AMD Radeon HD 8670M vs Intel HD Graphics P4000
Graphics Processor
| GPU model | Mars | Ivy Bridge GT2 |
|---|---|---|
| GPU variant | Mars XT | — |
| Architecture | GCN 1.0 | Generation 7.0 |
| Foundry | TSMC | Intel |
| Manufacturing process | 28 nm | 22 nm |
| Number of transistors | 950 million | 1,200 million |
| Die size | 77 mm² | 133 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 | 650 MHz |
|---|---|---|
| Boost clock | 825 MHz | 1250 MHz |
| Memory clock | 900 MHz 1800 Mbps effective | System Shared |
Memory Configuration
| Memory size | 1024 MB | System Shared |
|---|---|---|
| Memory type | DDR3 | System Shared |
| Memory bus width | 64 bit | System Shared |
| Bandwidth | 14.40 GB/s | System Dependent |
Render Configuration
| Shading units | 384 | 128 |
|---|---|---|
| TMUs | 24 | 16 |
| ROPs | 8 | 1 |
| Compute units | 6 | — |
| Cache L1 | 16 KB (per CU) | — |
| Cache L2 | 128 KB | — |
| Execution units | — | 16 |
Performance
| Pixel rate | 6.600 GPixel/s | 1.250 GPixel/s |
|---|---|---|
| Texture rate | 19.80 GTexel/s | 20.00 GTexel/s |
| FP32 (float) performance | 633.6 GFLOPS | 320.0 GFLOPS |
| FP64 (double) performance | — | 80.00 GFLOPS (1:4) |
Dimensions & Outputs
| TDP | unknown | 45 W |
|---|---|---|
| Outputs | No outputs | No outputs |
| Slot width | — | IGP |
API Support & Features
| DirectX | 12 (11_1) | 11.1 (11_0) |
|---|---|---|
| OpenGL | 4.6 | 4.0 |
| OpenCL | 1.2 | 1.2 |
| Vulkan | 1.2 | 1.0 |
| Shader model | 5.1 | 5.0 |
Other Features
Integrated Graphics
| Release date | — | May 14th, 2012 |
|---|---|---|
| Generation | — | HD Graphics-W (Ivy Bridge) |
| Production | — | End-of-life |
| Interface | — | Ring Bus |
| Reviews | — | 1 in our database |
