AMD P30PH vs AMD Radeon R9 M390X
GPU Specs Compare
Graphics Card
Release Date
Unknown
May 2015
Generation
Mining GPUs
Crystal System
Type
Desktop
Mobile
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
1120 MHz
-
Boost Clock
1206 MHz
-
Memory Clock
2100 MHz
1250 MHz
Memory
Memory Size
4GB
4GB
Memory Type
GDDR5
GDDR5
Memory Bus
256bit
256bit
Bandwidth
268.8GB/s
160.0GB/s
Render Config
Compute Units
32
32
Shading Units
2048
2048
TMUs
128
128
ROPs
32
32
L1 Cache
16 KB (per CU)
16 KB (per CU)
L2 Cache
2 MB
512 KB
Theoretical Performance
Pixel Rate
38.59 GPixel/s
23.14 GPixel/s
Texture Rate
154.4 GTexel/s
92.54 GTexel/s
FP16 (half)
4.940 TFLOPS
2.961 TFLOPS
FP32 (float)
4.940 TFLOPS
2.961 TFLOPS
FP64 (double)
308.7 GFLOPS
185.1 GFLOPS
Graphics Processor
GPU Name
Polaris 20
Amethyst
Architecture
GCN 4.0
GCN 3.0
Foundry
GlobalFoundries
TSMC
Process Size
14 nm
28 nm
Transistors
5.7 billion
5 billion
Die Size
232 mm²
366 mm²
GPU Variant
-
Amethyst XT
Board Design
TDP
180W
75W
Suggested PSU
450 W
-
Outputs
1x HDMI 2.0b
No outputs
Power Connectors
2x 8-pin
None
Graphics Features
DirectX
12 (12_0)
12 (12_0)
OpenGL
4.6
4.6
OpenCL
2.1
2.0
Vulkan
1.3
1.2
Shader Model
6.7
6.3