AMD Radeon RX 6600 vs AMD Radeon RX 6900 XT
The Radeon RX 6900 XT has 86% better performance than the Radeon RX 6600 for the 3DMark 11 Performance GPU benchmark.
The Radeon RX 6600 has 63% better value for the money than the Radeon RX 6900 XT for the 3DMark 11 Performance GPU benchmark.
Summary
About the AMD Radeon RX 6600 GPU
The AMD Radeon RX 6600 is a desktop graphics card that launched in Q4 2021 with a MSRP of $329. It is built on the RDNA 2.0 GPU microarchitecture (codename Navi 23) and is manufactured on a 7 nm process.
Memory
The RX 6600 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 6600 includes 1,792 stream processors (SPs), the processing units for handling parallel computing tasks. The GPU operates at a core clock speed of 1,626 MHz and can dynamically boost its clock speed up to 2,491 MHz. It usually operates at 2,044 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 RX 6600 occupies 2 PCIe expansion slots. It supports HDMI 2.1, DisplayPort 1.4a display connections. AMD recommends a power supply of at least 300 W to handle the GPU's thermal design power (TDP) of 132 W.
Benchmark Performance & Value
The RX 6600 has the 85th best 3DMark 11 Performance GPU score among the 567 benchmarked GPUs in our database. It achieves 24.48% of the performance of the best benchmarked GPU, the NVIDIA GeForce RTX 5090. Its 31,774 score and $329 launch price (MSRP) gives it a performance per dollar of 96.58. This is the 27th best in value for the 3DMark 11 Performance GPU benchmark.
About the AMD Radeon RX 6900 XT GPU
The AMD Radeon RX 6900 XT is a desktop graphics card that launched in Q4 2020 with a MSRP of $999. It is built on the RDNA 2.0 GPU microarchitecture (codename Navi 21) and is manufactured on a 7 nm process.
Memory
The RX 6900 XT has 16 GB of GDDR6 memory, with a 2,000 MHz memory clock and a 256 bit interface. This gives it a memory bandwidth of 512 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 6900 XT includes 5,120 stream processors (SPs), the processing units for handling parallel computing tasks. The GPU operates at a core clock speed of 1,825 MHz and can dynamically boost its clock speed up to 2,250 MHz. It usually operates at 2,015 MHz during typical gaming workloads. Complementing the processing units are 320 texture mapping units (TMUs) for efficient texture filtering and 128 render output units (ROPs) for pixel processing. Additionally, the GPU features 80 ray accelerators dedicated to real-time ray tracing calculations.
Compatibility & Power Consumption
The RX 6900 XT is a large graphics card, occupying 3 PCIe 4.0 x16 expansion slots. It supports HDMI 2.1, DisplayPort 1.4a, USB Type-C display connections. With a thermal design power (TDP) of 300 W and a large, 3-slot size, it is recommended to use a power supply of 700 W and a case with sufficient space to accommodate the card. Compare your card's model and your case's dimensions to verify compatibility.
Benchmark Performance & Value
The RX 6900 XT has the 26th best 3DMark 11 Performance GPU score among the 567 benchmarked GPUs in our database. It achieves 45.56% of the performance of the best benchmarked GPU, the NVIDIA GeForce RTX 5090. Its 59,119 score and $999 launch price (MSRP) gives it a performance per dollar of 59.18. This is the 66th 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 6600 | Radeon RX 6900 XT |
|---|---|---|
| Manufacturer | AMD | AMD |
| Architecture | RDNA 2.0 | RDNA 2.0 |
| Market Segment | Desktop | Desktop |
| Release Date | Q4 2021 | Q4 2020 |
| Launch Price (MSRP) | $329 | $999 |
| 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
God of War Ragnarök | Radeon RX 6600 | Radeon RX 6900 XT |
|---|---|---|
| Low - 1080p | 105 FPS | -- |
| Medium - 1080p | 86 FPS | -- |
| High - 1080p | 72 FPS | -- |
| Ultra - 1080p | 65 FPS | -- |
| QHD - 1440p | 48 FPS | -- |
| 4K UHD - 2160p | -- | -- |
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 4060 | 70 | +45% |
| Arc B580 | 62.8 | +30% |
| GeForce RTX 3060 | 61 | +26% |
| Arc A770 | 58.8 | +21% |
| GeForce RTX 2060 SUPER | 51.3 | +6% |
| Radeon RX 6600 | 48.4 | |
| GeForce GTX 1660 SUPER | 31.8 | -34% |
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 | 3.96 | -42% |
| GeForce RTX 4060 | 4.27 | -37% |
| GeForce RTX 3060 Ti | 5.06 | -26% |
| GeForce RTX 3060 | 5.39 | -21% |
| Arc A770 | 5.6 | -18% |
| Radeon RX 6600 | 6.8 | |
| GeForce GTX 1660 SUPER | 7.2 | +6% |
| GeForce RTX 2060 SUPER | 7.78 | +14% |
Benchmark Performance
The Radeon RX 6900 XT has 86% better performance than the Radeon RX 6600 for the 3DMark 11 Performance GPU benchmark.
The Radeon RX 6600 is ranked 85th with a score of 31,774, and the Radeon RX 6900 XT is ranked 26th with a score of 59,119.
The Radeon RX 6600 has 63% better value for the money than the Radeon RX 6900 XT for the 3DMark 11 Performance GPU benchmark.
The Radeon RX 6600 is ranked 27th with a performance per dollar of 96.58, and the Radeon RX 6900 XT is ranked 66th with a performance per dollar of 59.18.
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 3080 Ti | 60,980 | +92% |
| GeForce RTX 4070 | 59,986 | +89% |
| Radeon RX 6900 XT | 59,119 | +86% |
| Radeon RX 6800 | 57,784 | +82% |
| Radeon RX 7700 XT | 57,340 | +80% |
| Radeon RX 5700 XT | 35,822.5 | +13% |
| GeForce RTX 2070 SUPER | 34,963.5 | +10% |
| Radeon RX 6600 | 31,774 | |
| Radeon RX 5700 | 31,470 | -1% |
| Radeon RX 5600 XT | 31,310 | -1% |
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 | |
|---|---|---|
| Radeon RX 5600 XT | 112.22 | +16% |
| Radeon RX 6600 XT | 103.04 | +7% |
| Radeon RX 6600 | 96.58 | |
| GeForce GTX 1660 | 96.18 | -0% |
| GeForce GTX 1660 SUPER | 95.98 | -1% |
| Radeon RX 6950 XT | 67.31 | -30% |
| GeForce RTX 4090 | 65.37 | -32% |
| Radeon RX 6900 XT | 59.18 | -39% |
| GeForce RTX 2080 SUPER | 58.6 | -39% |
| GeForce RTX 2080 | 57.62 | -40% |
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 6600 | Radeon RX 6900 XT |
|---|---|---|
| 3DMark Time Spy Graphics | 7,979 | 18,210 (+128.22%) |
| 3DMark Time Spy Score | 8,688 | 17,549 (+101.99%) |
| 3DMark Cloud Gate Graphics | 140,716 | -- |
| 3DMark Fire Strike Standard Graphics | 23,366 | 50,587 (+116.5%) |
| 3DMark Night Raid Graphics | 102,026 | 160,895 (+57.7%) |
| 3DMark 11 Performance Score | 29,251.5 | 42,418 (+45.01%) |
| PassMark G3D Mark | 15,103 | 26,752 (+77.13%) |
| PassMark G2D Mark | 876 | 1,050 (+19.86%) |
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 6600 | Radeon RX 6900 XT |
|---|---|---|
| Codename | Navi 23 | Navi 21 |
| Architecture | RDNA 2.0 | RDNA 2.0 |
| Process Size | 7 nm | 7 nm |
| Transistors | 11,060 million | 26,800 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 6600 | Radeon RX 6900 XT |
|---|---|---|
| Memory Size | 8 GB | 16 GB |
| Memory Type | GDDR6 | GDDR6 |
| Memory Bandwidth | 224 Gb/s | 512 Gb/s |
| Memory Clock | 1,750 MHz | 2,000 MHz |
| Memory Interface | 128 bit | 256 bit |
| L1 Cache | 128 KB | 128 KB |
| L2 Cache | 2 MB | 4 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 6600 | Radeon RX 6900 XT |
|---|---|---|
| Slots | 2 slots | 3 slots |
| Bus Interface | PCIe 4.0 x8 | PCIe 4.0 x16 |
| Thermal Design Power (TDP) | 132 W | 300 W |
| Suggested PSU | 300 W | 700 W |
| Power Connectors | 1x 8-pin | 2x 8-pin |
| Outputs | HDMI 2.1, DisplayPort 1.4a | HDMI 2.1, DisplayPort 1.4a, 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 6600 | Radeon RX 6900 XT |
|---|---|---|
| Stream Processors (SP) | 1,792 | 5,120 |
| Compute Units (CU) | 28 | 80 |
| Texture Mapping Units (TMU) | 112 | 320 |
| Render Output Units (ROP) | 64 | 128 |
| Ray Accelerators | 28 | 80 |
| Core Clock Speed | 1,626 MHz | 1,825 MHz |
| Core Clock Speed (Boost) | 2,491 MHz | 2,250 MHz |
| Core Clock Speed (Game) | 2,044 MHz | 2,015 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 6600 | Radeon RX 6900 XT |
|---|---|---|
| Pixel Fill Rate | 159.4 GPixel/s | 288 GPixel/s |
| Texture Fill Rate | 279 GTexel/s | 720 GTexel/s |
| FP32 Performance | 8.93 TFLOPS | 23.04 TFLOPS |
| FP64 Performance | 558 GFLOPS | 1,440 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 6600 | Radeon RX 6900 XT |
|---|---|---|
| DirectX | 12 Ultimate (12_2) | 12 Ultimate (12_2) |
| OpenCL | 2.1 | 2.1 |
| OpenGL | 4.6 | 4.6 |
| Shader Model | 6.8 | 6.8 |
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* Performance rating, performance per dollar, and rankings are based on the 3DMark 11 Performance GPU benchmark and MSRP.