NVIDIA Tesla K40m vs AMD Radeon R9 M390 Mac Edition
GPU Specs Compare
Graphics Card
Release Date
Nov 2013
May 2015
Generation
Tesla
Crystal System
Type
Professional
Mobile
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
745 MHz
-
Boost Clock
876 MHz
-
Memory Clock
1502 MHz
1365 MHz
Memory
Memory Size
12GB
2GB
Memory Type
GDDR5
GDDR5
Memory Bus
384bit
256bit
Bandwidth
288.4GB/s
174.7GB/s
Render Config
Shading Units
2880
1024
TMUs
240
64
ROPs
48
32
L1 Cache
16 KB (per SMX)
16 KB (per CU)
L2 Cache
1536 KB
512 KB
Compute Units
-
16
Theoretical Performance
Pixel Rate
52.56 GPixel/s
30.66 GPixel/s
Texture Rate
210.2 GTexel/s
61.31 GTexel/s
FP32 (float)
5.046 TFLOPS
1.962 TFLOPS
FP64 (double)
1.682 TFLOPS
122.6 GFLOPS
Graphics Processor
GPU Name
GK110B
Pitcairn
Architecture
Kepler
GCN 1.0
Foundry
TSMC
TSMC
Process Size
28 nm
28 nm
Transistors
7.08 billion
2.8 billion
Die Size
561 mm²
212 mm²
GPU Variant
-
Pitcairn PRO(215-0828062)
Board Design
TDP
245W
80W
Suggested PSU
550 W
-
Outputs
No outputs
No outputs
Power Connectors
-
None
Graphics Features
DirectX
12 (11_1)
12 (11_1)
OpenGL
4.6
4.6
OpenCL
3.0
1.2
Vulkan
1.1
1.2
CUDA
3.5
-
Shader Model
5.1
5.1