Product Compare

NVIDIA GeForce GTX 960 vs AMD Radeon HD 6870

GPU GPU
Graphics Card
Release Date Jan 2015 Oct 2010
Generation GeForce 900 Northern Islands
Type Desktop Desktop
Bus Interface PCIe 3.0 x16 PCIe 2.0 x16
Clock Speeds
Base Clock 1127 MHz
Boost Clock 1178 MHz
Memory Clock 1753 MHz 1050 MHz
Memory
Memory Size 2GB 1024MB
Memory Type GDDR5 GDDR5
Memory Bus 128bit 256bit
Bandwidth 112.2GB/s 134.4GB/s
Render Config
Shading Units 1024 1120
TMUs 64 56
ROPs 32 32
L1 Cache 48 KB (per SMM) 8 KB (per CU)
L2 Cache 1024 KB 512 KB
Compute Units 14
Theoretical Performance
Pixel Rate 37.70 GPixel/s 28.80 GPixel/s
Texture Rate 75.39 GTexel/s 50.40 GTexel/s
FP32 (float) 2.413 TFLOPS 2.016 TFLOPS
FP64 (double) 75.39 GFLOPS
Graphics Processor
GPU Name GM206 Barts
GPU Variant GM206-300-A1 Barts XT(215-0798000)
Architecture Maxwell 2.0 TeraScale 2
Foundry TSMC TSMC
Process Size 28 nm 40 nm
Transistors 2.94 billion 1.7 billion
Die Size 228 mm² 255 mm²
Board Design
TDP 120W 151W
Suggested PSU 300 W 450 W
Outputs 1x DVI1x HDMI 2.03x DisplayPort 1.4a 2x DVI1x HDMI 1.3a2x mini-DisplayPort 1.1
Power Connectors 1x 6-pin 2x 6-pin
Graphics Features
DirectX 12 (12_1) 11.2 (11_0)
OpenGL 4.6 4.4
OpenCL 3.0 1.2
Vulkan 1.3 N/A
CUDA 5.2
Shader Model 6.4 5.0