AMD Radeon RX 640 Mobile vs AMD Radeon R9 M470

VS

AMD Radeon RX 640 Mobile

AMD Radeon R9 M470

We compared two Mobile platform GPUs: 2GB VRAM Radeon RX 640 Mobile and 4GB VRAM Radeon R9 M470 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 3 years late

Boost Clock has increased by 22% (1218MHz vs 1000MHz)

AMD Radeon R9 M470 's Advantages

More VRAM (4GB vs 2GB)

Larger VRAM bandwidth (88.00GB/s vs 48.00GB/s)

128 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX 640 Mobile +1%

1.559 TFLOPS

Radeon R9 M470

1.536 TFLOPS

Radeon RX 640 Mobile

VS

Radeon R9 M470

Graphics Card

May 2019

Release Date

May 2016

Mobility Radeon

Generation

Gem System

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 3.0 x16

Clock Speeds

1082 MHz

Base Clock

900 MHz

1218 MHz

Boost Clock

1000 MHz

1500 MHz

Memory Clock

1375 MHz

Memory

2GB

Memory Size

4GB

GDDR5

Memory Type

GDDR5

64bit

Memory Bus

128bit

48.00GB/s

Bandwidth

88.00GB/s

Render Config

10

Compute Units

12

-

640

Shading Units

768

40

TMUs

48

16

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

256 KB

-

Theoretical Performance

19.49 GPixel/s

Pixel Rate

16.00 GPixel/s

48.72 GTexel/s

Texture Rate

48.00 GTexel/s

1.559 TFLOPS

FP16 (half)

-

1.559 TFLOPS

FP32 (float)

1.536 TFLOPS

97.44 GFLOPS

FP64 (double)

96.00 GFLOPS

Board Design

50W

TDP

Unknown

-

No outputs

Outputs

Portable Device Dependent

None

Power Connectors

-

Graphics Processor

Polaris 23

GPU Name

Emerald

Polaris 23 XT

GPU Variant

Emerald PRO

GCN 4.0

Architecture

GCN 2.0

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

28 nm

2.2 billion

Transistors

2.08 billion

103 mm²

Die Size

160 mm²

Graphics Features

12 (12_0)

DirectX

12 (12_0)

4.6

OpenGL

4.6

2.1

OpenCL

2.1

1.2

Vulkan

1.2.170

-

6.4

Shader Model

6.5

Related GPU Comparisons

1

AMD Radeon RX 640 Mobile vs NVIDIA GeForce GTX 675MX

2

AMD Radeon RX 640 Mobile vs NVIDIA RTX 1000 Mobile Ada Generation

3

AMD Radeon RX 640 Mobile vs NVIDIA GeForce GTX 1660 Ti Mobile

4

AMD Radeon RX 640 Mobile vs AMD Radeon HD 6625M

5

AMD Radeon RX 640 Mobile vs AMD Radeon R9 M275

6

AMD Radeon RX 640 Mobile vs NVIDIA GeForce GT 745M

7

AMD Radeon RX 640 Mobile vs AMD Radeon HD 6750M

8

AMD Radeon RX 640 Mobile vs AMD FirePro W7170M

9

AMD Radeon RX 640 Mobile vs NVIDIA NVS 2100M

10

AMD Radeon RX 640 Mobile vs NVIDIA GeForce 310M

Related News

1

The Commencement of ARM and Qualcomm Licensing Dispute Trial: Potential Major Impact on PC Market

2

NVIDIA Allegedly Equips RTX 5080 with 30Gbps Memory Speed, Other Models to Feature 28Gbps

3

Intel Reports High Return Rates for Devices Featuring Snapdragon X Series; Qualcomm Counters with 'Industry Standard' Claim

4

Intel Confirms Panther Lake Adopts 18A Process, ES0 Samples Already Sent to Customers

5

Complete Lineup of Core Ultra 200HX/H/U and Core 200H/U Revealed: 31 Models to Dazzle the Eyes

6

Amechi Unveils V1 Mini PC: Only 0.33L Volume with 150W Power Consumption

7

iPhone 17 Series Set for Major Design Overhaul: Camera Module Transformed into Sleek Strip

8

The Thinnest iPhone Ever! iPhone 17 Air Reportedly Enters Foxconn's NPI Stage

9

Apple Allegedly Cancels M4 Extreme, Originally Planned for Mac Pro with 64-Core CPU and 160-Core GPU

10

Cyberpunk 2077 Update 2.2: Intel Arrow Lake Gaming Performance Soars by 33%!