AMD Radeon RX 640 Mobile vs AMD Radeon E9174 MXM

VS

AMD Radeon RX 640 Mobile

AMD Radeon E9174 MXM

We compared two Mobile platform GPUs: 2GB VRAM Radeon RX 640 Mobile and 4GB VRAM Radeon E9174 MXM 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 1 years and 7 months late

128 additional rendering cores

AMD Radeon E9174 MXM 's Advantages

Boost Clock has increased by 0% (1219MHz vs 1218MHz)

More VRAM (4GB vs 2GB)

Larger VRAM bandwidth (96.00GB/s vs 48.00GB/s)

Score

Benchmark

FP32 (float)

Radeon RX 640 Mobile +24%

1.559 TFLOPS

Radeon E9174 MXM

1.248 TFLOPS

Radeon RX 640 Mobile

VS

Radeon E9174 MXM

Graphics Card

May 2019

Release Date

Oct 2017

Mobility Radeon

Generation

Embedded

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

MXM-A (3.0)

Clock Speeds

1082 MHz

Base Clock

1124 MHz

1218 MHz

Boost Clock

1219 MHz

1500 MHz

Memory Clock

1500 MHz

Memory

2GB

Memory Size

4GB

GDDR5

Memory Type

GDDR5

64bit

Memory Bus

128bit

48.00GB/s

Bandwidth

96.00GB/s

Render Config

10

Compute Units

8

-

640

Shading Units

512

40

TMUs

32

16

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

512 KB

-

Theoretical Performance

19.49 GPixel/s

Pixel Rate

19.50 GPixel/s

48.72 GTexel/s

Texture Rate

39.01 GTexel/s

1.559 TFLOPS

FP16 (half)

1248 GFLOPS

1.559 TFLOPS

FP32 (float)

1248 GFLOPS

97.44 GFLOPS

FP64 (double)

78.02 GFLOPS

Board Design

50W

TDP

50W

-

No outputs

Outputs

No outputs

None

Power Connectors

None

Graphics Processor

Polaris 23

GPU Name

Lexa

Polaris 23 XT

GPU Variant

E9170

GCN 4.0

Architecture

GCN 4.0

GlobalFoundries

Foundry

GlobalFoundries

14 nm

Process Size

14 nm

2.2 billion

Transistors

2.2 billion

103 mm²

Die Size

103 mm²

Graphics Features

12 (12_0)

DirectX

12 (12_0)

4.6

OpenGL

4.6

2.1

OpenCL

2.1

1.2

Vulkan

1.2

-

6.4

Shader Model

6.4

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