AMD Radeon R9 M395 Mac Edition vs NVIDIA Tesla P40
GPU Specs Compare
Graphics Card
Release Date
May 2015
Sep 2016
Generation
Crystal System
Tesla Pascal
Type
Mobile
Professional
Bus Interface
MXM-B (3.0)
PCIe 3.0 x16
Clock Speeds
Memory Clock
1365 MHz
1808 MHz
Base Clock
-
1303 MHz
Boost Clock
-
1531 MHz
Memory
Memory Size
2GB
24GB
Memory Type
GDDR5
GDDR5
Memory Bus
256bit
384bit
Bandwidth
174.7GB/s
347.1GB/s
Render Config
Compute Units
28
-
Shading Units
1792
3840
TMUs
112
240
ROPs
32
96
SM Count
-
30
L1 Cache
-
48 KB (per SM)
L2 Cache
-
3 MB
Theoretical Performance
Pixel Rate
26.69 GPixel/s
147.0 GPixel/s
Texture Rate
93.41 GTexel/s
367.4 GTexel/s
FP32 (float)
2.989 TFLOPS
11.76 TFLOPS
FP64 (double)
373.6 GFLOPS
367.4 GFLOPS
FP16 (half)
-
183.7 GFLOPS
Graphics Processor
GPU Name
Amethyst
GP102
GPU Variant
Amethyst PRO(216-0872004)
-
Architecture
GCN 3.0
Pascal
Foundry
TSMC
TSMC
Process Size
28 nm
16 nm
Transistors
5 billion
11.8 billion
Die Size
366 mm²
471 mm²
Board Design
TDP
250W
250W
Outputs
No outputs
No outputs
Power Connectors
None
8-pin EPS
Suggested PSU
-
600 W
Graphics Features
DirectX
12 (12_0)
12 (12_1)
OpenGL
4.6
4.6
OpenCL
2.0
3.0
Vulkan
1.2
1.3
Shader Model
6.3
6.7
CUDA
-
6.1