AMD FireStream 9170 vs AMD Radeon HD 7670M Rebrand
Graphics Processor
| GPU model | RV670 | Whistler |
|---|---|---|
| Architecture | TeraScale | TeraScale 2 |
| Foundry | TSMC | TSMC |
| Manufacturing process | 55 nm | 40 nm |
| Number of transistors | 666 million | 716 million |
| Die size | 192 mm² | 104 mm² |
| GPU variant | — | Whistler XT (216-0810001) |
Graphics Card
| Release date | Nov 8th, 2007 | — |
|---|---|---|
| Generation | FireStream | — |
| Production | End-of-life | — |
| Interface | PCIe 2.0 x16 | — |
Clocks
| GPU clock | 800 MHz | 600 MHz |
|---|---|---|
| Memory clock | 800 MHz 1600 Mbps effective | 900 MHz 1800 Mbps effective |
Memory Configuration
| Memory size | 2 GB | 1024 MB |
|---|---|---|
| Memory type | GDDR3 | GDDR3 |
| Memory bus width | 256 bit | 128 bit |
| Bandwidth | 51.20 GB/s | 28.80 GB/s |
Render Configuration
| Shading units | 320 | 480 |
|---|---|---|
| TMUs | 16 | 24 |
| ROPs | 16 | 16 |
| Compute units | 4 | 6 |
| Cache L2 | 256 KB | 256 KB |
| Cache L1 | — | 8 KB (per CU) |
Performance
| Pixel rate | 12.80 GPixel/s | 9.600 GPixel/s |
|---|---|---|
| Texture rate | 12.80 GTexel/s | 14.40 GTexel/s |
| FP32 (float) performance | 512.0 GFLOPS | 576.0 GFLOPS |
| FP64 (double) performance | 102.4 GFLOPS (1:5) | — |
Dimensions & Outputs
| Slot width | Dual-slot | — |
|---|---|---|
| Length | 241 mm 9.5 inches | — |
| Width | 111 mm 4.4 inches | — |
| TDP | 105 W | 20 W |
| Suggested PSU | 300 W | — |
| Outputs | 2x DVI1x S-Video | No outputs |
| Power connectors | 1x 6-pin | — |
API Support & Features
| DirectX | 10.1 (10_1) | 11.2 (11_0) |
|---|---|---|
| OpenGL | 3.3 (full) 4.0 (partial) | 4.4 |
| OpenCL | — | 1.2 |
| Vulkan | — | — |
| Shader model | 4.1 | 5.0 |
Other Features
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 |
