ATI Radeon HD 4870 Mac Edition vs NVIDIA Quadro K2100M
Graphics Processor
| GPU model | RV770 | GK106 |
|---|---|---|
| GPU variant | RV770 XT Mac (215-0669080) | N15P-Q3-A1 |
| Architecture | TeraScale | Kepler |
| Foundry | TSMC | TSMC |
| Manufacturing process | 55 nm | 28 nm |
| Number of transistors | 956 million | 2,540 million |
| Die size | 256 mm² | 221 mm² |
Graphics Card
| Release date | Jan 6th, 2009 | — |
|---|---|---|
| Generation | Radeon R700 | — |
| Production | End-of-life | — |
| Interface | PCIe 2.0 x16 | — |
| Reviews | 135 in our database | — |
| Predecessor | Radeon R600 | — |
| Successor | Evergreen | — |
Clocks
| GPU clock | 750 MHz | 667 MHz |
|---|---|---|
| Memory clock | 850 MHz 3.4 Gbps effective | 752 MHz 3 Gbps effective |
Memory Configuration
| Memory size | 512 MB | 2 GB |
|---|---|---|
| Memory type | GDDR5 | GDDR5 |
| Memory bus width | 256 bit | 128 bit |
| Bandwidth | 108.8 GB/s | 48.13 GB/s |
Render Configuration
| Shading units | 800 | 576 |
|---|---|---|
| TMUs | 40 | 48 |
| ROPs | 16 | 16 |
| Compute units | 10 | — |
| Cache L1 | 16 KB (per CU) | 16 KB (per SMX) |
| Cache L2 | 256 KB | 256 KB |
| SMX count | — | 3 |
Performance
| Pixel rate | 12.00 GPixel/s | 8.004 GPixel/s |
|---|---|---|
| Texture rate | 30.00 GTexel/s | 32.02 GTexel/s |
| FP32 (float) performance | 1,200 GFLOPS | 768.4 GFLOPS |
| FP64 (double) performance | 240.0 GFLOPS (1:5) | 32.02 GFLOPS (1:24) |
Dimensions & Outputs
| Slot width | Dual-slot | MXM Module |
|---|---|---|
| Length | 250 mm 9.8 inches | — |
| TDP | 150 W | 55 W |
| Suggested PSU | 450 W | — |
| Outputs | 1x DVI1x mini-DisplayPort | No outputs |
| Power connectors | 2x 6-pin | — |
| Board number | B771 | P2039 |
API Support & Features
| DirectX | 10.1 (10_1) | 12 (11_0) |
|---|---|---|
| OpenGL | 3.3 | 4.6 |
| OpenCL | 1.1 | 3.0 |
| Vulkan | — | 1.1 |
| Shader model | 4.1 | 5.1 |
| CUDA | — | 3.0 |
Other Features
Mobile graphics
| Release date | — | Jul 23rd, 2013 |
|---|---|---|
| Generation | — | Quadro Mobile (Kx100M) |
| Production | — | End-of-life |
| Interface | — | MXM-A (3.0) |
| Reviews | — | 26 in our database |
