ATI Radeon HD 3650 vs NVIDIA GeForce 8500 GT
Graphics Processor
| GPU model | RV635 | G86 |
|---|---|---|
| GPU variant | RV635 PRO (215-0682008) | G86-300-A2 |
| Architecture | TeraScale | Tesla |
| Foundry | TSMC | TSMC |
| Manufacturing process | 55 nm | 80 nm |
| Number of transistors | 378 million | 210 million |
| Die size | 135 mm² | 127 mm² |
Graphics Card
| Release date | Jan 20th, 2008 | Apr 17th, 2007 |
|---|---|---|
| Generation | Radeon R600 | GeForce 8 |
| Production | End-of-life | End-of-life |
| Interface | PCIe 2.0 x16 | PCIe 1.0 x16 |
| Reviews | 28 in our database | 33 in our database |
| Predecessor | Radeon R500 PCIe | GeForce 7 PCIe |
| Successor | Radeon R700 | GeForce 9 |
| Launch price | — | 129 USD |
Clocks
| GPU clock | 725 MHz | 459 MHz |
|---|---|---|
| Memory clock | 800 MHz 1600 Mbps effective | 400 MHz 800 Mbps effective |
| Shader clock | — | 918 MHz |
Memory Configuration
| Memory size | 256 MB | 256 MB |
|---|---|---|
| Memory type | GDDR3 | GDDR3 |
| Memory bus width | 128 bit | 128 bit |
| Bandwidth | 25.60 GB/s | 12.80 GB/s |
Render Configuration
| Shading units | 120 | 16 |
|---|---|---|
| TMUs | 8 | 8 |
| ROPs | 4 | 4 |
| Compute units | 3 | — |
| Cache L2 | 128 KB | 32 KB |
| SM count | — | 2 |
Performance
| Pixel rate | 2.900 GPixel/s | 1.836 GPixel/s |
|---|---|---|
| Texture rate | 5.800 GTexel/s | 3.672 GTexel/s |
| FP32 (float) performance | 174.0 GFLOPS | 29.38 GFLOPS |
Dimensions & Outputs
| Slot width | Single-slot | Single-slot |
|---|---|---|
| TDP | 65 W | 30 W |
| Suggested PSU | 250 W | 200 W |
| Outputs | 2x DVI1x S-Video | 1x DVI1x VGA1x S-Video |
| Power connectors | None | None |
| Board number | B381 | P403 |
| Length | — | 229 mm 9 inches |
API Support & Features
| DirectX | 10.1 (10_1) | 11.1 (10_0) |
|---|---|---|
| OpenGL | 3.3 | 3.3 |
| OpenCL | — | 1.1 |
| Vulkan | — | — |
| Shader model | 4.1 | 4.0 |
| CUDA | — | 1.1 |
