ATI Mobility Radeon HD 4870 X2 vs NVIDIA Tesla M2070-Q
Graphics Processor
| GPU model | M98 | GF100 |
|---|---|---|
| GPU variant | M98 XT (216-0732023) | GF100-876-A1 |
| Architecture | TeraScale | Fermi |
| Foundry | TSMC | TSMC |
| Manufacturing process | 55 nm | 40 nm |
| Number of transistors | 956 million | 3,100 million |
| Die size | 256 mm² | 529 mm² |
Mobile graphics
| Release date | Jan 9th, 2009 | — |
|---|---|---|
| Generation | M9x (Mobility HD 4800) | — |
| Production | End-of-life | — |
| Interface | PCIe 2.0 x16 | — |
| Reviews | 2 in our database | — |
| Predecessor | M8x | — |
| Successor | Manhattan | — |
Clocks
| GPU clock | 550 MHz | 574 MHz |
|---|---|---|
| Memory clock | 700 MHz 2.8 Gbps effective | 783 MHz 3.1 Gbps effective |
| Shader clock | — | 1147 MHz |
Memory Configuration
| Memory size | 1024 MB | 6 GB |
|---|---|---|
| Memory type | GDDR5 | GDDR5 |
| Memory bus width | 256 bit | 384 bit |
| Bandwidth | 89.60 GB/s | 150.3 GB/s |
Render Configuration
| Shading units | 800 | 448 |
|---|---|---|
| TMUs | 40 | 56 |
| ROPs | 16 | 48 |
| Compute units | 10 | — |
| Cache L1 | 16 KB (per CU) | 64 KB (per SM) |
| Cache L2 | 256 KB | 768 KB |
| SM count | — | 14 |
Performance
| Pixel rate | 8.800 GPixel/s | 16.07 GPixel/s |
|---|---|---|
| Texture rate | 22.00 GTexel/s | 32.14 GTexel/s |
| FP32 (float) performance | 880.0 GFLOPS | 1,028 GFLOPS |
| FP64 (double) performance | 176.0 GFLOPS (1:5) | 513.9 GFLOPS (1:2) |
Dimensions & Outputs
| TDP | unknown | 225 W |
|---|---|---|
| Outputs | No outputs | No outputs |
| Slot width | — | Dual-slot |
| Length | — | 248 mm 9.8 inches |
| Suggested PSU | — | 550 W |
| Power connectors | — | 1x 6-pin + 1x 8-pin |
API Support & Features
| DirectX | 10.1 (10_1) | 12 (11_0) |
|---|---|---|
| OpenGL | 3.3 | 4.6 |
| OpenCL | 1.1 | 1.1 |
| Vulkan | — | — |
| Shader model | 4.1 | 5.1 |
| CUDA | — | 2.0 |
Other Features
Graphics Card
| Release date | — | Jul 25th, 2011 |
|---|---|---|
| Generation | — | Tesla |
| Production | — | End-of-life |
| Launch price | — | 5,489 USD |
| Interface | — | PCIe 2.0 x16 |
