AMD Radeon HD 6450A vs NVIDIA GeForce Go 7950 GTX
Graphics Processor
| GPU model | Caicos | G71 |
|---|---|---|
| Architecture | TeraScale 2 | Curie |
| Foundry | TSMC | TSMC |
| Manufacturing process | 40 nm | 90 nm |
| Number of transistors | 370 million | 278 million |
| Die size | 67 mm² | 196 mm² |
Mobile graphics
| Release date | Apr 7th, 2011 | Oct 12th, 2006 |
|---|---|---|
| Generation | All-In-One (HD 6000) | GeForce Go 7 (Go 7000) |
| Production | End-of-life | End-of-life |
| Interface | MXM-A (3.0) | MXM-III |
| Predecessor | — | GeForce Go 6 |
| Successor | — | GeForce 8M |
Clocks
| GPU clock | 625 MHz | 575 MHz |
|---|---|---|
| Memory clock | 533 MHz 1066 Mbps effective | 700 MHz 1400 Mbps effective |
Memory Configuration
| Memory size | 512 MB | 512 MB |
|---|---|---|
| Memory type | DDR3 | GDDR3 |
| Memory bus width | 64 bit | 256 bit |
| Bandwidth | 8.528 GB/s | 44.80 GB/s |
Render Configuration
| Shading units | 160 | — |
|---|---|---|
| TMUs | 8 | 24 |
| ROPs | 4 | 16 |
| Compute units | 2 | — |
| Cache L1 | 8 KB (per CU) | — |
| Cache L2 | 128 KB | — |
| Pixel shaders | — | 24 |
| Vertex shaders | — | 8 |
Performance
| Pixel rate | 2.500 GPixel/s | 9.200 GPixel/s |
|---|---|---|
| Texture rate | 5.000 GTexel/s | 13.80 GTexel/s |
| FP32 (float) performance | 200.0 GFLOPS | — |
| Vertex rate | — | 1.150 GVertices/s |
Dimensions & Outputs
| Slot width | MXM Module | MXM Module |
|---|---|---|
| TDP | 25 W | 45 W |
| Outputs | No outputs | No outputs |
| Power connectors | — | None |
| Board number | — | E466, P469 |
API Support & Features
| DirectX | 11.2 (11_0) | 9.0c (9_3) |
|---|---|---|
| OpenGL | 4.4 | 2.1 |
| OpenCL | 1.2 | — |
| Vulkan | — | — |
| Shader model | 5.0 | 3.0 |
