ATI Radeon 9800 XT Mac Edition vs NVIDIA GeForce GTS 450
Graphics Processor
| GPU model | R360 | GF106 |
|---|---|---|
| GPU variant | R360 (215R9RBKA11F) | GF106-250-KA-A1 |
| Architecture | Rage 9 | Fermi |
| Foundry | TSMC | TSMC |
| Manufacturing process | 150 nm | 40 nm |
| Number of transistors | 117 million | 1,170 million |
| Die size | 218 mm² | 238 mm² |
Graphics Card
| Release date | Mar 14th, 2004 | Sep 13th, 2010 |
|---|---|---|
| Generation | Radeon R300 | GeForce 400 |
| Production | End-of-life | End-of-life |
| Interface | AGP Pro 8x | PCIe 2.0 x16 |
| Reviews | 20 in our database | 80 in our database |
| Predecessor | Radeon R200 | GeForce 200 |
| Successor | Radeon R400 AGP | GeForce 500 |
| Launch price | — | 129 USD |
Clocks
| GPU clock | 412 MHz | 783 MHz |
|---|---|---|
| Memory clock | 365 MHz 730 Mbps effective | 902 MHz 3.6 Gbps effective |
| Shader clock | — | 1566 MHz |
Memory Configuration
| Memory size | 256 MB | 1024 MB |
|---|---|---|
| Memory type | DDR | GDDR5 |
| Memory bus width | 256 bit | 128 bit |
| Bandwidth | 23.36 GB/s | 57.73 GB/s |
Render Configuration
| Pixel shaders | 8 | — |
|---|---|---|
| Vertex shaders | 4 | — |
| TMUs | 8 | 32 |
| ROPs | 8 | 16 |
| Shading units | — | 192 |
| SM count | — | 4 |
| Cache L1 | — | 64 KB (per SM) |
| Cache L2 | — | 256 KB |
Performance
| Pixel rate | 3.296 GPixel/s | 6.264 GPixel/s |
|---|---|---|
| Vertex rate | 412.0 MVertices/s | — |
| Texture rate | 3.296 GTexel/s | 25.06 GTexel/s |
| FP32 (float) performance | — | 601.3 GFLOPS |
| FP64 (double) performance | — | 50.11 GFLOPS (1:12) |
Dimensions & Outputs
| Slot width | Single-slot | Dual-slot |
|---|---|---|
| TDP | 60 W | 106 W |
| Suggested PSU | 250 W | 300 W |
| Outputs | 2x DVI | 2x DVI1x mini-HDMI |
| Power connectors | None | 1x 6-pin |
| Length | — | 210 mm 8.3 inches |
| Width | — | 111 mm 4.4 inches |
| Board number | — | P1060 |
API Support & Features
| DirectX | 9.0 | 12 (11_0) |
|---|---|---|
| OpenGL | 2.0 | 4.6 |
| OpenCL | — | 1.1 |
| Vulkan | — | — |
| Pixel shader | 2.0 | — |
| Vertex shader | 2.0 | — |
| CUDA | — | 2.1 |
| Shader model | — | 5.1 |
