Product Compare

NVIDIA Tesla K80 vs AMD Radeon HD 6870 1600SP Edition

GPU GPU
Graphics Card
Release Date Nov 2014 Jan 2013
Generation Tesla Northern Islands
Type Professional Desktop
Bus Interface PCIe 3.0 x16 PCIe 2.0 x16
Clock Speeds
Base Clock 562 MHz
Boost Clock 824 MHz
Memory Clock 1253 MHz 1050 MHz
Memory
Memory Size 12GB 1024MB
Memory Type GDDR5 GDDR5
Memory Bus 384bit 256bit
Bandwidth 240.6GB/s 134.4GB/s
Render Config
Shading Units 2496 1600
TMUs 208 80
ROPs 48 32
L1 Cache 16 KB (per SMX) 8 KB (per CU)
L2 Cache 1536 KB 512 KB
Compute Units 20
Theoretical Performance
Pixel Rate 42.85 GPixel/s 27.20 GPixel/s
Texture Rate 171.4 GTexel/s 68.00 GTexel/s
FP32 (float) 4.113 TFLOPS 2.720 TFLOPS
FP64 (double) 1371 GFLOPS 544.0 GFLOPS
Graphics Processor
GPU Name GK210 Cypress
GPU Variant GK210-885-A1 Cypress XT(215-0735033)
Architecture Kepler 2.0 TeraScale 2
Foundry TSMC TSMC
Process Size 28 nm 40 nm
Transistors 7.1 billion 2.154 billion
Die Size 561 mm² 334 mm²
Board Design
TDP 300W 175W
Suggested PSU 700 W 450 W
Outputs No outputs 2x DVI1x HDMI 1.3a2x mini-DisplayPort 1.1
Power Connectors 1x 8-pin 2x 6-pin
Graphics Features
DirectX 12 (11_1) 11.2 (11_0)
OpenGL 4.6 4.4
OpenCL 3.0 1.2
Vulkan 1.1 N/A
CUDA 3.7
Shader Model 5.1 5.0