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 P40
CORE STATE
GP102
VRAM
24 GB
CLOCK SPEED
1531 MHz
TDP
250 W
BUS WIDTH
384 bit
ARCHITECTURE
Pascal
PROCESS
16 nm
LAUNCH DATE
2016
PERFORMANCE BENCHMARKS
geekbench_metal
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
R9 M395X
Tesla P40
Core Specs
Shading Units
2,048
3,840
+87.5%
Shaders
2,048
3,840
+87.5%
TMUs
128
240
+87.5%
ROPs
32
96
+200.0%
Compute Units
32
—
SM Count
—
30
Clocks
Base Clock
—
1303 MHz
Boost Clock
—
1531 MHz
GPU Clock
723 MHz
—
Memory Clock
1250 MHz
5 Gbps effective
1808 MHz
7.2 Gbps effective
Memory
Memory Size
8 GB
24 GB
VRAM (MB)
8,192
24,576
+200.0%
Memory Type
GDDR5
GDDR5
Memory Bus
256 bit
384 bit
Bandwidth
160.0 GB/s
347.1 GB/s
Cache
L1 Cache
16 KB (per CU)
48 KB (per SM)
L2 Cache
512 KB
3 MB
Performance
Pixel Rate
23.14 GPixel/s
147.0 GPixel/s
Texture Rate
92.54 GTexel/s
367.4 GTexel/s
FP32 (TFLOPS)
2.961 TFLOPS
11.76 TFLOPS
FP64 (TFLOPS)
185.1 GFLOPS (1:16)
367.4 GFLOPS (1:32)
FP16 (TFLOPS)
2.961 TFLOPS (1:1)
183.7 GFLOPS (1:64)
Power
TDP
75 W
250 W
TDP (W)
75
250
+233.3%
Suggested PSU
—
600 W
Power Connectors
None
8-pin EPS
Architecture
Architecture
GCN 3.0
Pascal
GPU Name
Amethyst
GP102
Generation
Gem System
(R9 M300)
Tesla Pascal
(Pxx)
Process Size
28 nm
16 nm
Transistors
5,000 million
11,800 million
Die Size
366 mm²
471 mm²
Foundry
TSMC
TSMC
Density
13.7M / mm²
25.1M / 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
Dual-slot
Length
—
267 mm
10.5 inches
Height
—
111 mm
4.4 inches
Outputs
Portable Device Dependent
No outputs
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
Other
Launch Price
—
5,699 USD
Production
End-of-life
End-of-life
Predecessor
Solar System
Tesla Maxwell
Successor
Polaris Mobile
Tesla Volta