AMD Radeon HD 8670M vs NVIDIA GeForce GT 320 OEM
Graphics Processor
| GPU model | Mars | GT215 |
|---|---|---|
| GPU variant | Mars XT | GT215-250-A2 |
| Architecture | GCN 1.0 | Tesla 2.0 |
| Foundry | TSMC | TSMC |
| Manufacturing process | 28 nm | 40 nm |
| Number of transistors | 950 million | 727 million |
| Die size | 77 mm² | 144 mm² |
Mobile graphics
| Release date | Mar 1st, 2013 | — |
|---|---|---|
| Generation | Solar System (HD 8600M) | — |
| Production | End-of-life | — |
| Interface | PCIe 3.0 x8 | — |
| Predecessor | London | — |
| Successor | Crystal System | — |
Clocks
| Base clock | 775 MHz | — |
|---|---|---|
| Boost clock | 825 MHz | — |
| Memory clock | 900 MHz 1800 Mbps effective | 790 MHz 1580 Mbps effective |
| GPU clock | — | 540 MHz |
| Shader clock | — | 1302 MHz |
Memory Configuration
| Memory size | 1024 MB | 1024 MB |
|---|---|---|
| Memory type | DDR3 | GDDR3 |
| Memory bus width | 64 bit | 128 bit |
| Bandwidth | 14.40 GB/s | 25.28 GB/s |
Render Configuration
| Shading units | 384 | 72 |
|---|---|---|
| TMUs | 24 | 24 |
| ROPs | 8 | 8 |
| Compute units | 6 | — |
| Cache L1 | 16 KB (per CU) | — |
| Cache L2 | 128 KB | 64 KB |
| SM count | — | 9 |
Performance
| Pixel rate | 6.600 GPixel/s | 4.320 GPixel/s |
|---|---|---|
| Texture rate | 19.80 GTexel/s | 12.96 GTexel/s |
| FP32 (float) performance | 633.6 GFLOPS | 187.5 GFLOPS |
Dimensions & Outputs
| TDP | unknown | 43 W |
|---|---|---|
| Outputs | No outputs | 1x DVI1x HDMI1x VGA |
| Slot width | — | Single-slot |
| Length | — | 175 mm 6.9 inches |
| Suggested PSU | — | 200 W |
| Power connectors | — | None |
| Board number | — | P684 |
API Support & Features
| DirectX | 12 (11_1) | 11.1 (10_1) |
|---|---|---|
| OpenGL | 4.6 | 3.3 |
| OpenCL | 1.2 | 1.1 |
| Vulkan | 1.2 | — |
| Shader model | 5.1 | 4.1 |
| CUDA | — | 1.2 |
Other Features
Graphics Card
| Release date | — | Feb 2nd, 2010 |
|---|---|---|
| Generation | — | GeForce 300 |
| Production | — | End-of-life |
| Interface | — | PCIe 2.0 x16 |
| Predecessor | — | GeForce 200 |
| Successor | — | GeForce 400 |
