Radeon R9 280 vs Arc A780
We compared two Desktop platform GPUs: 3GB VRAM Radeon R9 280 and 16GB VRAM Arc A780 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
Arc A780 's Advantages
Boost Clock has increased by 136% (2200MHz vs 933MHz)
More VRAM (16GB vs 3GB)
Larger VRAM bandwidth (559.6GB/s vs 240.0GB/s)
2304 additional rendering cores
Score
Benchmark
FP32 (float)
Radeon R9 280
3344
Arc A780
+438%
18020
Graphics Card
Mar 2014
Release Date
Unknown
Volcanic Islands
Generation
Alchemist(Arc 7)
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 4.0 x16
Clock Speeds
827 MHz
Base Clock
2200 MHz
933 MHz
Boost Clock
2200 MHz
1250 MHz
Memory Clock
1093 MHz
Memory
3GB
Memory Size
16GB
GDDR5
Memory Type
GDDR6X
384bit
Memory Bus
256bit
240.0GB/s
Bandwidth
559.6GB/s
Render Config
28
Compute Units
-
1792
Shading Units
4096
112
TMUs
256
32
ROPs
128
-
Tensor Cores
512
-
RT Cores
32
16 KB (per CU)
L1 Cache
-
768 KB
L2 Cache
16 MB
Theoretical Performance
29.86 GPixel/s
Pixel Rate
281.6 GPixel/s
104.5 GTexel/s
Texture Rate
563.2 GTexel/s
-
FP16 (half)
36.04 TFLOPS
3.344 TFLOPS
FP32 (float)
18.02 TFLOPS
836.0 GFLOPS
FP64 (double)
2.253 TFLOPS
Board Design
200W
TDP
200W
550 W
Suggested PSU
550 W
1x DVI
2x HDMI 1.4a
1x DisplayPort 1.2
Outputs
1x HDMI 2.13x DisplayPort 2.0
1x 6-pin + 1x 8-pin
Power Connectors
2x 8-pin
Graphics Processor
Tahiti
GPU Name
DG2-512
Tahiti PRO3
(215-0821330)
GPU Variant
ACM-G10
GCN 1.0
Architecture
Generation 12.7
TSMC
Foundry
TSMC
28 nm
Process Size
6 nm
4.313 billion
Transistors
21.7 billion
352 mm²
Die Size
406 mm²
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
5.1
Shader Model
6.6
