AMD Radeon RX 640 Mobile vs ATI Mobility Radeon HD 540v

VS

AMD Radeon RX 640 Mobile

ATI Mobility Radeon HD 540v

We compared two Mobile platform GPUs: 2GB VRAM Radeon RX 640 Mobile and 512MB VRAM Mobility Radeon HD 540v 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 9 years late

Boost Clock1218MHz

More VRAM (2GB vs 512GB)

Larger VRAM bandwidth (48.00GB/s vs 12.80GB/s)

560 additional rendering cores

ATI Mobility Radeon HD 540v 's Advantages

Lower TDP (15W vs 50W)

Score

Benchmark

FP32 (float)

Radeon RX 640 Mobile +1671%

1.559 TFLOPS

Mobility Radeon HD 540v

0.088 TFLOPS

Radeon RX 640 Mobile

VS

Mobility Radeon HD 540v

Graphics Card

May 2019

Release Date

May 2010

Mobility Radeon

Generation

M9x

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

MXM-A (3.0)

Clock Speeds

1082 MHz

Base Clock

-

1218 MHz

Boost Clock

-

1500 MHz

Memory Clock

800 MHz

Memory

2GB

Memory Size

512MB

GDDR5

Memory Type

GDDR3

64bit

Memory Bus

64bit

48.00GB/s

Bandwidth

12.80GB/s

Render Config

10

Compute Units

1

-

640

Shading Units

80

40

TMUs

8

16

ROPs

4

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

64 KB

-

Theoretical Performance

19.49 GPixel/s

Pixel Rate

2.200 GPixel/s

48.72 GTexel/s

Texture Rate

4.400 GTexel/s

1.559 TFLOPS

FP16 (half)

-

1.559 TFLOPS

FP32 (float)

88.00 GFLOPS

97.44 GFLOPS

FP64 (double)

-

Board Design

50W

TDP

15W

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

Polaris 23

GPU Name

M92

Polaris 23 XT

GPU Variant

-

GCN 4.0

Architecture

TeraScale

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

55 nm

2.2 billion

Transistors

0.242 billion

103 mm²

Die Size

73 mm²

Graphics Features

12 (12_0)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3

2.1

OpenCL

1.1

1.2

Vulkan

N/A

-

6.4

Shader Model

4.1

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