ATI Mobility Radeon HD 4870 vs NVIDIA Quadro K2100M
Graphics Processor
| GPU model | M98 | GK106 |
|---|---|---|
| GPU variant | M98 XT (216-0732023) | 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 |
Mobile graphics
| Release date | Jan 9th, 2009 | Jul 23rd, 2013 |
|---|---|---|
| Generation | M9x (Mobility HD 4800) | Quadro Mobile (Kx100M) |
| Production | End-of-life | End-of-life |
| Interface | PCIe 2.0 x16 | MXM-A (3.0) |
| Reviews | 2 in our database | 26 in our database |
| Predecessor | M8x | — |
| Successor | Manhattan | — |
Clocks
| GPU clock | 550 MHz | 667 MHz |
|---|---|---|
| Memory clock | 888 MHz 1776 Mbps effective | 752 MHz 3 Gbps effective |
Memory Configuration
| Memory size | 512 MB | 2 GB |
|---|---|---|
| Memory type | GDDR3 | GDDR5 |
| Memory bus width | 256 bit | 128 bit |
| Bandwidth | 56.83 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 | 8.800 GPixel/s | 8.004 GPixel/s |
|---|---|---|
| Texture rate | 22.00 GTexel/s | 32.02 GTexel/s |
| FP32 (float) performance | 880.0 GFLOPS | 768.4 GFLOPS |
| FP64 (double) performance | 176.0 GFLOPS (1:5) | 32.02 GFLOPS (1:24) |
Dimensions & Outputs
| TDP | unknown | 55 W |
|---|---|---|
| Outputs | No outputs | No outputs |
| Slot width | — | MXM Module |
| Board number | — | 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 |
