AMD Radeon E8870 vs NVIDIA Tesla K20c
GPU · Specs Compare
Graphics Card
Release Date
Sep 2015
Nov 2012
Generation
Embedded
Tesla
Type
Mobile
Professional
Bus Interface
MXM-B (3.0)
PCIe 2.0 x16
Clock Speeds
Memory Clock
1500 MHz
1300 MHz
Memory
Memory Size
4GB
5GB
Memory Type
GDDR5
GDDR5
Memory Bus
128bit
320bit
Bandwidth
96.00GB/s
208.0GB/s
Render Config
Compute Units
12
—
Shading Units
768
2496
TMUs
48
208
ROPs
16
40
L1 Cache
16 KB (per CU)
16 KB (per SMX)
L2 Cache
256 KB
1280 KB
Theoretical Performance
Pixel Rate
16.00 GPixel/s
36.71 GPixel/s
Texture Rate
48.00 GTexel/s
146.8 GTexel/s
FP32 (float)
1.536 TFLOPS
3.524 TFLOPS
FP64 (double)
96.00 GFLOPS
1175 GFLOPS
Graphics Processor
GPU Name
Saturn
GK110
GPU Variant
Saturn PRO
GK110-885-KA-A1
Architecture
GCN 2.0
Kepler
Foundry
TSMC
TSMC
Process Size
28 nm
28 nm
Transistors
2.08 billion
7.08 billion
Die Size
160 mm²
561 mm²
Board Design
TDP
75W
225W
Outputs
No outputs
No outputs
Power Connectors
None
1x 6-pin + 1x 8-pin
Suggested PSU
—
550 W
Graphics Features
DirectX
12 (12_0)
12 (11_0)
OpenGL
4.6
4.6
OpenCL
2.0
3.0
Vulkan
1.2
1.1
Shader Model
6.3
5.1
CUDA
—
3.5
Benchmark
OctaneBench
—
55
▲ Specs Compare
Data sourced from official specifications and benchmark tests.