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