ATI Mobility Radeon HD 4550 vs AMD Radeon HD 7850M

VS

ATI Mobility Radeon HD 4550

AMD Radeon HD 7850M

We compared two Mobile platform GPUs: 512MB VRAM Mobility Radeon HD 4550 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 HD 7850M 's Advantages

Released 2 years and 3 months late

More VRAM (2GB vs 512GB)

Larger VRAM bandwidth (64.00GB/s vs 11.20GB/s)

560 additional rendering cores

Score

Benchmark

FP32 (float)

Mobility Radeon HD 4550

0.088 TFLOPS

Radeon HD 7850M +881%

0.864 TFLOPS

Mobility Radeon HD 4550

VS

Radeon HD 7850M

Graphics Card

Jan 2010

Release Date

Apr 2012

M9x

Generation

London

Mobile

Type

Mobile

MXM-II

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

700 MHz

Memory Clock

1000 MHz

Memory

512MB

Memory Size

2GB

GDDR3

Memory Type

GDDR5

64bit

Memory Bus

128bit

11.20GB/s

Bandwidth

64.00GB/s

Render Config

1

Compute Units

10

-

80

Shading Units

640

8

TMUs

40

4

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

64 KB

L2 Cache

256 KB

-

Theoretical Performance

2.200 GPixel/s

Pixel Rate

10.80 GPixel/s

4.400 GTexel/s

Texture Rate

27.00 GTexel/s

-

88.00 GFLOPS

FP32 (float)

864.0 GFLOPS

-

FP64 (double)

54.00 GFLOPS

Board Design

Unknown

TDP

40W

-

Portable Device Dependent

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

M93

GPU Name

Heathrow

-

GPU Variant

Heathrow PRO

TeraScale

Architecture

GCN 1.0

TSMC

Foundry

TSMC

55 nm

Process Size

28 nm

0.242 billion

Transistors

1.5 billion

73 mm²

Die Size

123 mm²

Graphics Features

10.1 (10_1)

DirectX

12 (11_1)

3.3

OpenGL

4.6

1.1

OpenCL

1.2

N/A

Vulkan

1.2

-

4.1

Shader Model

5.1

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