AMD Radeon RX 640 Mobile vs Intel Arc A770M

VS

AMD Radeon RX 640 Mobile Intel Arc A770M

We compared two Mobile platform GPUs: 2GB VRAM Radeon RX 640 Mobile and 16GB VRAM Arc A770M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 640 Mobile 's Advantages

Lower TDP (50W vs 120W)

Intel Arc A770M 's Advantages

Released 2 years and 8 months late

Boost Clock has increased by 35% (1650MHz vs 1218MHz)

More VRAM (16GB vs 2GB)

Larger VRAM bandwidth (512.0GB/s vs 48.00GB/s)

3456 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX 640 Mobile

1.559 TFLOPS

Arc A770M +767%

13.52 TFLOPS

Radeon RX 640 Mobile

VS

Arc A770M

Graphics Card

May 2019

Release Date

Jan 2022

Mobility Radeon

Generation

Alchemist

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 4.0 x16

Clock Speeds

1082 MHz

Base Clock

300 MHz

1218 MHz

Boost Clock

1650 MHz

1500 MHz

Memory Clock

2000 MHz

Memory

2GB

Memory Size

16GB

GDDR5

Memory Type

GDDR6

64bit

Memory Bus

256bit

48.00GB/s

Bandwidth

512.0GB/s

Render Config

-

SM Count

-

10

Compute Units

-

640

Shading Units

4096

40

TMUs

256

16

ROPs

128

-

Tensor Cores

-

RT Cores

32

16 KB (per CU)

L1 Cache

-

512 KB

L2 Cache

16 MB

Theoretical Performance

19.49 GPixel/s

Pixel Rate

211.2 GPixel/s

48.72 GTexel/s

Texture Rate

422.4 GTexel/s

1.559 TFLOPS

FP16 (half)

27.03 TFLOPS

1.559 TFLOPS

FP32 (float)

13.52 TFLOPS

97.44 GFLOPS

FP64 (double)

-

Graphics Processor

Polaris 23

GPU Name

DG2-512

Polaris 23 XT

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

Board Design

50W

TDP

120W

-

Suggested PSU

-

No outputs

Outputs

No outputs

None

Power Connectors

-

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

-

CUDA

-

6.4

Shader Model

6.6

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