AMD Radeon HD 6970M vs ATI Radeon HD 2400
Graphics Processor
| GPU model | Blackcomb | RV610 |
|---|---|---|
| GPU variant | Blackcomb XT (216-0811000) | — |
| Architecture | TeraScale 2 | TeraScale |
| Foundry | TSMC | TSMC |
| Manufacturing process | 40 nm | 65 nm |
| Number of transistors | 1,700 million | 180 million |
| Die size | 212 mm² | 85 mm² |
Mobile graphics
| Release date | Jan 4th, 2011 | — |
|---|---|---|
| Generation | Vancouver (HD 6900M) | — |
| Production | End-of-life | — |
| Interface | MXM-B (3.0) | — |
| Predecessor | Manhattan | — |
| Successor | London | — |
Clocks
| GPU clock | 680 MHz | 398 MHz |
|---|---|---|
| Memory clock | 900 MHz 3.6 Gbps effective | 495 MHz 990 Mbps effective |
Memory Configuration
| Memory size | 1024 MB | 256 MB |
|---|---|---|
| Memory type | GDDR5 | DDR2 |
| Memory bus width | 256 bit | 64 bit |
| Bandwidth | 115.2 GB/s | 7.920 GB/s |
Render Configuration
| Shading units | 960 | 40 |
|---|---|---|
| TMUs | 48 | 4 |
| ROPs | 32 | 4 |
| Compute units | 12 | 2 |
| Cache L1 | 8 KB (per CU) | — |
| Cache L2 | 512 KB | 32 KB |
Performance
| Pixel rate | 21.76 GPixel/s | 1.592 GPixel/s |
|---|---|---|
| Texture rate | 32.64 GTexel/s | 1.592 GTexel/s |
| FP32 (float) performance | 1,306 GFLOPS | 31.84 GFLOPS |
Dimensions & Outputs
| Slot width | MXM Module | Single-slot |
|---|---|---|
| TDP | 75 W | 20 W |
| Outputs | No outputs | 1x DVI1x S-Video |
| Power connectors | None | None |
| Board number | C296 | B170 |
| Suggested PSU | — | 200 W |
API Support & Features
| DirectX | 11.2 (11_0) | 10.0 (10_0) |
|---|---|---|
| OpenGL | 4.4 | 3.3 |
| OpenCL | 1.2 | — |
| Vulkan | — | — |
| Shader model | 5.0 | 4.0 |
Other Features
Graphics Card
| Release date | — | Feb 19th, 2008 |
|---|---|---|
| Generation | — | Radeon R600 |
| Production | — | End-of-life |
| Interface | — | PCIe 1.0 x16 |
| Reviews | — | 32 in our database |
| Predecessor | — | Radeon R500 PCIe |
| Successor | — | Radeon R700 |