AMD Radeon R9 280 vs AMD P30PH
GPU Specs Compare
Graphics Card
Release Date
Mar 2014
Unknown
Generation
Volcanic Islands
Mining GPUs
Type
Desktop
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
827 MHz
1120 MHz
Boost Clock
933 MHz
1206 MHz
Memory Clock
1250 MHz
2100 MHz
Memory
Memory Size
3GB
4GB
Memory Type
GDDR5
GDDR5
Memory Bus
384bit
256bit
Bandwidth
240.0GB/s
268.8GB/s
Render Config
Compute Units
28
32
Shading Units
1792
2048
TMUs
112
128
ROPs
32
32
L1 Cache
16 KB (per CU)
16 KB (per CU)
L2 Cache
768 KB
2 MB
Theoretical Performance
Pixel Rate
29.86 GPixel/s
38.59 GPixel/s
Texture Rate
104.5 GTexel/s
154.4 GTexel/s
FP32 (float)
3.344 TFLOPS
4.940 TFLOPS
FP64 (double)
836.0 GFLOPS
308.7 GFLOPS
FP16 (half)
-
4.940 TFLOPS
Graphics Processor
GPU Name
Tahiti
Polaris 20
GPU Variant
Tahiti PRO3(215-0821330)
-
Architecture
GCN 1.0
GCN 4.0
Foundry
TSMC
GlobalFoundries
Process Size
28 nm
14 nm
Transistors
4.313 billion
5.7 billion
Die Size
352 mm²
232 mm²
Board Design
TDP
200W
180W
Suggested PSU
550 W
450 W
Outputs
1x DVI2x HDMI 1.4a1x DisplayPort 1.2
1x HDMI 2.0b
Power Connectors
1x 6-pin + 1x 8-pin
2x 8-pin
Graphics Features
DirectX
12 (11_1)
12 (12_0)
OpenGL
4.6
4.6
OpenCL
1.2
2.1
Vulkan
1.2
1.3
Shader Model
5.1
6.7