AMD Radeon RX 580X Mobile vs AMD Radeon HD 7850M

VS

AMD Radeon RX 580X Mobile

AMD Radeon HD 7850M

We compared two Mobile platform GPUs: 8GB VRAM Radeon RX 580X Mobile and 2GB VRAM Radeon HD 7850M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 580X Mobile 's Advantages

Released 6 years late

Boost Clock1077MHz

More VRAM (8GB vs 2GB)

Larger VRAM bandwidth (256.0GB/s vs 64.00GB/s)

1664 additional rendering cores

AMD Radeon HD 7850M 's Advantages

Lower TDP (40W vs 100W)

Score

Benchmark

FP32 (float)

Radeon RX 580X Mobile +474%

4.963 TFLOPS

Radeon HD 7850M

0.864 TFLOPS

Radeon RX 580X Mobile

VS

Radeon HD 7850M

Graphics Card

Apr 2018

Release Date

Apr 2012

Mobility Radeon

Generation

London

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 3.0 x16

Clock Speeds

1000 MHz

Base Clock

-

1077 MHz

Boost Clock

-

2000 MHz

Memory Clock

1000 MHz

Memory

8GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

128bit

256.0GB/s

Bandwidth

64.00GB/s

Render Config

36

Compute Units

10

-

2304

Shading Units

640

144

TMUs

40

32

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

2 MB

L2 Cache

256 KB

-

Theoretical Performance

34.46 GPixel/s

Pixel Rate

10.80 GPixel/s

155.1 GTexel/s

Texture Rate

27.00 GTexel/s

4.963 TFLOPS

FP16 (half)

-

4.963 TFLOPS

FP32 (float)

864.0 GFLOPS

310.2 GFLOPS

FP64 (double)

54.00 GFLOPS

Board Design

100W

TDP

40W

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

Polaris 20

GPU Name

Heathrow

Polaris 20M XT

GPU Variant

Heathrow PRO

GCN 4.0

Architecture

GCN 1.0

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

28 nm

5.7 billion

Transistors

1.5 billion

232 mm²

Die Size

123 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

Related GPU Comparisons

1

AMD Radeon RX 580X Mobile vs AMD Radeon HD 8690M

2

AMD Radeon RX 580X Mobile vs AMD Radeon RX 7600S

3

AMD Radeon RX 580X Mobile vs NVIDIA GeForce MX450 25W

4

AMD Radeon RX 580X Mobile vs AMD Radeon RX 540X Mobile

5

AMD Radeon RX 580X Mobile vs NVIDIA GeForce GT 540M

6

AMD Radeon RX 580X Mobile vs AMD Radeon HD 6990M Rebrand

7

AMD Radeon RX 580X Mobile vs NVIDIA GeForce GT 445M

8

AMD Radeon RX 580X Mobile vs NVIDIA GeForce GT 130M

9

AMD Radeon RX 580X Mobile vs NVIDIA GeForce GTX 780M

10

AMD Radeon RX 580X Mobile vs AMD Radeon R9 M395 Mac Edition

Related News

1

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

2

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

3

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

4

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

5

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

6

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

7

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

8

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

9

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

10

Intel Finally Achieves Frame Generation! 'F1 24' Becomes the First XeSS 2 Game