NVIDIA GeForce GT 820M vs ATI Radeon HD 2950 XTX
What is the difference between NVIDIA GeForce GT 820M and ATI Radeon HD 2950 XTX. Find out which graphics card has better performance.
Graphics Processor (GPU)
GF117 | GPU Name | RV670 |
N15V-GM | Model number | RV670 XTX (215-0708004) |
Fermi 2.0 | Architecture | TeraScale |
TSMC | Foundry | TSMC |
28 nm | Process Size | 55 nm |
585 million | Transistors | 666 million |
116 mm² | Die Size | 192 mm² |
Graphics Card
Nov 27th, 2013 | Release Date | Never Released |
GeForce 800M | Family | Radeon R600 (HD 2900) |
End-of-life | Production | End-of-life |
GeForce 700M | Predecessor | Radeon R500 PCIe |
PCIe 2.0 x16 | Bus Interface | PCIe 2.0 x16 |
Memory
1024 MB | Memory Size | 512 MB |
DDR3 | Memory Type | GDDR4 |
64 bit | Memory Bus | 256 bit |
14.40 GB/s | Bandwidth | 72.06 GB/s |
Performance
3.100 GPixel/s | Pixel fillrate | 12.43 GPixel/s |
12.40 GTexel/s | Texture fillrate | 12.43 GTexel/s |
297.6 GFLOPS | FP32 (float) performance | 497.3 GFLOPS |
24.80 GFLOPS (1:12) | FP64 (double) performance | 99.46 GFLOPS (1:5) |
Clock Speeds
900 MHz 1800 Mbps effective | Memory Clock | 1126 MHz 2.3 Gbps effective |
775 MHz | GPU Clock | 777 MHz |
Render Config
96 | Shading Units | 320 |
16 | TMUs | 16 |
8 | ROPs | 16 |
128 KB | L2 Cache | 256 KB |
Board Design
15 W | Thermal design power (TDP) | 110 W |
No outputs | Display Connectors | 2x DVI 1x S-Video |
API support
12 (11_0) | DirectX | 10.1 (10_1) |
4.6 | OpenGL | 3.3 (full) 4.0 (partial) |
1.1 | OpenCL | N/A |
N/A | Vulkan | N/A |
5.1 | Shader Model | 4.1 |