AMD Radeon HD 7850M vs AMD Radeon HD 8750M

VS

AMD Radeon HD 7850M

AMD Radeon HD 8750M

We compared two Mobile platform GPUs: 2GB VRAM Radeon HD 7850M and 1024MB VRAM Radeon HD 8750M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7850M 's Advantages

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (64.00GB/s vs 28.80GB/s)

256 additional rendering cores

AMD Radeon HD 8750M 's Advantages

Released 10 months late

Boost Clock825MHz

Score

Benchmark

FP32 (float)

Radeon HD 7850M +36%

0.864 TFLOPS

Radeon HD 8750M

0.633 TFLOPS

Radeon HD 7850M

VS

Radeon HD 8750M

Graphics Card

Apr 2012

Release Date

Feb 2013

London

Generation

Solar System

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

775 MHz

-

Boost Clock

825 MHz

1000 MHz

Memory Clock

900 MHz

Memory

2GB

Memory Size

1024MB

GDDR5

Memory Type

DDR3

128bit

Memory Bus

128bit

64.00GB/s

Bandwidth

28.80GB/s

Render Config

10

Compute Units

6

-

640

Shading Units

384

40

TMUs

24

16

ROPs

8

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

256 KB

-

Theoretical Performance

10.80 GPixel/s

Pixel Rate

6.600 GPixel/s

27.00 GTexel/s

Texture Rate

19.80 GTexel/s

-

864.0 GFLOPS

FP32 (float)

633.6 GFLOPS

54.00 GFLOPS

FP64 (double)

39.60 GFLOPS

Board Design

40W

TDP

Unknown

-

No outputs

Outputs

Portable Device Dependent

-

Graphics Processor

Heathrow

GPU Name

Mars

Heathrow PRO

GPU Variant

Mars S3 XT (216-0842018)

GCN 1.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

1.5 billion

Transistors

0.95 billion

123 mm²

Die Size

77 mm²

Graphics Features

12 (11_1)

DirectX

12 (11_1)

4.6

OpenGL

4.6

1.2

OpenCL

2.1 (1.2)

1.2

Vulkan

1.2.170

-

5.1

Shader Model

6.5 (5.1)

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