AMD Radeon Pro 555X vs Intel Arc A770M

VS

AMD Radeon Pro 555X

Intel Arc A770M

We compared two Mobile platform GPUs: 4GB VRAM Radeon Pro 555X and 16GB VRAM Arc A770M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon Pro 555X 's Advantages

Lower TDP (75W vs 120W)

Intel Arc A770M 's Advantages

Released 3 years and 6 months late

Boost Clock1650MHz

More VRAM (16GB vs 4GB)

Larger VRAM bandwidth (512.0GB/s vs 94.08GB/s)

3328 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon Pro 555X

1.393 TFLOPS

Arc A770M +870%

13.52 TFLOPS

Radeon Pro 555X

VS

Arc A770M

Graphics Card

Jul 2018

Release Date

Jan 2022

Radeon Pro Mac

Generation

Alchemist

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

300 MHz

-

Boost Clock

1650 MHz

1470 MHz

Memory Clock

2000 MHz

Memory

4GB

Memory Size

16GB

GDDR5

Memory Type

GDDR6

128bit

Memory Bus

256bit

94.08GB/s

Bandwidth

512.0GB/s

Render Config

12

Compute Units

-

768

Shading Units

4096

48

TMUs

256

16

ROPs

128

-

RT Cores

32

16 KB (per CU)

L1 Cache

-

1024 KB

L2 Cache

16 MB

-

Theoretical Performance

14.51 GPixel/s

Pixel Rate

211.2 GPixel/s

43.54 GTexel/s

Texture Rate

422.4 GTexel/s

1393 GFLOPS

FP16 (half)

27.03 TFLOPS

1393 GFLOPS

FP32 (float)

13.52 TFLOPS

87.07 GFLOPS

FP64 (double)

-

Board Design

75W

TDP

120W

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

Polaris 21

GPU Name

DG2-512

Polaris 21 PRO

GPU Variant

ACM-G10

GCN 4.0

Architecture

Generation 12.7

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

6 nm

3 billion

Transistors

21.7 billion

123 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

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