AMD Radeon HD 7950 Monica BIOS 2 vs AMD Radeon Instinct MI6
Graphics Processor
| GPU model | Tahiti | Ellesmere |
|---|---|---|
| GPU variant | Tahiti PRO (215-0821056) | Ellesmere XT |
| Architecture | GCN 1.0 | GCN 4.0 |
| Foundry | TSMC | GlobalFoundries |
| Manufacturing process | 28 nm | 14 nm |
| Number of transistors | 4,313 million | 5,700 million |
| Die size | 352 mm² | 232 mm² |
Graphics Card
| Release date | Jan 31st, 2012 | Dec 12th, 2016 |
|---|---|---|
| Generation | Southern Islands | Radeon Instinct |
| Production | End-of-life | Active |
| Interface | PCIe 3.0 x16 | PCIe 3.0 x16 |
| Reviews | 118 in our database | — |
| Predecessor | Northern Islands | — |
| Successor | Sea Islands | — |
Clocks
| GPU clock | 800 MHz | — |
|---|---|---|
| Memory clock | 1250 MHz 5 Gbps effective | 1750 MHz 7 Gbps effective |
| Base clock | — | 1120 MHz |
| Boost clock | — | 1233 MHz |
Memory Configuration
| Memory size | 3 GB | 8 GB |
|---|---|---|
| Memory type | GDDR5 | GDDR5 |
| Memory bus width | 384 bit | 256 bit |
| Bandwidth | 240.0 GB/s | 224.0 GB/s |
Render Configuration
| Shading units | 768 | 2304 |
|---|---|---|
| TMUs | 48 | 144 |
| ROPs | 32 | 32 |
| Compute units | 12 | 36 |
| Cache L1 | 16 KB (per CU) | 16 KB (per CU) |
| Cache L2 | 768 KB | 2 MB |
Performance
| Pixel rate | 25.60 GPixel/s | 39.46 GPixel/s |
|---|---|---|
| Texture rate | 38.40 GTexel/s | 177.6 GTexel/s |
| FP32 (float) performance | 1,229 GFLOPS | 5.682 TFLOPS |
| FP64 (double) performance | 307.2 GFLOPS (1:4) | 355.1 GFLOPS (1:16) |
| FP16 (half) performance | — | 5.682 TFLOPS (1:1) |
Dimensions & Outputs
| Slot width | Dual-slot | Single-slot |
|---|---|---|
| Length | 267 mm 10.5 inches | 241 mm 9.5 inches |
| TDP | 85 W | 150 W |
| Suggested PSU | 250 W | 450 W |
| Outputs | 1x DVI1x HDMI2x mini-DisplayPort | No outputs |
| Power connectors | 1x 6-pin + 1x 8-pin | 1x 6-pin |
| Board number | C386 | D122 |
| Width | — | 111 mm 4.4 inches |
API Support & Features
| DirectX | 12 (11_1) | 12 (12_0) |
|---|---|---|
| OpenGL | 4.6 | 4.6 |
| OpenCL | 1.2 | 2.1 |
| Vulkan | 1.2 | 1.2 |
| Shader model | 5.1 | 6.4 |
