GPU Comparison
RADEON
AMD Radeon R9 M395X
CORE STATE
Amethyst
VRAM
8 GB
CLOCK SPEED
—
TDP
75 W
BUS WIDTH
256 bit
ARCHITECTURE
GCN 3.0
PROCESS
28 nm
LAUNCH DATE
2015
VS
GEFORCE
Tesla P4
CORE STATE
GP104
VRAM
8 GB
CLOCK SPEED
1114 MHz
TDP
75 W
BUS WIDTH
256 bit
ARCHITECTURE
Pascal
PROCESS
16 nm
LAUNCH DATE
2016
PERFORMANCE BENCHMARKS
geekbench_metal
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
R9 M395X
Tesla P4
Core Specs
Shading Units
2,048
2,560
+25.0%
Shaders
2,048
2,560
+25.0%
TMUs
128
160
+25.0%
ROPs
32
64
+100.0%
Compute Units
32
—
SM Count
—
20
Clocks
Base Clock
—
886 MHz
Boost Clock
—
1114 MHz
GPU Clock
723 MHz
—
Memory Clock
1250 MHz
5 Gbps effective
1502 MHz
6 Gbps effective
Memory
Memory Size
8 GB
8 GB
VRAM (MB)
8,192
8,192
0.0%
Memory Type
GDDR5
GDDR5
Memory Bus
256 bit
256 bit
Bandwidth
160.0 GB/s
192.3 GB/s
Cache
L1 Cache
16 KB (per CU)
48 KB (per SM)
L2 Cache
512 KB
2 MB
Performance
Pixel Rate
23.14 GPixel/s
71.30 GPixel/s
Texture Rate
92.54 GTexel/s
178.2 GTexel/s
FP32 (TFLOPS)
2.961 TFLOPS
5.704 TFLOPS
FP64 (TFLOPS)
185.1 GFLOPS (1:16)
178.2 GFLOPS (1:32)
FP16 (TFLOPS)
2.961 TFLOPS (1:1)
89.12 GFLOPS (1:64)
Power
TDP
75 W
75 W
TDP (W)
75
75
0.0%
Suggested PSU
—
250 W
Power Connectors
None
None
Architecture
Architecture
GCN 3.0
Pascal
GPU Name
Amethyst
GP104
Generation
Gem System
(R9 M300)
Tesla Pascal
(Pxx)
Process Size
28 nm
16 nm
Transistors
5,000 million
7,200 million
Die Size
366 mm²
314 mm²
Foundry
TSMC
TSMC
Density
13.7M / mm²
22.9M / mm²
API Support
DirectX
12 (12_0)
12 (12_1)
OpenGL
4.6
4.6
Vulkan
1.2.170
1.4
OpenCL
2.1
3.0
CUDA
—
6.1
Shader Model
6.5
6.8
Physical
Slot Width
MXM Module
Single-slot
Length
—
168 mm
6.6 inches
Outputs
Portable Device Dependent
No outputs
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
Other
Production
End-of-life
End-of-life
Predecessor
Solar System
Tesla Maxwell
Successor
Polaris Mobile
Tesla Volta