AMD Radeon HD 7670M Rebrand vs NVIDIA GRID K1
Graphics Processor
| GPU model | Whistler | GK107 |
|---|---|---|
| GPU variant | Whistler XT (216-0810001) | GK107-450-A2 |
| Architecture | TeraScale 2 | Kepler |
| Foundry | TSMC | TSMC |
| Manufacturing process | 40 nm | 28 nm |
| Number of transistors | 716 million | 1,270 million |
| Die size | 104 mm² | 118 mm² |
Mobile graphics
| Release date | Jul 1st, 2012 | — |
|---|---|---|
| Generation | London (HD 7600M) | — |
| Production | End-of-life | — |
| Interface | PCIe 2.0 x16 | — |
| Predecessor | Vancouver | — |
| Successor | Solar System | — |
Clocks
| GPU clock | 600 MHz | 850 MHz |
|---|---|---|
| Memory clock | 900 MHz 1800 Mbps effective | 891 MHz 1782 Mbps effective |
Memory Configuration
| Memory size | 1024 MB | 4 GB |
|---|---|---|
| Memory type | GDDR3 | DDR3 |
| Memory bus width | 128 bit | 128 bit |
| Bandwidth | 28.80 GB/s | 28.51 GB/s |
Render Configuration
| Shading units | 480 | 192 |
|---|---|---|
| TMUs | 24 | 16 |
| ROPs | 16 | 16 |
| Compute units | 6 | — |
| Cache L1 | 8 KB (per CU) | 16 KB (per SMX) |
| Cache L2 | 256 KB | 256 KB |
| SMX count | — | 1 |
Performance
| Pixel rate | 9.600 GPixel/s | 3.400 GPixel/s |
|---|---|---|
| Texture rate | 14.40 GTexel/s | 13.60 GTexel/s |
| FP32 (float) performance | 576.0 GFLOPS | 326.4 GFLOPS |
| FP64 (double) performance | — | 13.60 GFLOPS (1:24) |
Dimensions & Outputs
| TDP | 20 W | 130 W |
|---|---|---|
| Outputs | No outputs | No outputs |
| Slot width | — | Dual-slot |
| Length | — | 267 mm 10.5 inches |
| Suggested PSU | — | 300 W |
| Power connectors | — | 1x 6-pin |
| Board number | — | P2401 SKU 502 |
API Support & Features
| DirectX | 11.2 (11_0) | 12 (11_0) |
|---|---|---|
| OpenGL | 4.4 | 4.6 |
| OpenCL | 1.2 | 3.0 |
| Vulkan | — | 1.1 |
| Shader model | 5.0 | 5.1 |
| CUDA | — | 3.0 |
Other Features
Graphics Card
| Release date | — | Mar 18th, 2013 |
|---|---|---|
| Generation | — | GRID |
| Production | — | End-of-life |
| Launch price | — | 4,140 USD |
| Interface | — | PCIe 3.0 x16 |
