AMD Radeon RX 640 Mobile vs AMD Radeon R5 M240

VS

AMD Radeon RX 640 Mobile

AMD Radeon R5 M240

We compared two Mobile platform GPUs: 2GB VRAM Radeon RX 640 Mobile and 1024MB VRAM Radeon R5 M240 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 4 years and 8 months late

Boost Clock has increased by 18% (1218MHz vs 1030MHz)

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (48.00GB/s vs 14.40GB/s)

320 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX 640 Mobile +136%

1.559 TFLOPS

Radeon R5 M240

0.659 TFLOPS

Radeon RX 640 Mobile

VS

Radeon R5 M240

Graphics Card

May 2019

Release Date

Sep 2014

Mobility Radeon

Generation

Crystal System

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 3.0 x8

Clock Speeds

1082 MHz

Base Clock

1000 MHz

1218 MHz

Boost Clock

1030 MHz

1500 MHz

Memory Clock

900 MHz

Memory

2GB

Memory Size

1024MB

GDDR5

Memory Type

DDR3

64bit

Memory Bus

64bit

48.00GB/s

Bandwidth

14.40GB/s

Render Config

10

Compute Units

5

-

640

Shading Units

320

40

TMUs

20

16

ROPs

8

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

128 KB

-

Theoretical Performance

19.49 GPixel/s

Pixel Rate

8.240 GPixel/s

48.72 GTexel/s

Texture Rate

20.60 GTexel/s

1.559 TFLOPS

FP16 (half)

-

1.559 TFLOPS

FP32 (float)

659.2 GFLOPS

97.44 GFLOPS

FP64 (double)

41.20 GFLOPS

Board Design

50W

TDP

Unknown

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

Polaris 23

GPU Name

Jet

Polaris 23 XT

GPU Variant

Jet XT

GCN 4.0

Architecture

GCN 1.0

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

28 nm

2.2 billion

Transistors

0.69 billion

103 mm²

Die Size

56 mm²

Graphics Features

12 (12_0)

DirectX

12 (11_1)

4.6

OpenGL

4.6

2.1

OpenCL

1.2

Vulkan

1.2

-

6.4

Shader Model

5.1

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