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
Quadro P400
CORE STATE
GP107
VRAM
2 GB
CLOCK SPEED
1252 MHz
TDP
30 W
BUS WIDTH
64 bit
ARCHITECTURE
Pascal
PROCESS
14 nm
LAUNCH DATE
2017
PERFORMANCE BENCHMARKS
geekbench_metal
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
R9 M395X
Quadro P400
Core Specs
Shading Units
2,048
256
-87.5%
Shaders
2,048
256
-87.5%
TMUs
128
16
-87.5%
ROPs
32
16
-50.0%
Compute Units
32
—
SM Count
—
2
Clocks
Base Clock
—
1228 MHz
Boost Clock
—
1252 MHz
GPU Clock
723 MHz
—
Memory Clock
1250 MHz
5 Gbps effective
1002 MHz
4 Gbps effective
Memory
Memory Size
8 GB
2 GB
VRAM (MB)
8,192
2,048
-75.0%
Memory Type
GDDR5
GDDR5
Memory Bus
256 bit
64 bit
Bandwidth
160.0 GB/s
32.06 GB/s
Cache
L1 Cache
16 KB (per CU)
48 KB (per SM)
L2 Cache
512 KB
512 KB
Performance
Pixel Rate
23.14 GPixel/s
20.03 GPixel/s
Texture Rate
92.54 GTexel/s
20.03 GTexel/s
FP32 (TFLOPS)
2.961 TFLOPS
641.0 GFLOPS
FP64 (TFLOPS)
185.1 GFLOPS (1:16)
20.03 GFLOPS (1:32)
FP16 (TFLOPS)
2.961 TFLOPS (1:1)
10.02 GFLOPS (1:64)
Power
TDP
75 W
30 W
TDP (W)
75
30
-60.0%
Suggested PSU
—
200 W
Power Connectors
None
None
Architecture
Architecture
GCN 3.0
Pascal
GPU Name
Amethyst
GP107
Generation
Gem System
(R9 M300)
Quadro Pascal
(Px000)
Process Size
28 nm
14 nm
Transistors
5,000 million
3,300 million
Die Size
366 mm²
132 mm²
Foundry
TSMC
Samsung
Density
13.7M / mm²
25.0M / 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
—
150 mm
5.9 inches
Height
—
69 mm
2.7 inches
Outputs
Portable Device Dependent
3x mini-DisplayPort 1.4a
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
Other
Production
End-of-life
End-of-life
Predecessor
Solar System
Quadro Maxwell
Successor
Polaris Mobile
Quadro Volta