ATI Radeon HD 5450 PCI vs NVIDIA GeForce 320M Mac Edition
Graphics Processor
| GPU model | Cedar | C89 |
|---|---|---|
| GPU variant | Cedar PRO | MCP89 |
| Architecture | TeraScale 2 | Tesla 2.0 |
| Foundry | TSMC | — |
| Manufacturing process | 40 nm | 40 nm |
| Number of transistors | 292 million | 486 million |
| Die size | 59 mm² | 100 mm² |
Graphics Card
| Release date | Feb 4th, 2010 | — |
|---|---|---|
| Generation | Evergreen | — |
| Production | End-of-life | — |
| Interface | PCI | — |
| Reviews | 34 in our database | — |
| Predecessor | Radeon R700 | — |
| Successor | Northern Islands | — |
Clocks
| GPU clock | 650 MHz | 450 MHz |
|---|---|---|
| Memory clock | 333 MHz 666 Mbps effective | System Shared |
| Shader clock | — | 950 MHz |
Memory Configuration
| Memory size | 512 MB | System Shared |
|---|---|---|
| Memory type | DDR2 | System Shared |
| Memory bus width | 64 bit | System Shared |
| Bandwidth | 5.328 GB/s | System Dependent |
Render Configuration
| Shading units | 80 | 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 | 2.600 GPixel/s | 3.600 GPixel/s |
|---|---|---|
| Texture rate | 5.200 GTexel/s | 7.200 GTexel/s |
| FP32 (float) performance | 104.0 GFLOPS | 91.20 GFLOPS |
Dimensions & Outputs
| Slot width | Single-slot | IGP |
|---|---|---|
| Length | 145 mm 5.7 inches | — |
| TDP | 19 W | 23 W |
| Suggested PSU | 200 W | — |
| Outputs | 1x DVI1x HDMI | No outputs |
| Power connectors | None | — |
| Board number | C093, C096 | — |
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 |
