ATI Mobility Radeon HD 3870 vs NVIDIA GeForce2 GTS PRO
Graphics Processor
| GPU model | M88 | NV15 |
|---|---|---|
| Architecture | TeraScale | Celsius |
| Foundry | TSMC | TSMC |
| Manufacturing process | 55 nm | 150 nm |
| Number of transistors | 666 million | 25 million |
| Die size | 192 mm² | 88 mm² |
| GPU variant | — | GeForce2 GTS PRO |
Mobile graphics
| Release date | Jun 4th, 2008 | — |
|---|---|---|
| Generation | M8x (Mobility HD 3800) | — |
| Production | End-of-life | — |
| Interface | PCIe 2.0 x16 | — |
| Reviews | 2 in our database | — |
| Predecessor | M7x | — |
| Successor | M9x | — |
Clocks
| GPU clock | 660 MHz | 200 MHz |
|---|---|---|
| Memory clock | 850 MHz 1700 Mbps effective | 200 MHz 400 Mbps effective |
Memory Configuration
| Memory size | 512 MB | 32 MB |
|---|---|---|
| Memory type | GDDR3 | DDR |
| Memory bus width | 256 bit | 128 bit |
| Bandwidth | 54.40 GB/s | 6.400 GB/s |
Render Configuration
| Shading units | 320 | — |
|---|---|---|
| TMUs | 16 | 8 |
| ROPs | 16 | 4 |
| Compute units | 4 | — |
| Cache L2 | 256 KB | — |
| Pixel shaders | — | 4 |
| Vertex shaders | — | 0 |
Performance
| Pixel rate | 10.56 GPixel/s | 800.0 MPixel/s |
|---|---|---|
| Texture rate | 10.56 GTexel/s | 1.600 GTexel/s |
| FP32 (float) performance | 422.4 GFLOPS | — |
| FP64 (double) performance | 84.48 GFLOPS (1:5) | — |
Dimensions & Outputs
| TDP | 55 W | unknown |
|---|---|---|
| Outputs | No outputs | 1x VGA2x S-Video |
| Slot width | — | Single-slot |
| Suggested PSU | — | 200 W |
| Power connectors | — | None |
API Support & Features
| DirectX | 10.1 (10_1) | 7.0 |
|---|---|---|
| OpenGL | 3.3 | 1.5 |
| OpenCL | — | — |
| Vulkan | — | — |
| Shader model | 4.1 | — |
| Pixel shader | — | 0.5 |
| Vertex shader | — | — |
Other Features
Graphics Card
| Release date | — | Apr 26th, 2000 |
|---|---|---|
| Generation | — | GeForce 2 |
| Production | — | End-of-life |
| Interface | — | AGP 4x |
| Predecessor | — | GeForce 2 MX |
| Successor | — | GeForce 3 |
