Intel Arc A580 vs AMD Radeon RX 455 OEM
We compared two Desktop platform GPUs: 8GB VRAM Arc A580 and 2GB VRAM Radeon RX 455 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
Intel Arc A580 's Advantages
Released 7 years and 4 months late
Boost Clock2000MHz
More VRAM (8GB vs 2GB)
Larger VRAM bandwidth (512.0GB/s vs 104.0GB/s)
2304 additional rendering cores
AMD Radeon RX 455 OEM 's Advantages
Lower TDP (100W vs 175W)
Score
Benchmark
FP32 (float)
Arc A580
+661%
12.29 TFLOPS
Radeon RX 455 OEM
1.613 TFLOPS
Graphics Card
Oct 2023
Release Date
Jun 2016
Alchemist(Arc 5)
Generation
Arctic Islands
Desktop
Type
Desktop
PCIe 4.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
1700 MHz
Base Clock
-
2000 MHz
Boost Clock
-
2000 MHz
Memory Clock
1625 MHz
Memory
8GB
Memory Size
2GB
GDDR6
Memory Type
GDDR5
256bit
Memory Bus
128bit
512.0GB/s
Bandwidth
104.0GB/s
Render Config
-
Compute Units
12
-
-
-
3072
Shading Units
768
192
TMUs
48
96
ROPs
16
384
Tensor Cores
-
24
RT Cores
-
-
L1 Cache
16 KB (per CU)
8 MB
L2 Cache
256 KB
-
-
-
Theoretical Performance
192.0 GPixel/s
Pixel Rate
16.80 GPixel/s
384.0 GTexel/s
Texture Rate
50.40 GTexel/s
24.58 TFLOPS
FP16 (half)
-
12.29 TFLOPS
FP32 (float)
1.613 TFLOPS
1.536 TFLOPS
FP64 (double)
100.8 GFLOPS
Board Design
175W
TDP
100W
450 W
Suggested PSU
300 W
1x HDMI 2.13x DisplayPort 2.0
Outputs
1x DVI
1x HDMI 1.4a
1x DisplayPort 1.2
2x 8-pin
Power Connectors
1x 6-pin
Graphics Processor
DG2-512
GPU Name
Tobago
ACM-G10
GPU Variant
Tobago PRO
(215-0875010)
Generation 12.7
Architecture
GCN 2.0
TSMC
Foundry
TSMC
6 nm
Process Size
28 nm
21.7 billion
Transistors
2.08 billion
406 mm²
Die Size
160 mm²
Graphics Features
12 Ultimate (12_2)
DirectX
12 (12_0)
4.6
OpenGL
4.6
3.0
OpenCL
2.0
1.3
Vulkan
1.2
-
-
-
6.6
Shader Model
6.3
