AMD Radeon HD 6970M Mac Edition vs NVIDIA GeForce GTX 460
Graphics Processor
| GPU model | Blackcomb | GF104 |
|---|---|---|
| GPU variant | Blackcomb XT (216-0811000) | GF104-300-KB-A1 |
| Architecture | TeraScale 2 | Fermi |
| Foundry | TSMC | TSMC |
| Manufacturing process | 40 nm | 40 nm |
| Number of transistors | 1,700 million | 1,950 million |
| Die size | 212 mm² | 332 mm² |
Mobile graphics
| Release date | Aug 25th, 2011 | — |
|---|---|---|
| Generation | Vancouver (HD 6900M) | — |
| Production | End-of-life | — |
| Interface | MXM-B (3.0) | — |
| Predecessor | Manhattan | — |
| Successor | London | — |
Clocks
| GPU clock | 680 MHz | 675 MHz |
|---|---|---|
| Memory clock | 900 MHz 3.6 Gbps effective | 900 MHz 3.6 Gbps effective |
| Shader clock | — | 1350 MHz |
Memory Configuration
| Memory size | 2 GB | 768 MB |
|---|---|---|
| Memory type | GDDR5 | GDDR5 |
| Memory bus width | 256 bit | 192 bit |
| Bandwidth | 115.2 GB/s | 86.40 GB/s |
Render Configuration
| Shading units | 960 | 336 |
|---|---|---|
| TMUs | 48 | 56 |
| ROPs | 32 | 24 |
| Compute units | 12 | — |
| Cache L1 | 8 KB (per CU) | 64 KB (per SM) |
| Cache L2 | 512 KB | 384 KB |
| SM count | — | 7 |
Performance
| Pixel rate | 21.76 GPixel/s | 9.450 GPixel/s |
|---|---|---|
| Texture rate | 32.64 GTexel/s | 37.80 GTexel/s |
| FP32 (float) performance | 1,306 GFLOPS | 907.2 GFLOPS |
| FP64 (double) performance | — | 75.60 GFLOPS (1:12) |
Dimensions & Outputs
| Slot width | MXM Module | Dual-slot |
|---|---|---|
| TDP | 75 W | 160 W |
| Outputs | No outputs | 2x DVI1x mini-HDMI |
| Power connectors | None | — |
| Board number | C296 | — |
| Length | — | 210 mm 8.3 inches |
| Suggested PSU | — | 450 W |
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 |
Other Features
Graphics Card
| Release date | — | Jul 12th, 2010 |
|---|---|---|
| Generation | — | GeForce 400 |
| Production | — | End-of-life |
| Launch price | — | 199 USD |
| Interface | — | PCIe 2.0 x16 |
| Reviews | — | 154 in our database |
| Predecessor | — | GeForce 200 |
| Successor | — | GeForce 500 |
