ATI Mobility Radeon HD 3450 vs AMD Radeon RX 640 Mobile

VS

ATI Mobility Radeon HD 3450

AMD Radeon RX 640 Mobile

We compared two Mobile platform GPUs: 256MB VRAM Mobility Radeon HD 3450 and 2GB VRAM Radeon RX 640 Mobile to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 640 Mobile 's Advantages

Released 11 years and 4 months late

Boost Clock1218MHz

More VRAM (2GB vs 256GB)

Larger VRAM bandwidth (48.00GB/s vs 6.400GB/s)

600 additional rendering cores

Score

Benchmark

FP32 (float)

Mobility Radeon HD 3450

0.04 TFLOPS

Radeon RX 640 Mobile +3797%

1.559 TFLOPS

Mobility Radeon HD 3450

VS

Radeon RX 640 Mobile

Graphics Card

Jan 2008

Release Date

May 2019

M8x

Generation

Mobility Radeon

Mobile

Type

Mobile

MXM-II

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

1082 MHz

-

Boost Clock

1218 MHz

400 MHz

Memory Clock

1500 MHz

Memory

256MB

Memory Size

2GB

DDR2

Memory Type

GDDR5

64bit

Memory Bus

64bit

6.400GB/s

Bandwidth

48.00GB/s

Render Config

2

Compute Units

10

-

40

Shading Units

640

4

TMUs

40

4

ROPs

16

-

L1 Cache

16 KB (per CU)

64 KB

L2 Cache

512 KB

-

Theoretical Performance

2.000 GPixel/s

Pixel Rate

19.49 GPixel/s

2.000 GTexel/s

Texture Rate

48.72 GTexel/s

-

FP16 (half)

1.559 TFLOPS

40.00 GFLOPS

FP32 (float)

1.559 TFLOPS

-

FP64 (double)

97.44 GFLOPS

Board Design

Unknown

TDP

50W

-

Portable Device Dependent

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

M82

GPU Name

Polaris 23

M82-SCE XT (216-0707011)

GPU Variant

Polaris 23 XT

TeraScale

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

55 nm

Process Size

14 nm

0.181 billion

Transistors

2.2 billion

67 mm²

Die Size

103 mm²

Graphics Features

10.1

DirectX

12 (12_0)

3.3

OpenGL

4.6

N/A

OpenCL

2.1

N/A

Vulkan

1.2

-

4.1

Shader Model

6.4

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