AMD Radeon R9 M390 Mac Edition vs NVIDIA Tesla K20Xm
GPU · Specs Compare
Graphics Card
Release Date
May 2015
Nov 2012
Generation
Crystal System
Tesla
Type
Mobile
Professional
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
Clock Speeds
Memory Clock
1365 MHz
1300 MHz
Memory
Memory Size
2GB
6GB
Memory Type
GDDR5
GDDR5
Memory Bus
256bit
384bit
Bandwidth
174.7GB/s
249.6GB/s
Render Config
Compute Units
16
—
Shading Units
1024
2688
TMUs
64
224
ROPs
32
48
L1 Cache
16 KB (per CU)
16 KB (per SMX)
L2 Cache
512 KB
1536 KB
Theoretical Performance
Pixel Rate
30.66 GPixel/s
40.99 GPixel/s
Texture Rate
61.31 GTexel/s
164.0 GTexel/s
FP32 (float)
1.962 TFLOPS
3.935 TFLOPS
FP64 (double)
122.6 GFLOPS
1312 GFLOPS
Graphics Processor
GPU Name
Pitcairn
GK110
GPU Variant
Pitcairn PRO(215-0828062)
—
Architecture
GCN 1.0
Kepler
Foundry
TSMC
TSMC
Process Size
28 nm
28 nm
Transistors
2.8 billion
7.08 billion
Die Size
212 mm²
561 mm²
Board Design
TDP
80W
235W
Outputs
No outputs
No outputs
Power Connectors
None
—
Suggested PSU
—
550 W
Graphics Features
DirectX
12 (11_1)
12 (11_0)
OpenGL
4.6
4.6
OpenCL
1.2
3.0
Vulkan
1.2
1.1
Shader Model
5.1
5.1
CUDA
—
3.5
▲ Specs Compare
Data sourced from official specifications and benchmark tests.