AMD Radeon R9 M395X Mac Edition vs NVIDIA Quadro P620 Mobile
GPU Specs Compare
Graphics Card
Release Date
May 2015
Feb 2018
Generation
Crystal System
Quadro Mobile
Type
Mobile
Professional
Bus Interface
MXM-B (3.0)
PCIe 3.0 x16
Clock Speeds
Memory Clock
1365 MHz
1502 MHz
Base Clock
-
1177 MHz
Boost Clock
-
1443 MHz
Memory
Memory Size
4GB
4GB
Memory Type
GDDR5
GDDR5
Memory Bus
256bit
128bit
Bandwidth
174.7GB/s
96.13GB/s
Render Config
Compute Units
32
-
Shading Units
2048
512
TMUs
128
32
ROPs
32
16
L1 Cache
16 KB (per CU)
48 KB (per SM)
L2 Cache
512 KB
1024 KB
SM Count
-
4
Theoretical Performance
Pixel Rate
29.09 GPixel/s
23.09 GPixel/s
Texture Rate
116.4 GTexel/s
46.18 GTexel/s
FP16 (half)
3.723 TFLOPS
23.09 GFLOPS
FP32 (float)
3.723 TFLOPS
1478 GFLOPS
FP64 (double)
232.7 GFLOPS
46.18 GFLOPS
Graphics Processor
GPU Name
Amethyst
GP107
GPU Variant
Amethyst XT
-
Architecture
GCN 3.0
Pascal
Foundry
TSMC
Samsung
Process Size
28 nm
14 nm
Transistors
5 billion
3.3 billion
Die Size
366 mm²
132 mm²
Board Design
TDP
250W
40W
Outputs
No outputs
No outputs
Power Connectors
None
None
Graphics Features
DirectX
12 (12_0)
12 (12_1)
OpenGL
4.6
4.6
OpenCL
2.0
3.0
Vulkan
1.2
1.3
Shader Model
6.3
6.4
CUDA
-
6.1