AMD Radeon HD 7450 OEM vs NVIDIA GeForce 320M Mac Edition
Graphics Processor
| GPU model | Caicos | C89 |
|---|---|---|
| GPU variant | Caimour | MCP89 |
| Architecture | TeraScale 2 | Tesla 2.0 |
| Foundry | TSMC | — |
| Manufacturing process | 40 nm | 40 nm |
| Number of transistors | 370 million | 486 million |
| Die size | 67 mm² | 100 mm² |
Graphics Card
| Release date | Jan 5th, 2012 | — |
|---|---|---|
| Generation | Southern Islands | — |
| Production | End-of-life | — |
| Interface | PCIe 2.0 x16 | — |
| Predecessor | Northern Islands | — |
| Successor | Sea Islands | — |
Clocks
| GPU clock | 625 MHz | 450 MHz |
|---|---|---|
| Memory clock | 533 MHz 1066 Mbps effective | System Shared |
| Shader clock | — | 950 MHz |
Memory Configuration
| Memory size | 512 MB | System Shared |
|---|---|---|
| Memory type | GDDR3 | System Shared |
| Memory bus width | 64 bit | System Shared |
| Bandwidth | 8.528 GB/s | System Dependent |
Render Configuration
| Shading units | 160 | 48 |
|---|---|---|
| TMUs | 8 | 16 |
| ROPs | 4 | 8 |
| Compute units | 2 | — |
| Cache L1 | 8 KB (per CU) | — |
| Cache L2 | 128 KB | — |
| SM count | — | 4 |
Performance
| Pixel rate | 2.500 GPixel/s | 3.600 GPixel/s |
|---|---|---|
| Texture rate | 5.000 GTexel/s | 7.200 GTexel/s |
| FP32 (float) performance | 200.0 GFLOPS | 91.20 GFLOPS |
Dimensions & Outputs
| Slot width | Single-slot | IGP |
|---|---|---|
| Length | 168 mm 6.6 inches | — |
| TDP | 18 W | 23 W |
| Suggested PSU | 200 W | — |
| Outputs | 1x DVI1x HDMI | No outputs |
| Power connectors | None | — |
| Board number | C264 | — |
API Support & Features
| DirectX | 11.2 (11_0) | 11.1 (10_1) |
|---|---|---|
| OpenGL | 4.4 | 3.3 |
| OpenCL | 1.2 | — |
| Vulkan | — | — |
| Shader model | 5.0 | 4.1 |
Other Features
Integrated Graphics
| Release date | — | Apr 1st, 2010 |
|---|---|---|
| Generation | — | GeForce 300M |
| Production | — | End-of-life |
| Interface | — | PCIe 2.0 x16 |
| Reviews | — | 2 in our database |
| Predecessor | — | GeForce 200M |
| Successor | — | GeForce 400M |
