Radeon R9 280 vs A2
We compared two Desktop platform GPUs: 3GB VRAM Radeon R9 280 and 16GB VRAM A2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
Radeon R9 280 's Advantages
Larger VRAM bandwidth (240.0GB/s vs 200.1GB/s)
512 additional rendering cores
A2 's Advantages
Released 7 years and 8 months late
Boost Clock has increased by 90% (1770MHz vs 933MHz)
More VRAM (16GB vs 3GB)
Lower TDP (60W vs 200W)
Score
Benchmark
FP32 (float)
Radeon R9 280
3344
A2
+35%
4531
Graphics Card
Mar 2014
Release Date
Nov 2021
Volcanic Islands
Generation
Quadro
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 4.0 x8
Clock Speeds
827 MHz
Base Clock
1440 MHz
933 MHz
Boost Clock
1770 MHz
1250 MHz
Memory Clock
1563 MHz
Memory
3GB
Memory Size
16GB
GDDR5
Memory Type
GDDR6
384bit
Memory Bus
128bit
240.0GB/s
Bandwidth
200.1GB/s
Render Config
28
Compute Units
-
-
SM Count
10
1792
Shading Units
1280
112
TMUs
40
32
ROPs
32
-
Tensor Cores
40
-
RT Cores
10
16 KB (per CU)
L1 Cache
128 KB (per SM)
768 KB
L2 Cache
2 MB
Theoretical Performance
29.86 GPixel/s
Pixel Rate
56.64 GPixel/s
104.5 GTexel/s
Texture Rate
70.80 GTexel/s
-
FP16 (half)
4.531 TFLOPS
3.344 TFLOPS
FP32 (float)
4.531 TFLOPS
836.0 GFLOPS
FP64 (double)
70.80 GFLOPS
Board Design
200W
TDP
60W
550 W
Suggested PSU
250 W
1x DVI
2x HDMI 1.4a
1x DisplayPort 1.2
Outputs
No outputs
1x 6-pin + 1x 8-pin
Power Connectors
None
Graphics Processor
Tahiti
GPU Name
GA107
Tahiti PRO3
(215-0821330)
GPU Variant
-
GCN 1.0
Architecture
Ampere
TSMC
Foundry
Samsung
28 nm
Process Size
8 nm
4.313 billion
Transistors
Unknown
352 mm²
Die Size
Unknown
Graphics Features
12 (11_1)
DirectX
12 Ultimate (12_2)
4.6
OpenGL
4.6
1.2
OpenCL
3.0
1.2
Vulkan
1.3
-
CUDA
8.6
5.1
Shader Model
6.6