Intel Arc A780 vs AMD Radeon 550X 640SP

VS

Intel Arc A780

AMD Radeon 550X 640SP

We compared two Desktop platform GPUs: 16GB VRAM Arc A780 and 4GB VRAM Radeon 550X 640SP to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

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

AMD Radeon 550X 640SP 's Advantages

Lower TDP (50W vs 200W)

Score

Benchmark

FP32 (float)

Arc A780 +1214%

18.02 TFLOPS

Radeon 550X 640SP

1.371 TFLOPS

Arc A780

VS

Radeon 550X 640SP

Graphics Card

Unknown

Release Date

Apr 2018

Alchemist(Arc 7)

Generation

Polaris

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

2200 MHz

Base Clock

1019 MHz

2200 MHz

Boost Clock

1071 MHz

1093 MHz

Memory Clock

1500 MHz

Memory

16GB

Memory Size

4GB

GDDR6X

Memory Type

GDDR5

256bit

Memory Bus

64bit

559.6GB/s

Bandwidth

48.00GB/s

Render Config

-

Compute Units

10

-

4096

Shading Units

640

256

TMUs

40

128

ROPs

16

512

Tensor Cores

-

32

RT Cores

-

L1 Cache

16 KB (per CU)

16 MB

L2 Cache

256 KB

-

Theoretical Performance

281.6 GPixel/s

Pixel Rate

17.14 GPixel/s

563.2 GTexel/s

Texture Rate

42.84 GTexel/s

36.04 TFLOPS

FP16 (half)

1371 GFLOPS

18.02 TFLOPS

FP32 (float)

1371 GFLOPS

2.253 TFLOPS

FP64 (double)

85.68 GFLOPS

Board Design

200W

TDP

50W

550 W

Suggested PSU

250 W

1x HDMI 2.13x DisplayPort 2.0

Outputs

1x DVI 1x HDMI 2.0b 1x DisplayPort 1.4a

2x 8-pin

Power Connectors

None

Graphics Processor

DG2-512

GPU Name

Lexa

ACM-G10

GPU Variant

Lexa PRO (215-0904018)

Generation 12.7

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

6 nm

Process Size

14 nm

21.7 billion

Transistors

2.2 billion

406 mm²

Die Size

103 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 (12_0)

4.6

OpenGL

4.6

3.0

OpenCL

2.1

1.3

Vulkan

1.2

-

6.6

Shader Model

6.4

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