NVIDIA Tesla K20m vs AMD Radeon R9 M395 Mac Edition
GPU · Specs Compare
Graphics Card
Release Date
Jan 2013
May 2015
Generation
Tesla
Crystal System
Type
Professional
Mobile
Bus Interface
PCIe 2.0 x16
MXM-B (3.0)
Clock Speeds
Memory Clock
1300 MHz
1365 MHz
Memory
Memory Size
5GB
2GB
Memory Type
GDDR5
GDDR5
Memory Bus
320bit
256bit
Bandwidth
208.0GB/s
174.7GB/s
Render Config
Shading Units
2496
1792
TMUs
208
112
ROPs
40
32
L1 Cache
16 KB (per SMX)
—
L2 Cache
1280 KB
—
Compute Units
—
28
Theoretical Performance
Pixel Rate
36.71 GPixel/s
26.69 GPixel/s
Texture Rate
146.8 GTexel/s
93.41 GTexel/s
FP32 (float)
3.524 TFLOPS
2.989 TFLOPS
FP64 (double)
1175 GFLOPS
373.6 GFLOPS
Graphics Processor
GPU Name
GK110
Amethyst
Architecture
Kepler
GCN 3.0
Foundry
TSMC
TSMC
Process Size
28 nm
28 nm
Transistors
7.08 billion
5 billion
Die Size
561 mm²
366 mm²
GPU Variant
—
Amethyst PRO(216-0872004)
Board Design
TDP
225W
250W
Suggested PSU
550 W
—
Outputs
No outputs
No outputs
Power Connectors
1x 6-pin + 1x 8-pin
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.