AMD Radeon HD 6450A vs NVIDIA GeForce GT 120M Mac Edition
Graphics Processor
| GPU model | Caicos | G96C |
|---|---|---|
| Architecture | TeraScale 2 | Tesla |
| Foundry | TSMC | TSMC |
| Manufacturing process | 40 nm | 55 nm |
| Number of transistors | 370 million | 314 million |
| Die size | 67 mm² | 121 mm² |
Mobile graphics
| Release date | Apr 7th, 2011 | Dec 12th, 2008 |
|---|---|---|
| Generation | All-In-One (HD 6000) | GeForce 100M |
| Production | End-of-life | End-of-life |
| Interface | MXM-A (3.0) | PCIe 2.0 x16 |
| Reviews | — | 2 in our database |
| Predecessor | — | GeForce 9M |
| Successor | — | GeForce 200M |
Clocks
| GPU clock | 625 MHz | 500 MHz |
|---|---|---|
| Memory clock | 533 MHz 1066 Mbps effective | 792 MHz 1584 Mbps effective |
| Shader clock | — | 1250 MHz |
Memory Configuration
| Memory size | 512 MB | 256 MB |
|---|---|---|
| Memory type | DDR3 | GDDR3 |
| Memory bus width | 64 bit | 128 bit |
| Bandwidth | 8.528 GB/s | 25.34 GB/s |
Render Configuration
| Shading units | 160 | 32 |
|---|---|---|
| TMUs | 8 | 16 |
| ROPs | 4 | 8 |
| Compute units | 2 | — |
| Cache L1 | 8 KB (per CU) | — |
| Cache L2 | 128 KB | 32 KB |
| SM count | — | 4 |
Performance
| Pixel rate | 2.500 GPixel/s | 4.000 GPixel/s |
|---|---|---|
| Texture rate | 5.000 GTexel/s | 8.000 GTexel/s |
| FP32 (float) performance | 200.0 GFLOPS | 80.00 GFLOPS |
Dimensions & Outputs
| Slot width | MXM Module | — |
|---|---|---|
| TDP | 25 W | 14 W |
| Outputs | No outputs | No outputs |
API Support & Features
| DirectX | 11.2 (11_0) | 11.1 (10_0) |
|---|---|---|
| OpenGL | 4.4 | 3.3 |
| OpenCL | 1.2 | 1.1 |
| Vulkan | — | — |
| Shader model | 5.0 | 4.0 |
| CUDA | — | 1.1 |
