AMD Radeon HD 6610M vs NVIDIA GeForce 820M
Graphics Processor
| GPU model | Whistler | GF117 |
|---|---|---|
| GPU variant | Whistler LP | N15V-GM-B-A2 |
| Architecture | TeraScale 2 | Fermi 2.0 |
| Foundry | TSMC | TSMC |
| Manufacturing process | 40 nm | 28 nm |
| Number of transistors | 716 million | 585 million |
| Die size | 104 mm² | 116 mm² |
Mobile graphics
| Release date | Jan 4th, 2011 | Nov 27th, 2013 |
|---|---|---|
| Generation | Vancouver (HD 6600M) | GeForce 800M |
| Production | End-of-life | End-of-life |
| Interface | PCIe 2.0 x16 | PCIe 2.0 x16 |
| Predecessor | Manhattan | GeForce 700M |
| Successor | London | GeForce 900M |
Clocks
| GPU clock | 450 MHz | 625 MHz |
|---|---|---|
| Memory clock | 800 MHz 1600 Mbps effective | 900 MHz 1800 Mbps effective |
| Shader clock | — | 1250 MHz |
Memory Configuration
| Memory size | 1024 MB | 1024 MB |
|---|---|---|
| Memory type | DDR3 | DDR3 |
| Memory bus width | 128 bit | 64 bit |
| Bandwidth | 25.60 GB/s | 14.40 GB/s |
Render Configuration
| Shading units | 480 | 96 |
|---|---|---|
| TMUs | 24 | 16 |
| ROPs | 8 | 8 |
| Compute units | 6 | — |
| Cache L1 | 8 KB (per CU) | 64 KB (per SM) |
| Cache L2 | 256 KB | 128 KB |
| SM count | — | 2 |
Performance
| Pixel rate | 3.600 GPixel/s | 2.500 GPixel/s |
|---|---|---|
| Texture rate | 10.80 GTexel/s | 10.00 GTexel/s |
| FP32 (float) performance | 432.0 GFLOPS | 240.0 GFLOPS |
| FP64 (double) performance | — | 20.00 GFLOPS (1:12) |
Dimensions & Outputs
| TDP | 26 W | 15 W |
|---|---|---|
| Outputs | No outputs | No outputs |
API Support & Features
| DirectX | 11.2 (11_0) | 12 (11_0) |
|---|---|---|
| OpenGL | 4.4 | 4.6 |
| OpenCL | 1.2 | 1.1 |
| Vulkan | — | — |
| Shader model | 5.0 | 5.1 |
| CUDA | — | 2.1 |
