Arc A380 vs Radeon RX 455 OEM
We compared two Desktop platform GPUs: 6GB VRAM Arc A380 and 2GB VRAM Radeon RX 455 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
Arc A380 's Advantages
Released 6 years late
Boost Clock2050MHz
More VRAM (6GB vs 2GB)
Larger VRAM bandwidth (186.0GB/s vs 104.0GB/s)
256 additional rendering cores
Lower TDP (75W vs 100W)
Score
Benchmark
FP32 (float)
Arc A380
+160%
4198
Radeon RX 455 OEM
1613
Graphics Card
Jun 2022
Release Date
Jun 2016
Alchemist(Arc 3)
Generation
Arctic Islands
Desktop
Type
Desktop
PCIe 4.0 x8
Bus Interface
PCIe 3.0 x16
Clock Speeds
2000 MHz
Base Clock
-
2050 MHz
Boost Clock
-
1937 MHz
Memory Clock
1625 MHz
Memory
6GB
Memory Size
2GB
GDDR6
Memory Type
GDDR5
96bit
Memory Bus
128bit
186.0GB/s
Bandwidth
104.0GB/s
Render Config
-
Compute Units
12
1024
Shading Units
768
64
TMUs
48
32
ROPs
16
128
Tensor Cores
-
8
RT Cores
-
-
L1 Cache
16 KB (per CU)
4 MB
L2 Cache
256 KB
Theoretical Performance
65.60 GPixel/s
Pixel Rate
16.80 GPixel/s
131.2 GTexel/s
Texture Rate
50.40 GTexel/s
8.397 TFLOPS
FP16 (half)
-
4.198 TFLOPS
FP32 (float)
1.613 TFLOPS
1050 GFLOPS
FP64 (double)
100.8 GFLOPS
Board Design
75W
TDP
100W
250 W
Suggested PSU
300 W
1x HDMI 2.13x DisplayPort 2.0
Outputs
1x DVI
1x HDMI 1.4a
1x DisplayPort 1.2
1x 8-pin
Power Connectors
1x 6-pin
Graphics Processor
DG2-128
GPU Name
Tobago
ACM-G11
GPU Variant
Tobago PRO
(215-0875010)
Generation 12.7
Architecture
GCN 2.0
TSMC
Foundry
TSMC
6 nm
Process Size
28 nm
7.2 billion
Transistors
2.08 billion
157 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
