AMD Radeon R9 M395 Mac Edition vs NVIDIA Tesla K20c

GPU · Specs Compare

Products
GPU AMD Radeon R9 M395 Mac Edition AMD · 2015-05
GPU NVIDIA Tesla K20c NVIDIA · 2012-11
Graphics Card
Release Date
May 2015
Nov 2012
Generation
Crystal System
Tesla
Type
Mobile
Professional
Bus Interface
MXM-B (3.0)
PCIe 2.0 x16
Clock Speeds
Memory Clock
1365 MHz
1300 MHz
Memory
Memory Size
2GB
5GB
Memory Type
GDDR5
GDDR5
Memory Bus
256bit
320bit
Bandwidth
174.7GB/s
208.0GB/s
Render Config
Compute Units
28
—
Shading Units
1792
2496
TMUs
112
208
ROPs
32
40
L1 Cache
—
16 KB (per SMX)
L2 Cache
—
1280 KB
Theoretical Performance
Pixel Rate
26.69 GPixel/s
36.71 GPixel/s
Texture Rate
93.41 GTexel/s
146.8 GTexel/s
FP32 (float)
2.989 TFLOPS
3.524 TFLOPS
FP64 (double)
373.6 GFLOPS
1175 GFLOPS
Graphics Processor
GPU Name
Amethyst
GK110
GPU Variant
Amethyst PRO(216-0872004)
GK110-885-KA-A1
Architecture
GCN 3.0
Kepler
Foundry
TSMC
TSMC
Process Size
28 nm
28 nm
Transistors
5 billion
7.08 billion
Die Size
366 mm²
561 mm²
Board Design
TDP
250W
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.