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 M4
CORE STATE
GM206
VRAM
4 GB
CLOCK SPEED
1072 MHz
TDP
50 W
BUS WIDTH
128 bit
ARCHITECTURE
Maxwell 2.0
PROCESS
28 nm
LAUNCH DATE
2015
PERFORMANCE BENCHMARKS
geekbench_metal
geekbench_opencl
DETAILED SPECIFICATIONS
SPECIFICATION
R9 M395X
Tesla M4
Core Specs
Shading Units
2,048
1,024
-50.0%
Shaders
2,048
1,024
-50.0%
TMUs
128
64
-50.0%
ROPs
32
32
0.0%
Compute Units
32
—
Clocks
Base Clock
—
872 MHz
Boost Clock
—
1072 MHz
GPU Clock
723 MHz
—
Memory Clock
1250 MHz
5 Gbps effective
1375 MHz
5.5 Gbps effective
Memory
Memory Size
8 GB
4 GB
VRAM (MB)
8,192
4,096
-50.0%
Memory Type
GDDR5
GDDR5
Memory Bus
256 bit
128 bit
Bandwidth
160.0 GB/s
88.00 GB/s
Cache
L1 Cache
16 KB (per CU)
48 KB (per SMM)
L2 Cache
512 KB
1024 KB
Performance
Pixel Rate
23.14 GPixel/s
34.30 GPixel/s
Texture Rate
92.54 GTexel/s
68.61 GTexel/s
FP32 (TFLOPS)
2.961 TFLOPS
2.195 TFLOPS
FP64 (TFLOPS)
185.1 GFLOPS (1:16)
68.61 GFLOPS (1:32)
FP16 (TFLOPS)
2.961 TFLOPS (1:1)
—
Power
TDP
75 W
50 W
TDP (W)
75
50
-33.3%
Suggested PSU
—
250 W
Power Connectors
None
—
Architecture
Architecture
GCN 3.0
Maxwell 2.0
GPU Name
Amethyst
GM206
Generation
Gem System
(R9 M300)
Tesla Maxwell
(Mxx)
Process Size
28 nm
28 nm
Transistors
5,000 million
2,940 million
Die Size
366 mm²
228 mm²
Foundry
TSMC
TSMC
Density
13.7M / mm²
12.9M / 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
—
5.2
Shader Model
6.5
6.8
Physical
Slot Width
MXM Module
Single-slot
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 Kepler
Successor
Polaris Mobile
Tesla Pascal