AMD Radeon 550X 640SP vs Intel Arc A780
We compared two Desktop platform GPUs: 4GB VRAM Radeon 550X 640SP and 16GB VRAM Arc A780 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon 550X 640SP 's Advantages
Lower TDP (50W vs 200W)
Intel Arc A780 's Advantages
Boost Clock has increased by 105% (2200MHz vs 1071MHz)
More VRAM (16GB vs 4GB)
Larger VRAM bandwidth (559.6GB/s vs 48.00GB/s)
3456 additional rendering cores
Score
Benchmark
FP32 (float)
Radeon 550X 640SP
1.371 TFLOPS
Arc A780
+1214%
18.02 TFLOPS
Graphics Card
Apr 2018
Release Date
Unknown
Polaris
Generation
Alchemist(Arc 7)
Desktop
Type
Desktop
PCIe 3.0 x8
Bus Interface
PCIe 4.0 x16
Clock Speeds
1019 MHz
Base Clock
2200 MHz
1071 MHz
Boost Clock
2200 MHz
1500 MHz
Memory Clock
1093 MHz
Memory
4GB
Memory Size
16GB
GDDR5
Memory Type
GDDR6X
64bit
Memory Bus
256bit
48.00GB/s
Bandwidth
559.6GB/s
Render Config
10
Compute Units
-
-
-
-
640
Shading Units
4096
40
TMUs
256
16
ROPs
128
-
Tensor Cores
512
-
RT Cores
32
16 KB (per CU)
L1 Cache
-
256 KB
L2 Cache
16 MB
-
-
-
Theoretical Performance
17.14 GPixel/s
Pixel Rate
281.6 GPixel/s
42.84 GTexel/s
Texture Rate
563.2 GTexel/s
1371 GFLOPS
FP16 (half)
36.04 TFLOPS
1371 GFLOPS
FP32 (float)
18.02 TFLOPS
85.68 GFLOPS
FP64 (double)
2.253 TFLOPS
Board Design
50W
TDP
200W
250 W
Suggested PSU
550 W
1x DVI
1x HDMI 2.0b
1x DisplayPort 1.4a
Outputs
1x HDMI 2.13x DisplayPort 2.0
None
Power Connectors
2x 8-pin
Graphics Processor
Lexa
GPU Name
DG2-512
Lexa PRO
(215-0904018)
GPU Variant
ACM-G10
GCN 4.0
Architecture
Generation 12.7
GlobalFoundries
Foundry
TSMC
14 nm
Process Size
6 nm
2.2 billion
Transistors
21.7 billion
103 mm²
Die Size
406 mm²
Graphics Features
12 (12_0)
DirectX
12 Ultimate (12_2)
4.6
OpenGL
4.6
2.1
OpenCL
3.0
1.2
Vulkan
1.3
-
-
-
6.4
Shader Model
6.6
