AMD Radeon RX 6600M vs AMD Radeon RX 7900 GRE
The Radeon RX 7900 GRE has 111% better performance than the Radeon RX 6600M for the 3DMark 11 Performance GPU benchmark.
The Radeon RX 7900 GRE has 74% of the performance per dollar compared to the leader for the 3DMark 11 Performance GPU benchmark: AMD Radeon RX 9070 XT.
Summary
About the AMD Radeon RX 6600M GPU
The AMD Radeon RX 6600M is a mobile graphics card that launched in Q2 2021. It is built on the RDNA 2.0 GPU microarchitecture (codename Navi 23) and is manufactured on a 7 nm process.
Memory
The RX 6600M has 8 GB of GDDR6 memory, with a 1,750 MHz memory clock and a 128 bit interface. This gives it a memory bandwidth of 224 Gb/s, which affects how fast it can transfer data to and from memory. GPU memory stores temporary data that helps the GPU with complex math and graphics operations. More memory is generally better, as not having enough can cause performance bottlenecks.
Cores and Clock Speeds
The RX 6600M includes 1,792 stream processors (SPs), the processing units for handling parallel computing tasks. The GPU operates at a core clock speed of 2,068 MHz and can dynamically boost its clock speed up to 2,416 MHz. It usually operates at 2,177 MHz during typical gaming workloads. Complementing the processing units are 112 texture mapping units (TMUs) for efficient texture filtering and 64 render output units (ROPs) for pixel processing. Additionally, the GPU features 28 ray accelerators dedicated to real-time ray tracing calculations.
Compatibility & Power Consumption
The GPU has a thermal design power (TDP) of 100 W. A power supply not strong enough to handle this might result in system crashes and potentially damage your hardware.
Benchmark Performance
The RX 6600M has the 84th best 3DMark 11 Performance GPU score among the 567 benchmarked GPUs in our database. It achieves 24.56% of the performance of the best benchmarked GPU, the NVIDIA GeForce RTX 5090.
About the AMD Radeon RX 7900 GRE GPU
The AMD Radeon RX 7900 GRE is a desktop graphics card that launched in Q3 2023 with a MSRP of $549. It is built on the RDNA 3.0 GPU microarchitecture (codename Navi 31) and is manufactured on a 5 nm process.
Memory
The RX 7900 GRE has 16 GB of GDDR6 memory, with a 2,250 MHz memory clock and a 256 bit interface. This gives it a memory bandwidth of 576 Gb/s, which affects how fast it can transfer data to and from memory. GPU memory stores temporary data that helps the GPU with complex math and graphics operations. More memory is generally better, as not having enough can cause performance bottlenecks.
Cores and Clock Speeds
The RX 7900 GRE includes 5,120 stream processors (SPs), the processing units for handling parallel computing tasks. The GPU operates at a core clock speed of 1,287 MHz and can dynamically boost its clock speed up to 2,245 MHz. It usually operates at 1,880 MHz during typical gaming workloads. Complementing the processing units are 320 texture mapping units (TMUs) for efficient texture filtering and 160 render output units (ROPs) for pixel processing. Additionally, the GPU features 160 AI accelerators optimized for AI workloads and 80 ray accelerators dedicated to real-time ray tracing calculations.
Compatibility & Power Consumption
The RX 7900 GRE occupies 2 PCIe expansion slots. It supports HDMI 2.1a, DisplayPort 2.1, USB Type-C display connections. AMD recommends a power supply of at least 600 W to handle the GPU's thermal design power (TDP) of 260 W.
Benchmark Performance & Value
The RX 7900 GRE has the 19th best 3DMark 11 Performance GPU score among the 567 benchmarked GPUs in our database. It achieves 51.73% of the performance of the best benchmarked GPU, the NVIDIA GeForce RTX 5090. Its 67,134 score and $549 launch price (MSRP) gives it a performance per dollar of 122.28. This is the 11th best in value for the 3DMark 11 Performance GPU benchmark.
General Info
General overview of the GPU, including details like its manufacturer, release date, launch price, and current production status.
| Info | Radeon RX 6600M | Radeon RX 7900 GRE |
|---|---|---|
| Manufacturer | AMD | AMD |
| Architecture | RDNA 2.0 | RDNA 3.0 |
| Market Segment | Mobile | Desktop |
| Release Date | Q2 2021 | Q3 2023 |
| Launch Price (MSRP) | -- | $549 |
| Production Status | Active | Active |
| Shop | Check Price | Check Price |
Gaming Performance
Select a game to compare FPS metrics
FPS Benchmarks
This table showcases the average frame rate (FPS) achieved both GPUs in at various resolutions. Frame rate is a crucial indicator of how smoothly the GPU can run the game. A higher FPS generally translates to a smoother gameplay experience.
- Frames Per Second
Sons of the Forest | Radeon RX 6600M | Radeon RX 7900 GRE |
|---|---|---|
| Low - 1080p | 78 FPS | 117 FPS(+50%) |
| Medium - 1080p | 74 FPS | 113 FPS(+52.7%) |
| High - 1080p | 71 FPS | 110 FPS(+54.93%) |
| Ultra - 1080p | 69 FPS | 108 FPS(+56.52%) |
| QHD - 1440p | 50 FPS | 106 FPS(+112%) |
| 4K UHD - 2160p | 27 FPS | 77 FPS(+185.19%) |
Compare Frames Per Second (FPS)
The average frame rate (FPS) in can be compared to similar GPUs to assess relative performance. Generally, higher FPS results in a smoother gameplay experience.
| GPU | Frames Per Second | |
|---|---|---|
| GeForce RTX 4070 Ti | 82.7 | +206% |
| Radeon RX 6950 XT | 77.6 | +187% |
| Radeon RX 7900 GRE | 77 | +185% |
| GeForce RTX 3090 | 75 | +178% |
| Radeon RX 7800 XT | 70 | +159% |
| GeForce RTX 3070 Mobile | 35 | +30% |
| GeForce RTX 3060 Mobile | 31.9 | +18% |
| Radeon RX 6600M | 27 | |
| Radeon RX 7600M | 26.1 | -3% |
| GeForce RTX 4050 Mobile | 24.5 | -9% |
Compare Cost Per Frame
The average cost per frame in can be compared to similar GPUs to assess relative value. Generally, a lower cost per frame implies better value for your money.
| GPU | Cost Per Frame | |
|---|---|---|
| Arc B580 | 6.32 | -11% |
| Radeon RX 7800 XT | 7.13 | +-0% |
| Radeon RX 7900 GRE | 7.13 | |
| Radeon RX 7700 XT | 7.61 | +7% |
| GeForce RTX 4060 | 7.83 | +10% |
| GeForce RTX 4060 Ti (8 GB) | 7.98 | +12% |
| GeForce RTX 4060 Ti (16 GB) | 9.65 | +35% |
| GeForce RTX 4070 Ti | 9.66 | +36% |
| Radeon RX 7900 XTX | 9.7 | +36% |
| GeForce RTX 4080 SUPER | 9.7 | +36% |
Benchmark Performance
The Radeon RX 7900 GRE has 111% better performance than the Radeon RX 6600M for the 3DMark 11 Performance GPU benchmark.
The Radeon RX 6600M is ranked 84th with a score of 31,868, and the Radeon RX 7900 GRE is ranked 19th with a score of 67,134.
The Radeon RX 7900 GRE has 188% of the performance per dollar compared to the leader for the 3DMark 11 Performance GPU benchmark: NVIDIA GeForce RTX 5090.
Radeon RX 7900 GRE's 122.28 performance per dollar ranks it 0th among the other benchmarked GPUs in our database.
Relative Performance
The average score in the benchmark test can be compared to similar GPUs to assess relative performance. Generally, powerful GPUs tend to have higher scores.
| GPU | Benchmark Performance | |
|---|---|---|
| GeForce RTX 3090 Ti | 69,481 | +118% |
| GeForce RTX 4070 SUPER | 68,373 | +115% |
| Radeon RX 7900 GRE | 67,134 | +111% |
| Radeon RX 7800 XT | 65,610.5 | +106% |
| GeForce RTX 3090 | 61,569 | +93% |
| Radeon RX 6650M | 32,846 | +3% |
| Radeon RX 6700S | 32,662 | +2% |
| Radeon RX 6600M | 31,868 | |
| GeForce RTX 4050 Mobile | 30,309 | -5% |
| RTX 2000 Ada Generation Mobile | 30,262 | -5% |
Relative Value For Money
The average performance per dollar in the benchmark test can be compared to similar GPUs to assess relative value. A higher score implies a better value for your money.
| GPU | Performance Per Dollar | |
|---|---|---|
| Arc B580 | 153.65 | +26% |
| Radeon RX 7800 XT | 131.48 | +8% |
| GeForce RTX 5070 | 130.5 | +7% |
| Radeon RX 7700 XT | 127.71 | +4% |
| GeForce RTX 4060 | 126.34 | +3% |
| Radeon RX 7900 GRE | 122.28 | |
| GeForce RTX 5060 Ti (16 GB) | 119.81 | -2% |
| GeForce RTX 4060 Ti (8 GB) | 119.81 | -2% |
| GeForce RTX 5070 Ti | 114.57 | -6% |
| GeForce RTX 4070 SUPER | 114.15 | -7% |
Benchmark Scores
This table showcases the average performance scores achieved by both GPUs across industry-standard benchmark tests. These scores provide a valuable insight into overall performance. Powerful GPUs tend to have higher scores.
- Popular
| Benchmark | Radeon RX 6600M | Radeon RX 7900 GRE |
|---|---|---|
| 3DMark Time Spy Graphics | 7,840 | 20,658.5 (+163.5%) |
| 3DMark Time Spy Score | 8,094 | 19,036.5 (+135.19%) |
| 3DMark Cloud Gate Graphics | 144,612 | 247,366 (+71.05%) |
| 3DMark Fire Strike Standard Graphics | 23,525 | 54,609.5 (+132.13%) |
| 3DMark Night Raid Graphics | 97,341 | 190,128 (+95.32%) |
| 3DMark 11 Performance Score | 25,585 | 45,225 (+76.76%) |
| Cinebench R15 OpenGL 64 Bit | 179.6 | 356.9 (+98.72%) |
| PassMark G3D Mark | 13,971 | 27,065 (+93.72%) |
| PassMark G2D Mark | 729 | 1,162 (+59.4%) |
Technical Specs
Graphics Processor
General information about the graphics processing unit like their architecture, manufacturing process size, and transistor count. Newer GPU architectures generally bring efficiency improvements and may introduce technologies that enhance graphical capabilities.
| Spec | Radeon RX 6600M | Radeon RX 7900 GRE |
|---|---|---|
| Codename | Navi 23 | Navi 31 |
| Architecture | RDNA 2.0 | RDNA 3.0 |
| Process Size | 7 nm | 5 nm |
| Transistors | 11,060 million | 57,700 million |
Memory Details
Memory specifications like their capacity, bandwidth, and clock speeds. GPU memory stores graphics data like frames, textures, and shadows which helps display rendered images. These specs are crucial for graphics-intense applications like gaming and 3D modeling.
| Spec | Radeon RX 6600M | Radeon RX 7900 GRE |
|---|---|---|
| Memory Size | 8 GB | 16 GB |
| Memory Type | GDDR6 | GDDR6 |
| Memory Bandwidth | 224 Gb/s | 576 Gb/s |
| Memory Clock | 1,750 MHz | 2,250 MHz |
| Memory Interface | 128 bit | 256 bit |
| L1 Cache | 128 KB | 256 KB |
| L2 Cache | 2 MB | 6 MB |
Board Compatibility
Compatibility information like their slot size, bus interface, power consumption, and display support. These specs are useful for verifying compatibility with your motherboard, power supply, and monitor.
| Spec | Radeon RX 6600M | Radeon RX 7900 GRE |
|---|---|---|
| Slots | -- | 2 slots |
| Bus Interface | PCIe 4.0 x8 | PCIe 4.0 x16 |
| Thermal Design Power (TDP) | 100 W | 260 W |
| Suggested PSU | -- | 600 W |
| Power Connectors | -- | 2x 8-pin |
| Outputs | Device Dependent | HDMI 2.1a, DisplayPort 2.1, USB Type-C |
Cores & Clock Speeds
Processing power information like its cores and clock speed. These specs impact how fast they can process graphics. Each type of core or component serves a specific computational purpose.
| Spec | Radeon RX 6600M | Radeon RX 7900 GRE |
|---|---|---|
| Stream Processors (SP) | 1,792 | 5,120 |
| Compute Units (CU) | 28 | 80 |
| Texture Mapping Units (TMU) | 112 | 320 |
| Render Output Units (ROP) | 64 | 160 |
| AI Accelerators | -- | 160 |
| Ray Accelerators | 28 | 80 |
| Core Clock Speed | 2,068 MHz | 1,287 MHz |
| Core Clock Speed (Boost) | 2,416 MHz | 2,245 MHz |
| Core Clock Speed (Game) | 2,177 MHz | 1,880 MHz |
Theoretical Performance
Theoretical performance numbers derived from the raw specifications of the different components like core count and clock speeds. While these provide a glimpse into peak processing power, they do not represent real-world performance.
| Spec | Radeon RX 6600M | Radeon RX 7900 GRE |
|---|---|---|
| Pixel Fill Rate | 154.6 GPixel/s | 359.2 GPixel/s |
| Texture Fill Rate | 270.6 GTexel/s | 718.4 GTexel/s |
| FP32 Performance | 8.66 TFLOPS | 45.98 TFLOPS |
| FP64 Performance | 541.2 GFLOPS | 1,436.8 GFLOPS |
API Support
Graphics API versions supported by these graphics cards. APIs evolve over time, introducing new features and functionalities. Older GPUs may not support recent versions.
| Spec | Radeon RX 6600M | Radeon RX 7900 GRE |
|---|---|---|
| DirectX | 12 Ultimate (12_2) | 12 Ultimate (12_2) |
| OpenCL | 2.1 | 2.2 |
| OpenGL | 4.6 | 4.6 |
| Shader Model | 6.8 | 6.8 |
Check out these comparisons for similar GPUs:
Looking for alternatives? Check out these similar GPUs:
* Performance rating, performance per dollar, and rankings are based on the 3DMark 11 Performance GPU benchmark and MSRP.