AMD Radeon HD 7850M vs AMD Radeon RX 470 Mobile

VS

AMD Radeon HD 7850M

AMD Radeon RX 470 Mobile

We compared two Mobile platform GPUs: 2GB VRAM Radeon HD 7850M and 8GB VRAM Radeon RX 470 Mobile to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7850M 's Advantages

Lower TDP (40W vs 85W)

AMD Radeon RX 470 Mobile 's Advantages

Released 4 years and 4 months late

Boost Clock1074MHz

More VRAM (8GB vs 2GB)

Larger VRAM bandwidth (224.0GB/s vs 64.00GB/s)

1408 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 7850M

0.864 TFLOPS

Radeon RX 470 Mobile +409%

4.399 TFLOPS

Radeon HD 7850M

VS

Radeon RX 470 Mobile

Graphics Card

Apr 2012

Release Date

Aug 2016

London

Generation

Mobility Radeon

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

MXM-B (3.0)

Clock Speeds

-

Base Clock

926 MHz

-

Boost Clock

1074 MHz

1000 MHz

Memory Clock

1750 MHz

Memory

2GB

Memory Size

8GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

256bit

64.00GB/s

Bandwidth

224.0GB/s

Render Config

10

Compute Units

32

-

640

Shading Units

2048

40

TMUs

128

16

ROPs

32

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

2 MB

-

Theoretical Performance

10.80 GPixel/s

Pixel Rate

34.37 GPixel/s

27.00 GTexel/s

Texture Rate

137.5 GTexel/s

-

FP16 (half)

4.399 TFLOPS

864.0 GFLOPS

FP32 (float)

4.399 TFLOPS

54.00 GFLOPS

FP64 (double)

274.9 GFLOPS

Board Design

40W

TDP

85W

-

No outputs

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

Heathrow

GPU Name

Ellesmere

Heathrow PRO

GPU Variant

Ellesmere PRO

GCN 1.0

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

28 nm

Process Size

14 nm

1.5 billion

Transistors

5.7 billion

123 mm²

Die Size

232 mm²

Graphics Features

12 (11_1)

DirectX

12 (12_0)

4.6

OpenGL

4.6

1.2

OpenCL

2.1

1.2

Vulkan

1.2

-

5.1

Shader Model

6.4

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