NVIDIA Tesla K20Xm vs AMD Radeon R9 M395 Mac Edition

GPU · Specs Compare

Products
GPU NVIDIA Tesla K20Xm NVIDIA · 2012-11
GPU AMD Radeon R9 M395 Mac Edition AMD · 2015-05
Graphics Card
Release Date
Nov 2012
May 2015
Generation
Tesla
Crystal System
Type
Professional
Mobile
Bus Interface
PCIe 3.0 x16
MXM-B (3.0)
Clock Speeds
Memory Clock
1300 MHz
1365 MHz
Memory
Memory Size
6GB
2GB
Memory Type
GDDR5
GDDR5
Memory Bus
384bit
256bit
Bandwidth
249.6GB/s
174.7GB/s
Render Config
Shading Units
2688
1792
TMUs
224
112
ROPs
48
32
L1 Cache
16 KB (per SMX)
—
L2 Cache
1536 KB
—
Compute Units
—
28
Theoretical Performance
Pixel Rate
40.99 GPixel/s
26.69 GPixel/s
Texture Rate
164.0 GTexel/s
93.41 GTexel/s
FP32 (float)
3.935 TFLOPS
2.989 TFLOPS
FP64 (double)
1312 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
235W
250W
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.