AMD Radeon R9 M290X vs AMD P30PH
GPU Specs Compare
Graphics Card
Release Date
Jan 2014
Unknown
Generation
Gem System
Mining GPUs
Type
Mobile
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
850 MHz
1120 MHz
Boost Clock
900 MHz
1206 MHz
Memory Clock
1200 MHz
2100 MHz
Memory
Memory Size
4GB
4GB
Memory Type
GDDR5
GDDR5
Memory Bus
256bit
256bit
Bandwidth
153.6GB/s
268.8GB/s
Render Config
Compute Units
20
32
Shading Units
1280
2048
TMUs
80
128
ROPs
32
32
L1 Cache
16 KB (per CU)
16 KB (per CU)
L2 Cache
512 KB
2 MB
Theoretical Performance
Pixel Rate
28.80 GPixel/s
38.59 GPixel/s
Texture Rate
72.00 GTexel/s
154.4 GTexel/s
FP32 (float)
2.304 TFLOPS
4.940 TFLOPS
FP64 (double)
144.0 GFLOPS
308.7 GFLOPS
FP16 (half)
-
4.940 TFLOPS
Graphics Processor
GPU Name
Neptune
Polaris 20
GPU Variant
Neptune XT(216-0847000)
-
Architecture
GCN 1.0
GCN 4.0
Foundry
TSMC
GlobalFoundries
Process Size
28 nm
14 nm
Transistors
2.8 billion
5.7 billion
Die Size
212 mm²
232 mm²
Board Design
TDP
100W
180W
Outputs
Portable Device Dependent
1x HDMI 2.0b
Power Connectors
None
2x 8-pin
Suggested PSU
-
450 W
Graphics Features
DirectX
12 (11_1)
12 (12_0)
OpenGL
4.6
4.6
OpenCL
2.1 (1.2)
2.1
Vulkan
1.2.170
1.3
Shader Model
6.5 (5.1)
6.7