Intel Arc A770M vs AMD Radeon Pro 455

VS

Intel Arc A770M

AMD Radeon Pro 455

We compared two Mobile platform GPUs: 16GB VRAM Arc A770M and 2GB VRAM Radeon Pro 455 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

Intel Arc A770M 's Advantages

Released 5 years and 3 months late

Boost Clock1650MHz

More VRAM (16GB vs 2GB)

Larger VRAM bandwidth (512.0GB/s vs 81.28GB/s)

3328 additional rendering cores

AMD Radeon Pro 455 's Advantages

Lower TDP (35W vs 120W)

Score

Benchmark

FP32 (float)

Arc A770M +929%

13.52 TFLOPS

Radeon Pro 455

1.313 TFLOPS

Arc A770M

VS

Radeon Pro 455

Graphics Card

Jan 2022

Release Date

Oct 2016

Alchemist

Generation

Radeon Pro Mac

Mobile

Type

Mobile

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

300 MHz

Base Clock

-

1650 MHz

Boost Clock

-

2000 MHz

Memory Clock

1270 MHz

Memory

16GB

Memory Size

2GB

GDDR6

Memory Type

GDDR5

256bit

Memory Bus

128bit

512.0GB/s

Bandwidth

81.28GB/s

Render Config

-

Compute Units

12

-

4096

Shading Units

768

256

TMUs

48

128

ROPs

16

-

32

RT Cores

-

L1 Cache

16 KB (per CU)

16 MB

L2 Cache

1024 KB

-

Theoretical Performance

211.2 GPixel/s

Pixel Rate

13.68 GPixel/s

422.4 GTexel/s

Texture Rate

41.04 GTexel/s

27.03 TFLOPS

FP16 (half)

1313 GFLOPS

13.52 TFLOPS

FP32 (float)

1313 GFLOPS

-

FP64 (double)

82.08 GFLOPS

Board Design

120W

TDP

35W

-

No outputs

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

DG2-512

GPU Name

Baffin

ACM-G10

GPU Variant

Baffin PRO

Generation 12.7

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

6 nm

Process Size

14 nm

21.7 billion

Transistors

3 billion

406 mm²

Die Size

123 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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