AMD Radeon HD 6970M Mac Edition vs NVIDIA GeForce4 460 Go
Graphics Processor
| GPU model | Blackcomb | NV17 |
|---|---|---|
| GPU variant | Blackcomb XT (216-0811000) | 460 Go A5 |
| Architecture | TeraScale 2 | Celsius |
| Foundry | TSMC | TSMC |
| Manufacturing process | 40 nm | 150 nm |
| Number of transistors | 1,700 million | 29 million |
| Die size | 212 mm² | 65 mm² |
Mobile graphics
| Release date | Aug 25th, 2011 | Oct 14th, 2002 |
|---|---|---|
| Generation | Vancouver (HD 6900M) | GeForce4 Go |
| Production | End-of-life | End-of-life |
| Interface | MXM-B (3.0) | AGP 4x |
| Predecessor | Manhattan | GeForce2 Go |
| Successor | London | GeForce FX Go 5 |
| Reviews | — | 2 in our database |
Clocks
| GPU clock | 680 MHz | 250 MHz |
|---|---|---|
| Memory clock | 900 MHz 3.6 Gbps effective | 250 MHz 500 Mbps effective |
Memory Configuration
| Memory size | 2 GB | 64 MB |
|---|---|---|
| Memory type | GDDR5 | DDR |
| Memory bus width | 256 bit | 128 bit |
| Bandwidth | 115.2 GB/s | 8.000 GB/s |
Render Configuration
| Shading units | 960 | — |
|---|---|---|
| TMUs | 48 | 4 |
| ROPs | 32 | 2 |
| Compute units | 12 | — |
| Cache L1 | 8 KB (per CU) | — |
| Cache L2 | 512 KB | — |
| Pixel shaders | — | 2 |
| Vertex shaders | — | 0 |
Performance
| Pixel rate | 21.76 GPixel/s | 500.0 MPixel/s |
|---|---|---|
| Texture rate | 32.64 GTexel/s | 1.000 GTexel/s |
| FP32 (float) performance | 1,306 GFLOPS | — |
Dimensions & Outputs
| Slot width | MXM Module | — |
|---|---|---|
| TDP | 75 W | unknown |
| Outputs | No outputs | No outputs |
| Power connectors | None | — |
| Board number | C296 | — |
API Support & Features
| DirectX | 11.2 (11_0) | 7.0 |
|---|---|---|
| OpenGL | 4.4 | 1.5 |
| OpenCL | 1.2 | — |
| Vulkan | — | — |
| Shader model | 5.0 | — |
| Pixel shader | — | 1.1 |
| Vertex shader | — | 1.1 |
