AMD Radeon HD 7950 Mac Edition vs NVIDIA Quadro4 580 XGL
Graphics Processor
| GPU model | Tahiti | NV18 |
|---|---|---|
| GPU variant | Tahiti PRO (215-0821056) | — |
| Architecture | GCN 1.0 | Celsius |
| Foundry | TSMC | TSMC |
| Manufacturing process | 28 nm | 150 nm |
| Number of transistors | 4,313 million | 29 million |
| Die size | 352 mm² | 65 mm² |
Graphics Card
| Release date | Mar 7th, 2013 | Nov 12th, 2002 |
|---|---|---|
| Generation | Southern Islands | Quadro4 XGL |
| Production | End-of-life | End-of-life |
| Launch price | 449 USD | — |
| Interface | PCIe 3.0 x16 | AGP 8x |
| Reviews | 118 in our database | 26 in our database |
| Predecessor | Northern Islands | — |
| Successor | Sea Islands | — |
Clocks
| GPU clock | 800 MHz | 300 MHz |
|---|---|---|
| Memory clock | 1250 MHz 5 Gbps effective | 200 MHz 400 Mbps effective |
Memory Configuration
| Memory size | 3 GB | 64 MB |
|---|---|---|
| Memory type | GDDR5 | DDR |
| Memory bus width | 384 bit | 128 bit |
| Bandwidth | 240.0 GB/s | 6.400 GB/s |
Render Configuration
| Shading units | 1792 | — |
|---|---|---|
| TMUs | 112 | 4 |
| ROPs | 32 | 4 |
| Compute units | 28 | — |
| Cache L1 | 16 KB (per CU) | — |
| Cache L2 | 768 KB | — |
| Pixel shaders | — | 2 |
| Vertex shaders | — | 0 |
Performance
| Pixel rate | 25.60 GPixel/s | 1.200 GPixel/s |
|---|---|---|
| Texture rate | 89.60 GTexel/s | 1.200 GTexel/s |
| FP32 (float) performance | 2.867 TFLOPS | — |
| FP64 (double) performance | 716.8 GFLOPS (1:4) | — |
Dimensions & Outputs
| Slot width | Dual-slot | Single-slot |
|---|---|---|
| Length | 279 mm 11 inches | — |
| TDP | 200 W | unknown |
| Suggested PSU | 550 W | 200 W |
| Outputs | 1x DVI1x HDMI2x mini-DisplayPort | 1x LFH60 |
| Power connectors | 2x 6-pin | None |
| Board number | C381 | — |
API Support & Features
| DirectX | 12 (11_1) | 7.0 |
|---|---|---|
| OpenGL | 4.6 | 1.5 |
| OpenCL | 1.2 | — |
| Vulkan | 1.2 | — |
| Shader model | 5.1 | — |
| Pixel shader | — | 1.1 |
| Vertex shader | — | 1.1 |
