NVIDIA Tesla K20s vs AMD Radeon E8870
GPU · Specs Compare
Graphics Card
Release Date
Feb 2013
Sep 2015
Generation
Tesla
Embedded
Type
Professional
Mobile
Bus Interface
PCIe 2.0 x16
MXM-B (3.0)
Clock Speeds
Memory Clock
1300 MHz
1500 MHz
Memory
Memory Size
5GB
4GB
Memory Type
GDDR5
GDDR5
Memory Bus
320bit
128bit
Bandwidth
208.0GB/s
96.00GB/s
Render Config
Shading Units
2496
768
TMUs
208
48
ROPs
40
16
L1 Cache
16 KB (per SMX)
16 KB (per CU)
L2 Cache
1280 KB
256 KB
Compute Units
—
12
Theoretical Performance
Pixel Rate
29.90 GPixel/s
16.00 GPixel/s
Texture Rate
119.6 GTexel/s
48.00 GTexel/s
FP32 (float)
2.870 TFLOPS
1.536 TFLOPS
FP64 (double)
956.8 GFLOPS
96.00 GFLOPS
Graphics Processor
GPU Name
GK110
Saturn
Architecture
Kepler
GCN 2.0
Foundry
TSMC
TSMC
Process Size
28 nm
28 nm
Transistors
7.08 billion
2.08 billion
Die Size
561 mm²
160 mm²
GPU Variant
—
Saturn PRO
Board Design
TDP
225W
75W
Suggested PSU
550 W
—
Outputs
No outputs
No outputs
Power Connectors
—
None
Graphics Features
DirectX
12 (11_0)
12 (12_0)
OpenGL
4.6
4.6
OpenCL
3.0
2.0
Vulkan
1.1
1.2
CUDA
3.5
—
Shader Model
5.1
6.3
▲ Specs Compare
Data sourced from official specifications and benchmark tests.