NVIDIA Tesla K80 vs AMD Radeon HD 7970 X2
GPU · Specs Compare
Graphics Card
Release Date
Nov 2014
Aug 2012
Generation
Tesla
Southern Islands
Type
Professional
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
562 MHz
—
Boost Clock
824 MHz
—
Memory Clock
1253 MHz
1375 MHz
Memory
Memory Size
12GB
3GB
Memory Type
GDDR5
GDDR5
Memory Bus
384bit
384bit
Bandwidth
240.6GB/s
264.0GB/s
Render Config
Shading Units
2496
2048
TMUs
208
128
ROPs
48
32
L1 Cache
16 KB (per SMX)
16 KB (per CU)
L2 Cache
1536 KB
768 KB
Compute Units
—
32
Theoretical Performance
Pixel Rate
42.85 GPixel/s
29.60 GPixel/s
Texture Rate
171.4 GTexel/s
118.4 GTexel/s
FP32 (float)
4.113 TFLOPS
3.789 TFLOPS
FP64 (double)
1371 GFLOPS
947.2 GFLOPS
Graphics Processor
GPU Name
GK210
New Zealand
GPU Variant
GK210-885-A1
—
Architecture
Kepler 2.0
GCN 1.0
Foundry
TSMC
TSMC
Process Size
28 nm
28 nm
Transistors
7.1 billion
4.313 billion
Die Size
561 mm²
352 mm²
Board Design
TDP
300W
500W
Suggested PSU
700 W
900 W
Outputs
No outputs
2x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
Power Connectors
1x 8-pin
3x 8-pin
Graphics Features
DirectX
12 (11_1)
12 (11_1)
OpenGL
4.6
4.6
OpenCL
3.0
1.2
Vulkan
1.1
1.2
CUDA
3.7
—
Shader Model
5.1
5.1
▲ Specs Compare
Data sourced from official specifications and benchmark tests.