AMD Radeon HD 7950 Mac Edition vs AMD Radeon R9 370
Graphics Processor
| GPU model | Tahiti | Trinidad |
|---|---|---|
| GPU variant | Tahiti PRO (215-0821056) | Trinidad PRO (215-0870020) |
| Architecture | GCN 1.0 | GCN 1.0 |
| Foundry | TSMC | TSMC |
| Manufacturing process | 28 nm | 28 nm |
| Number of transistors | 4,313 million | 2,800 million |
| Die size | 352 mm² | 212 mm² |
Graphics Card
| Release date | Mar 7th, 2013 | May 5th, 2015 |
|---|---|---|
| Generation | Southern Islands | Pirate Islands |
| Production | End-of-life | End-of-life |
| Launch price | 449 USD | — |
| Interface | PCIe 3.0 x16 | PCIe 3.0 x16 |
| Reviews | 118 in our database | — |
| Predecessor | Northern Islands | Volcanic Islands |
| Successor | Sea Islands | Arctic Islands |
Clocks
| GPU clock | 800 MHz | — |
|---|---|---|
| Memory clock | 1250 MHz 5 Gbps effective | 1400 MHz 5.6 Gbps effective |
| Base clock | — | 925 MHz |
| Boost clock | — | 975 MHz |
Memory Configuration
| Memory size | 3 GB | 2 GB |
|---|---|---|
| Memory type | GDDR5 | GDDR5 |
| Memory bus width | 384 bit | 256 bit |
| Bandwidth | 240.0 GB/s | 179.2 GB/s |
Render Configuration
| Shading units | 1792 | 1280 |
|---|---|---|
| TMUs | 112 | 80 |
| ROPs | 32 | 32 |
| Compute units | 28 | 24 |
| Cache L1 | 16 KB (per CU) | 16 KB (per CU) |
| Cache L2 | 768 KB | 512 KB |
Performance
| Pixel rate | 25.60 GPixel/s | 31.20 GPixel/s |
|---|---|---|
| Texture rate | 89.60 GTexel/s | 78.00 GTexel/s |
| FP32 (float) performance | 2.867 TFLOPS | 2.496 TFLOPS |
| FP64 (double) performance | 716.8 GFLOPS (1:4) | 156.0 GFLOPS (1:16) |
Dimensions & Outputs
| Slot width | Dual-slot | Dual-slot |
|---|---|---|
| Length | 279 mm 11 inches | 221 mm 8.7 inches |
| TDP | 200 W | 110 W |
| Suggested PSU | 550 W | 300 W |
| Outputs | 1x DVI1x HDMI2x mini-DisplayPort | 2x DVI1x HDMI1x DisplayPort |
| Power connectors | 2x 6-pin | 1x 6-pin |
| Board number | C381 | — |
| Width | — | 111 mm 4.4 inches |
API Support & Features
| DirectX | 12 (11_1) | 12 (11_1) |
|---|---|---|
| OpenGL | 4.6 | 4.6 |
| OpenCL | 1.2 | 1.2 |
| Vulkan | 1.2 | 1.2 |
| Shader model | 5.1 | 5.1 |
