Product Compare

NVIDIA GeForce GTX 1080 vs AMD Radeon HD 6870 1600SP Edition

GPU GPU
Graphics Card
Release Date May 2016 Jan 2013
Generation GeForce 10 Northern Islands
Type Desktop Desktop
Bus Interface PCIe 3.0 x16 PCIe 2.0 x16
Clock Speeds
Base Clock 1607 MHz
Boost Clock 1733 MHz
Memory Clock 1251 MHz 1050 MHz
Memory
Memory Size 8GB 1024MB
Memory Type GDDR5X GDDR5
Memory Bus 256bit 256bit
Bandwidth 320.3GB/s 134.4GB/s
Render Config
SM Count 20
Shading Units 2560 1600
TMUs 160 80
ROPs 64 32
L1 Cache 48 KB (per SM) 8 KB (per CU)
L2 Cache 2 MB 512 KB
Compute Units 20
Theoretical Performance
Pixel Rate 110.9 GPixel/s 27.20 GPixel/s
Texture Rate 277.3 GTexel/s 68.00 GTexel/s
FP16 (half) 138.6 GFLOPS
FP32 (float) 8.873 TFLOPS 2.720 TFLOPS
FP64 (double) 277.3 GFLOPS 544.0 GFLOPS
Graphics Processor
GPU Name GP104 Cypress
GPU Variant GP104-400-A1 Cypress XT(215-0735033)
Architecture Pascal TeraScale 2
Foundry TSMC TSMC
Process Size 16 nm 40 nm
Transistors 7.2 billion 2.154 billion
Die Size 314 mm² 334 mm²
Board Design
TDP 180W 175W
Suggested PSU 450 W 450 W
Outputs 1x DVI1x HDMI 2.03x DisplayPort 1.4a 2x DVI1x HDMI 1.3a2x mini-DisplayPort 1.1
Power Connectors 1x 8-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 6.1
Shader Model 6.4 5.0