ATI Radeon HD 3850 AGP vs NVIDIA Quadro FX 3800
Graphics Processor
| GPU model | RV670 | GT200B |
|---|---|---|
| GPU variant | RV670 PRO (215-0708003) | G200-835-B2 |
| Architecture | TeraScale | Tesla 2.0 |
| Foundry | TSMC | TSMC |
| Manufacturing process | 55 nm | 55 nm |
| Number of transistors | 666 million | 1,400 million |
| Die size | 192 mm² | 470 mm² |
Graphics Card
| Release date | Jan 3rd, 2008 | Mar 30th, 2009 |
|---|---|---|
| Generation | Radeon R600 | Quadro FX |
| Production | End-of-life | End-of-life |
| Interface | AGP 8x | PCIe 2.0 x16 |
| Reviews | 71 in our database | 26 in our database |
| Predecessor | Radeon R500 PCIe | — |
| Successor | Radeon R700 | — |
| Launch price | — | 799 USD |
Clocks
| GPU clock | 668 MHz | 600 MHz |
|---|---|---|
| Memory clock | 828 MHz 1656 Mbps effective | 800 MHz 1600 Mbps effective |
| Shader clock | — | 1204 MHz |
Memory Configuration
| Memory size | 512 MB | 1024 MB |
|---|---|---|
| Memory type | GDDR3 | GDDR3 |
| Memory bus width | 256 bit | 256 bit |
| Bandwidth | 52.99 GB/s | 51.20 GB/s |
Render Configuration
| Shading units | 320 | 192 |
|---|---|---|
| TMUs | 16 | 64 |
| ROPs | 16 | 16 |
| Compute units | 4 | — |
| Cache L2 | 256 KB | 128 KB |
| SM count | — | 24 |
Performance
| Pixel rate | 10.69 GPixel/s | 9.600 GPixel/s |
|---|---|---|
| Texture rate | 10.69 GTexel/s | 38.40 GTexel/s |
| FP32 (float) performance | 427.5 GFLOPS | 462.3 GFLOPS |
| FP64 (double) performance | 85.50 GFLOPS (1:5) | 57.79 GFLOPS (1:8) |
Dimensions & Outputs
| Slot width | Single-slot | Single-slot |
|---|---|---|
| TDP | 75 W | 108 W |
| Suggested PSU | 250 W | 300 W |
| Outputs | 2x DVI1x S-Video | 1x DVI2x DisplayPort |
| Power connectors | 1x 8-pin | 1x 6-pin |
| Board number | B340 | P755 |
| Length | — | 198 mm 7.8 inches |
| Width | — | 111 mm 4.4 inches |
API Support & Features
| DirectX | 10.1 (10_1) | 11.1 (10_0) |
|---|---|---|
| OpenGL | 3.3 (full) 4.0 (partial) | 3.3 |
| OpenCL | — | 1.1 |
| Vulkan | — | — |
| Shader model | 4.1 | 4.0 |
| CUDA | — | 1.3 |
