AMD Radeon HD 7850M vs AMD Radeon Pro 575X

VS

AMD Radeon HD 7850M

AMD Radeon Pro 575X

We compared two Mobile platform GPUs: 2GB VRAM Radeon HD 7850M and 4GB VRAM Radeon Pro 575X 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 150W)

AMD Radeon Pro 575X 's Advantages

Released 6 years and 11 months late

More VRAM (4GB vs 2GB)

Larger VRAM bandwidth (217.6GB/s vs 64.00GB/s)

1408 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 7850M

0.864 TFLOPS

Radeon Pro 575X +419%

4.489 TFLOPS

Radeon HD 7850M

VS

Radeon Pro 575X

Graphics Card

Apr 2012

Release Date

Mar 2019

London

Generation

Radeon Pro Mac

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

1000 MHz

Memory Clock

1700 MHz

Memory

2GB

Memory Size

4GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

256bit

64.00GB/s

Bandwidth

217.6GB/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

35.07 GPixel/s

27.00 GTexel/s

Texture Rate

140.3 GTexel/s

-

FP16 (half)

4.489 TFLOPS

864.0 GFLOPS

FP32 (float)

4.489 TFLOPS

54.00 GFLOPS

FP64 (double)

280.6 GFLOPS

Board Design

40W

TDP

150W

-

No outputs

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

Heathrow

GPU Name

Polaris 20

Heathrow PRO

GPU Variant

Polaris 20 XL (215-0910052)

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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