Radeon R9 280 vs Radeon Pro Duo
We compared two Desktop platform GPUs: 3GB VRAM Radeon R9 280 and 4GB VRAM Radeon Pro Duo to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
Radeon R9 280 's Advantages
Boost Clock933MHz
Lower TDP (200W vs 350W)
Radeon Pro Duo 's Advantages
Released 2 years and 1 months late
More VRAM (4GB vs 3GB)
Larger VRAM bandwidth (512.0GB/s vs 240.0GB/s)
2304 additional rendering cores
Score
Benchmark
FP32 (float)
Radeon R9 280
3344
Radeon Pro Duo
+144%
8192
3DMark Time Spy
Radeon R9 280
2009
Radeon Pro Duo
+150%
5028
Graphics Card
Mar 2014
Release Date
Apr 2016
Volcanic Islands
Generation
Radeon Pro
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
827 MHz
Base Clock
-
933 MHz
Boost Clock
-
1250 MHz
Memory Clock
500 MHz
Memory
3GB
Memory Size
4GB
GDDR5
Memory Type
HBM
384bit
Memory Bus
4096bit
240.0GB/s
Bandwidth
512.0GB/s
Render Config
28
Compute Units
64
1792
Shading Units
4096
112
TMUs
256
32
ROPs
64
16 KB (per CU)
L1 Cache
16 KB (per CU)
768 KB
L2 Cache
2 MB
Theoretical Performance
29.86 GPixel/s
Pixel Rate
64.00 GPixel/s
104.5 GTexel/s
Texture Rate
256.0 GTexel/s
-
FP16 (half)
8.192 TFLOPS
3.344 TFLOPS
FP32 (float)
8.192 TFLOPS
836.0 GFLOPS
FP64 (double)
512.0 GFLOPS
Board Design
200W
TDP
350W
550 W
Suggested PSU
750 W
1x DVI
2x HDMI 1.4a
1x DisplayPort 1.2
Outputs
1x HDMI 1.4a
3x DisplayPort 1.2
1x 6-pin + 1x 8-pin
Power Connectors
3x 8-pin
Graphics Processor
Tahiti
GPU Name
Capsaicin
Tahiti PRO3
(215-0821330)
GPU Variant
Capsaicin XT
GCN 1.0
Architecture
GCN 3.0
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
4.313 billion
Transistors
8.9 billion
352 mm²
Die Size
596 mm²
Graphics Features
12 (11_1)
DirectX
12 (12_0)
4.6
OpenGL
4.6
1.2
OpenCL
2.0
1.2
Vulkan
1.2
5.1
Shader Model
6.0
