AMD Radeon RX 640 Mobile vs Intel Arc A380M

VS

AMD Radeon RX 640 Mobile

Intel Arc A380M

We compared two Mobile platform GPUs: 2GB VRAM Radeon RX 640 Mobile and 6GB VRAM Arc A380M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

Intel Arc A380M 's Advantages

Released 3 years and 8 months late

Boost Clock has increased by 64% (2000MHz vs 1218MHz)

More VRAM (6GB vs 2GB)

Larger VRAM bandwidth (186.0GB/s vs 48.00GB/s)

384 additional rendering cores

Lower TDP (35W vs 50W)

Score

Benchmark

FP32 (float)

Radeon RX 640 Mobile

1.559 TFLOPS

Arc A380M +162%

4.096 TFLOPS

Radeon RX 640 Mobile

VS

Arc A380M

Graphics Card

May 2019

Release Date

Jan 2023

Mobility Radeon

Generation

Alchemist

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

MXM-A (3.1)

Clock Speeds

1082 MHz

Base Clock

1550 MHz

1218 MHz

Boost Clock

2000 MHz

1500 MHz

Memory Clock

1937 MHz

Memory

2GB

Memory Size

6GB

GDDR5

Memory Type

GDDR6

64bit

Memory Bus

96bit

48.00GB/s

Bandwidth

186.0GB/s

Render Config

10

Compute Units

-

640

Shading Units

1024

40

TMUs

64

16

ROPs

32

-

Tensor Cores

128

-

RT Cores

8

16 KB (per CU)

L1 Cache

-

512 KB

L2 Cache

4 MB

-

Theoretical Performance

19.49 GPixel/s

Pixel Rate

64.00 GPixel/s

48.72 GTexel/s

Texture Rate

128.0 GTexel/s

1.559 TFLOPS

FP16 (half)

8.192 TFLOPS

1.559 TFLOPS

FP32 (float)

4.096 TFLOPS

97.44 GFLOPS

FP64 (double)

1024 GFLOPS

Board Design

50W

TDP

35W

-

No outputs

Outputs

Portable Device Dependent

None

Power Connectors

-

Graphics Processor

Polaris 23

GPU Name

DG2-128

Polaris 23 XT

GPU Variant

ACM-G11

GCN 4.0

Architecture

Generation 12.7

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

6 nm

2.2 billion

Transistors

7.2 billion

103 mm²

Die Size

157 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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