AMD Radeon RX 7900 XT vs NVIDIA GeForce 8800 GTS 640
Graphics Processor
| GPU model | Navi 31 | G80 |
|---|---|---|
| GPU variant | Navi 31 XTX | G80-100-K0-A2 |
| Architecture | RDNA 3.0 | Tesla |
| Foundry | TSMC | TSMC |
| Manufacturing process | 5 nm | 90 nm |
| Number of transistors | unknown | 681 million |
| Die size | unknown | 484 mm² |
Graphics Card
| Release date | 2022 | Nov 8th, 2006 |
|---|---|---|
| Generation | Navi III | GeForce 8 |
| Production | Unreleased | End-of-life |
| Interface | PCIe 4.0 x16 | PCIe 1.0 x16 |
| Predecessor | Navi II | GeForce 7 PCIe |
| Launch price | — | 449 USD |
| Reviews | — | 403 in our database |
| Successor | — | GeForce 9 |
Clocks
| Base clock | 1800 MHz | — |
|---|---|---|
| Game clock | 1900 MHz | — |
| Boost clock | 2000 MHz | — |
| Memory clock | 2250 MHz 18 Gbps effective | 792 MHz 1584 Mbps effective |
| GPU clock | — | 513 MHz |
| Shader clock | — | 1188 MHz |
Memory Configuration
| Memory size | 16 GB | 640 MB |
|---|---|---|
| Memory type | GDDR6 | GDDR3 |
| Memory bus width | 256 bit | 320 bit |
| Bandwidth | 576.0 GB/s | 63.36 GB/s |
Render Configuration
| Shading units | 15360 | 96 |
|---|---|---|
| TMUs | 960 | 24 |
| ROPs | 256 | 20 |
| Compute units | 240 | — |
| RT cores | 240 | — |
| gpu.details.l0-cache | 32 KB per WGP | — |
| Cache L1 | 128 KB per Array | — |
| Cache L2 | 4 MB | 80 KB |
| gpu.details.l3-cache | 512 MB | — |
| SM count | — | 12 |
Performance
| Pixel rate | 512.0 GPixel/s | 10.26 GPixel/s |
|---|---|---|
| Texture rate | 1,920 GTexel/s | 24.62 GTexel/s |
| FP16 (half) performance | 122.9 TFLOPS (2:1) | — |
| FP32 (float) performance | 61.44 TFLOPS | 228.1 GFLOPS |
| FP64 (double) performance | 3.840 TFLOPS (1:16) | — |
Dimensions & Outputs
| Slot width | Dual-slot | Dual-slot |
|---|---|---|
| Length | 267 mm 10.5 inches | 267 mm 10.5 inches |
| Width | 135 mm 5.3 inches | — |
| Height | 50 mm 2 inches | — |
| TDP | 350 W | 143 W |
| Suggested PSU | 750 W | 300 W |
| Outputs | 1x HDMI3x DisplayPort | 2x DVI1x S-Video |
| Power connectors | 2x 8-pin | 1x 6-pin |
| Part number | — | — |
| Board number | — | P356 |
API Support & Features
| DirectX | 12 Ultimate (12_2) | 11.1 (10_0) |
|---|---|---|
| OpenGL | 4.6 | 3.3 |
| OpenCL | 2.1 | 1.1 (1.0) |
| Vulkan | 1.2 | — |
| Shader model | 6.5 | 4.0 |
| CUDA | — | 1.0 |
