AMD Radeon HD 7450M vs NVIDIA GeForce GT 230
Graphics Processor
| GPU model | Seymour | G94B |
|---|---|---|
| GPU variant | Seymour PRO | G94-300-B1 |
| Architecture | TeraScale 2 | Tesla |
| Foundry | TSMC | TSMC |
| Manufacturing process | 40 nm | 55 nm |
| Number of transistors | 370 million | 505 million |
| Die size | 67 mm² | 196 mm² |
Mobile graphics
| Release date | Jan 7th, 2012 | — |
|---|---|---|
| Generation | London (HD 7400M) | — |
| Production | End-of-life | — |
| Interface | PCIe 2.0 x16 | — |
| Predecessor | Vancouver | — |
| Successor | Solar System | — |
Clocks
| GPU clock | 700 MHz | 650 MHz |
|---|---|---|
| Memory clock | 900 MHz 1800 Mbps effective | 900 MHz 1800 Mbps effective |
| Shader clock | — | 1625 MHz |
Memory Configuration
| Memory size | 1024 MB | 512 MB |
|---|---|---|
| Memory type | DDR3 | GDDR3 |
| Memory bus width | 64 bit | 256 bit |
| Bandwidth | 14.40 GB/s | 57.60 GB/s |
Render Configuration
| Shading units | 160 | 48 |
|---|---|---|
| TMUs | 8 | 24 |
| ROPs | 4 | 16 |
| Compute units | 2 | — |
| Cache L1 | 8 KB (per CU) | — |
| Cache L2 | 128 KB | 64 KB |
| SM count | — | 6 |
Performance
| Pixel rate | 2.800 GPixel/s | 10.40 GPixel/s |
|---|---|---|
| Texture rate | 5.600 GTexel/s | 15.60 GTexel/s |
| FP32 (float) performance | 224.0 GFLOPS | 156.0 GFLOPS |
Dimensions & Outputs
| TDP | 7 W | 75 W |
|---|---|---|
| Outputs | No outputs | No outputs |
| Slot width | — | Single-slot |
| Suggested PSU | — | 250 W |
| Power connectors | — | None |
| Board number | — | P545 |
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 |
Other Features
Graphics Card
| Release date | — | Oct 12th, 2009 |
|---|---|---|
| Generation | — | GeForce 200 |
| Production | — | End-of-life |
| Interface | — | PCIe 2.0 x16 |
| Predecessor | — | GeForce 9 |
| Successor | — | GeForce 400 |
