AMD Radeon RX 6600 vs AMD Radeon R9 390X
The Radeon RX 6600 has 77% better performance than the Radeon R9 390X for the 3DMark 11 Performance GPU benchmark.
The Radeon RX 6600 has 131% better value for the money than the Radeon R9 390X for the 3DMark 11 Performance GPU benchmark.
Summary
About the AMD Radeon RX 6600 GPU
The Radeon RX 6600 is a desktop graphics card by AMD. It launched in Q4 2021 with a suggested retail price of $329. Its Navi 23 chip that powers the GPU uses the RDNA 2.0 architecture and is fabricated on the 7 nm process.
This GPU is paired with 8 GB of GDDR6 VRAM. Its 1,750 MHz memory clock and 128 bit interface gives it a bandwidth of 224 Gb/s. This impacts how much data it can store, and how fast it transfers the data to and from memory.
The RX 6600 is a dual slot graphics card, taking up 2 PCIe slots. It supports HDMI 2.1, DisplayPort 1.4a display ports. This desktop card has a TDP of 132 W. AMD recommends using a power supply of at least 300 W with this card. A power supply lower than this might result in system crashes and potentially damage your hardware.
The Radeon RX 6600 has the 68th highest 3DMark 11 Performance GPU score among the 540 benchmarked GPUs in our database. It achieves 30.28% of the performance of the best benchmarked GPU, the NVIDIA GeForce RTX 4090. Its 31,774 score and $329 launch price (MSRP) gives it a performance per dollar of 96.58. This is the 17th best in value for the 3DMark 11 Performance GPU benchmark.
About the AMD Radeon R9 390X GPU
The Radeon R9 390X is an end-of-life desktop graphics card by AMD. It launched in Q2 2015 with a suggested retail price of $429. Its Grenada chip that powers the GPU uses the GCN 2.0 architecture and is fabricated on the 28 nm process.
This GPU is paired with 8 GB of GDDR5 VRAM. Its 1,500 MHz memory clock and 512 bit interface gives it a bandwidth of 384 Gb/s. This impacts how much data it can store, and how fast it transfers the data to and from memory.
The R9 390X is a dual slot graphics card, taking up 2 PCIe slots. It supports DVI, HDMI 1.4a, DisplayPort 1.2 display ports. This desktop card has a TDP of 275 W. AMD recommends using a power supply of at least 600 W with this card. A power supply lower than this might result in system crashes and potentially damage your hardware.
The Radeon R9 390X has the 121st highest 3DMark 11 Performance GPU score among the 540 benchmarked GPUs in our database. It achieves 17.10% of the performance of the best benchmarked GPU, the NVIDIA GeForce RTX 4090. Its 17,944 score and $429 launch price (MSRP) gives it a performance per dollar of 41.83. This is the 68th 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 R9 390X |
|---|---|---|
| Manufacturer | AMD | AMD |
| Architecture | RDNA 2.0 | GCN 2.0 |
| Market Segment | Desktop | Desktop |
| Release Date | Q4 2021 | Q2 2015 |
| Launch Price (MSRP) | $329 | $429 |
| Production Status | Active | End-of-life |
| 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
F1 24 | Radeon RX 6600 | Radeon R9 390X |
|---|---|---|
| Low - 1080p | 271 FPS | -- |
| Medium - 1080p | 228 FPS | -- |
| High - 1080p | 166 FPS | -- |
| Ultra - 1080p | 32 FPS | -- |
| QHD - 1440p | 20 FPS | -- |
| 4K UHD - 2160p | 10 FPS | -- |
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 3060 Ti | 22.2 | +134% |
| Arc A770 | 21.2 | +123% |
| GeForce RTX 2070 SUPER | 17 | +79% |
| Arc A750 | 16.8 | +77% |
| GeForce RTX 2060 SUPER | 13.9 | +46% |
| Radeon RX 6600 | 9.5 | |
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 A750 | 17.2 | -50% |
| GeForce RTX 3060 Ti | 17.97 | -48% |
| GeForce RTX 2060 SUPER | 28.71 | -17% |
| GeForce RTX 2070 SUPER | 29.35 | -15% |
| Radeon RX 6600 | 34.63 | |
Benchmark Performance
The Radeon RX 6600 has 77% better performance than the Radeon R9 390X for the 3DMark 11 Performance GPU benchmark.
The Radeon RX 6600 is ranked 68th with a score of 31,774, and the Radeon R9 390X is ranked 121st with a score of 17,944.
The Radeon RX 6600 has 131% better value for the money than the Radeon R9 390X for the 3DMark 11 Performance GPU benchmark.
The Radeon RX 6600 is ranked 17th with a performance per dollar of 96.58, and the Radeon R9 390X is ranked 68th with a performance per dollar of 41.83.
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 3060 Ti | 35,683 | +12% |
| GeForce RTX 2070 SUPER | 35,032 | +10% |
| Radeon RX 6600 | 31,774 | |
| Radeon RX 5700 | 31,470 | -1% |
| Radeon RX 5600 XT | 31,310 | -1% |
| Radeon RX 570 | 18,967 | -40% |
| GeForce GTX 1650 SUPER | 18,218 | -43% |
| Radeon R9 390X | 17,944 | -44% |
| Radeon RX 480 | 17,919 | -44% |
| Radeon RX 470 | 17,624.5 | -45% |
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 | 96.49 | -0% |
| GeForce GTX 1660 SUPER | 95.99 | -1% |
| GeForce GTX 1080 | 48.85 | -49% |
| GeForce GTX 970 | 48.73 | -50% |
| Radeon R9 390X | 41.83 | -57% |
| Radeon R9 280X | 36.09 | -63% |
| GeForce GTX 980 Ti | 35.53 | -63% |
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 R9 390X |
|---|---|---|
| 3DMark Time Spy Graphics | 8,092 | -- |
| 3DMark Time Spy Score | 8,688 | -- |
| 3DMark Cloud Gate Graphics | 145,870 (+96.19%) | 74,351 |
| 3DMark Fire Strike Standard Graphics | 23,366 (+88.6%) | 12,389 |
| 3DMark Night Raid Graphics | 98,547.5 | -- |
| 3DMark 11 Performance Score | 28,640.5 (+99.91%) | 14,327 |
| Cinebench R15 OpenGL 64 Bit | -- | 130.9 |
| PassMark G3D Mark | 15,134 (+60.32%) | 9,440 |
| PassMark G2D Mark | 862 (+4.36%) | 826 |
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 R9 390X |
|---|---|---|
| Codename | Navi 23 | Grenada |
| Architecture | RDNA 2.0 | GCN 2.0 |
| Process Size | 7 nm | 28 nm |
| Transistors | 11,060 million | 6,200 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 R9 390X |
|---|---|---|
| Memory Size | 8 GB | 8 GB |
| Memory Type | GDDR6 | GDDR5 |
| Memory Bandwidth | 224 Gb/s | 384 Gb/s |
| Memory Clock | 1,750 MHz | 1,500 MHz |
| Memory Interface | 128 bit | 512 bit |
| L1 Cache | 128 KB | 16 KB |
| L2 Cache | 2 MB | 1,024 KB |
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 R9 390X |
|---|---|---|
| Slots | 2 slots | 2 slots |
| Bus Interface | PCIe 4.0 x8 | PCIe 3.0 x16 |
| Thermal Design Power (TDP) | 132 W | 275 W |
| Suggested PSU | 300 W | 600 W |
| Power Connectors | 1x 8-pin | 1x 6-pin + 1x 8-pin |
| Outputs | HDMI 2.1, DisplayPort 1.4a | DVI, HDMI 1.4a, DisplayPort 1.2 |
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 R9 390X |
|---|---|---|
| Stream Processors (SP) | 1,792 | 2,816 |
| Compute Units (CU) | 28 | 44 |
| Texture Mapping Units (TMU) | 112 | 176 |
| Render Output Units (ROP) | 64 | 64 |
| Ray Tracing Cores | 28 | -- |
| Core Clock Speed | 1,626 MHz | 1,050 MHz |
| Core Clock Speed (Boost) | 2,491 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 R9 390X |
|---|---|---|
| Pixel Fill Rate | 159.4 GPixel/s | 67.2 GPixel/s |
| Texture Fill Rate | 279 GTexel/s | 184.8 GTexel/s |
| FP32 Performance | 8.93 TFLOPS | 5.91 TFLOPS |
| FP64 Performance | 558 GFLOPS | 739.2 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 R9 390X |
|---|---|---|
| DirectX | 12 Ultimate (12_2) | 12 (12_0) |
| OpenCL | 2.1 | 2.1 |
| OpenGL | 4.6 | 4.6 |
| Shader Model | 6.7 | 6.5 |
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* Performance rating, performance per dollar, and rankings are based on the 3DMark 11 Performance GPU benchmark and MSRP.