NVIDIA Tesla P4 vs AMD Radeon R9 M395X
GPU · Specs Compare
Graphics Card
Release Date
Sep 2016
May 2015
Generation
Tesla
Crystal System
Type
Professional
Mobile
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
886 MHz
—
Boost Clock
1114 MHz
—
Memory Clock
1502 MHz
1250 MHz
Memory
Memory Size
8GB
8GB
Memory Type
GDDR5
GDDR5
Memory Bus
256bit
256bit
Bandwidth
192.3GB/s
160.0GB/s
Render Config
SM Count
20
—
Shading Units
2560
2048
TMUs
160
128
ROPs
64
32
L1 Cache
48 KB (per SM)
16 KB (per CU)
L2 Cache
2 MB
512 KB
Compute Units
—
32
Theoretical Performance
Pixel Rate
71.30 GPixel/s
23.14 GPixel/s
Texture Rate
178.2 GTexel/s
92.54 GTexel/s
FP16 (half)
89.12 GFLOPS
2.961 TFLOPS
FP32 (float)
5.704 TFLOPS
2.961 TFLOPS
FP64 (double)
178.2 GFLOPS
185.1 GFLOPS
Graphics Processor
GPU Name
GP104
Amethyst
GPU Variant
GP104-895-A1
Amethyst XT
Architecture
Pascal
GCN 3.0
Foundry
TSMC
TSMC
Process Size
16 nm
28 nm
Transistors
7.2 billion
5 billion
Die Size
314 mm²
366 mm²
Board Design
TDP
75W
75W
Suggested PSU
250 W
—
Outputs
No outputs
No outputs
Power Connectors
None
None
Graphics Features
DirectX
12 (12_1)
12 (12_0)
OpenGL
4.6
4.6
OpenCL
3.0
2.0
Vulkan
1.3
1.2
CUDA
6.1
—
Shader Model
6.4
6.3
Benchmark
3DMark Time Spy
—
2,514
▲ Specs Compare
Data sourced from official specifications and benchmark tests.