AMD Radeon R9 280X vs AMD P30PH
We compared two Desktop platform GPUs: 3GB VRAM Radeon R9 280X and 4GB VRAM P30PH to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon R9 280X 's Advantages
Larger VRAM bandwidth (288.0GB/s vs 268.8GB/s)
AMD P30PH 's Advantages
Boost Clock has increased by 21% (1206MHz vs 1000MHz)
More VRAM (4GB vs 3GB)
Lower TDP (180W vs 250W)
Score
Benchmark
FP32 (float)
Radeon R9 280X
4.096 TFLOPS
P30PH
+20%
4.94 TFLOPS
Graphics Card
Oct 2013
Release Date
Unknown
Volcanic Islands
Generation
Mining GPUs
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
850 MHz
Base Clock
1120 MHz
1000 MHz
Boost Clock
1206 MHz
1500 MHz
Memory Clock
2100 MHz
Memory
3GB
Memory Size
4GB
GDDR5
Memory Type
GDDR5
384bit
Memory Bus
256bit
288.0GB/s
Bandwidth
268.8GB/s
Render Config
32
Compute Units
32
-
-
-
2048
Shading Units
2048
128
TMUs
128
32
ROPs
32
-
-
-
-
-
-
16 KB (per CU)
L1 Cache
16 KB (per CU)
768 KB
L2 Cache
2 MB
-
-
-
Theoretical Performance
32.00 GPixel/s
Pixel Rate
38.59 GPixel/s
128.0 GTexel/s
Texture Rate
154.4 GTexel/s
-
FP16 (half)
4.940 TFLOPS
4.096 TFLOPS
FP32 (float)
4.940 TFLOPS
1024 GFLOPS
FP64 (double)
308.7 GFLOPS
Board Design
250W
TDP
180W
600 W
Suggested PSU
450 W
2x DVI
1x HDMI 1.4a
1x DisplayPort 1.2
Outputs
1x HDMI 2.0b
1x 6-pin + 1x 8-pin
Power Connectors
2x 8-pin
Graphics Processor
Tahiti
GPU Name
Polaris 20
Tahiti XTL
(215-0821065)
GPU Variant
-
GCN 1.0
Architecture
GCN 4.0
TSMC
Foundry
GlobalFoundries
28 nm
Process Size
14 nm
4.313 billion
Transistors
5.7 billion
352 mm²
Die Size
232 mm²
Graphics Features
12 (11_1)
DirectX
12 (12_0)
4.6
OpenGL
4.6
1.2
OpenCL
2.1
1.2
Vulkan
1.3
-
-
-
5.1
Shader Model
6.7
