AMD Radeon HD 6870 1600SP Edition vs NVIDIA Tesla K80
GPU Specs Compare
Graphics Card
Release Date
Jan 2013
Nov 2014
Generation
Northern Islands
Tesla
Type
Desktop
Professional
Bus Interface
PCIe 2.0 x16
PCIe 3.0 x16
Clock Speeds
Memory Clock
1050 MHz
1253 MHz
Base Clock
-
562 MHz
Boost Clock
-
824 MHz
Memory
Memory Size
1024MB
12GB
Memory Type
GDDR5
GDDR5
Memory Bus
256bit
384bit
Bandwidth
134.4GB/s
240.6GB/s
Render Config
Compute Units
20
-
Shading Units
1600
2496
TMUs
80
208
ROPs
32
48
L1 Cache
8 KB (per CU)
16 KB (per SMX)
L2 Cache
512 KB
1536 KB
Theoretical Performance
Pixel Rate
27.20 GPixel/s
42.85 GPixel/s
Texture Rate
68.00 GTexel/s
171.4 GTexel/s
FP32 (float)
2.720 TFLOPS
4.113 TFLOPS
FP64 (double)
544.0 GFLOPS
1371 GFLOPS
Graphics Processor
GPU Name
Cypress
GK210
GPU Variant
Cypress XT(215-0735033)
GK210-885-A1
Architecture
TeraScale 2
Kepler 2.0
Foundry
TSMC
TSMC
Process Size
40 nm
28 nm
Transistors
2.154 billion
7.1 billion
Die Size
334 mm²
561 mm²
Board Design
TDP
175W
300W
Suggested PSU
450 W
700 W
Outputs
2x DVI1x HDMI 1.3a2x mini-DisplayPort 1.1
No outputs
Power Connectors
2x 6-pin
1x 8-pin
Graphics Features
DirectX
11.2 (11_0)
12 (11_1)
OpenGL
4.4
4.6
OpenCL
1.2
3.0
Vulkan
N/A
1.1
Shader Model
5.0
5.1
CUDA
-
3.7