AMD Radeon RX 6600 vs NVIDIA GeForce GTX 970
Graphics Processor
| GPU model | Navi 23 | GM204 |
|---|---|---|
| GPU variant | Navi 23 XL (215-130000016) | GM204-200-A1 |
| Architecture | RDNA 2.0 | Maxwell 2.0 |
| Foundry | TSMC | TSMC |
| Manufacturing process | 7 nm | 28 nm |
| Number of transistors | 11,060 million | 5,200 million |
| Die size | 237 mm² | 398 mm² |
Graphics Card
| Release date | Oct 13th, 2021 | Sep 19th, 2014 |
|---|---|---|
| Generation | Navi II | GeForce 900 |
| Predecessor | Navi | GeForce 700 |
| Production | Active | End-of-life |
| Launch price | 329 USD | 329 USD |
| Interface | PCIe 4.0 x8 | PCIe 3.0 x16 |
| Successor | Navi III | GeForce 10 |
| Reviews | — | 111 in our database |
Clocks
| Base clock | 1626 MHz | 1050 MHz |
|---|---|---|
| Boost clock | 2491 MHz | 1178 MHz |
| Memory clock | 1750 MHz 14 Gbps effective | 1753 MHz 7 Gbps effective |
| Game clock | 2044 MHz | — |
Memory Configuration
| Memory size | 8 GB | 4 GB |
|---|---|---|
| Memory type | GDDR6 | GDDR5 |
| Memory bus width | 128 bit | 256 bit |
| Bandwidth | 224.0 GB/s | 224.4 GB/s |
Render Configuration
| Shading units | 1792 | 1664 |
|---|---|---|
| TMUs | 112 | 104 |
| ROPs | 64 | 56 |
| Compute units | 28 | — |
| RT cores | 28 | — |
| gpu.details.l0-cache | 32 KB per WGP | — |
| Cache L1 | 128 KB per Array | 48 KB (per SMM) |
| Cache L2 | 2 MB | 2 MB |
| gpu.details.l3-cache | 32 MB | — |
| SMM count | — | 13 |
Performance
| Pixel rate | 159.4 GPixel/s | 65.97 GPixel/s |
|---|---|---|
| Texture rate | 279.0 GTexel/s | 122.5 GTexel/s |
| FP16 (half) performance | 17.86 TFLOPS (2:1) | — |
| FP32 (float) performance | 8.928 TFLOPS | 3.920 TFLOPS |
| FP64 (double) performance | 558.0 GFLOPS (1:16) | 122.5 GFLOPS (1:32) |
Dimensions & Outputs
| Slot width | Dual-slot | Dual-slot |
|---|---|---|
| TDP | 132 W | 148 W |
| Suggested PSU | 300 W | 300 W |
| Outputs | 1x HDMI3x DisplayPort | 1x DVI1x HDMI3x DisplayPort |
| Power connectors | 1x 8-pin | 2x 6-pin |
| Length | 190 mm 7.5 inches | 267 mm 10.5 inches |
| Width | 110 mm 4.3 inches | 111 mm 4.4 inches |
| Height | 40 mm 1.6 inches | 40 mm 1.6 inches |
| Board number | — | PG401 |
API Support & Features
| DirectX | 12.0 Ultimate (12_2) | 12 (12_1) |
|---|---|---|
| OpenGL | 4.6 | 4.6 |
| OpenCL | 2.1 | 3.0 |
| Vulkan | 1.2 | 1.1 |
| Shader model | 6.5 | 6.4 |
| CUDA | — | 5.2 |
