AMD Radeon HD 6490M vs AMD Radeon HD 7570M
Graphics Processor
| GPU model | Seymour | Thames |
|---|---|---|
| GPU variant | Seymour XTX (216-0810005) | Thames PRO |
| Architecture | TeraScale 2 | TeraScale 2 |
| Foundry | TSMC | TSMC |
| Manufacturing process | 40 nm | 40 nm |
| Number of transistors | 370 million | 716 million |
| Die size | 67 mm² | 104 mm² |
Mobile graphics
| Release date | Jan 4th, 2011 | Jan 7th, 2012 |
|---|---|---|
| Generation | Vancouver (HD 6400M) | London (HD 7500M) |
| Production | End-of-life | End-of-life |
| Interface | PCIe 2.0 x16 | PCIe 2.0 x16 |
| Predecessor | Manhattan | Vancouver |
| Successor | London | Solar System |
Clocks
| GPU clock | 800 MHz | 500 MHz |
|---|---|---|
| Memory clock | 800 MHz 3.2 Gbps effective | 800 MHz 3.2 Gbps effective |
Memory Configuration
| Memory size | 512 MB | 1024 MB |
|---|---|---|
| Memory type | GDDR5 | GDDR5 |
| Memory bus width | 64 bit | 64 bit |
| Bandwidth | 25.60 GB/s | 25.60 GB/s |
Render Configuration
| Shading units | 160 | 480 |
|---|---|---|
| TMUs | 8 | 24 |
| ROPs | 4 | 16 |
| Compute units | 2 | 6 |
| Cache L1 | 8 KB (per CU) | — |
| Cache L2 | 128 KB | — |
Performance
| Pixel rate | 3.200 GPixel/s | 8.000 GPixel/s |
|---|---|---|
| Texture rate | 6.400 GTexel/s | 12.00 GTexel/s |
| FP32 (float) performance | 256.0 GFLOPS | 480.0 GFLOPS |
Dimensions & Outputs
| TDP | unknown | 13 W |
|---|---|---|
| Outputs | No outputs | No outputs |
API Support & Features
| DirectX | 11.2 (11_0) | 11.2 (11_0) |
|---|---|---|
| OpenGL | 4.4 | 4.4 |
| OpenCL | 1.2 | 1.2 |
| Vulkan | — | — |
| Shader model | 5.0 | 5.0 |
