AMD Radeon HD 8550M vs AMD Radeon HD 7970M

VS

AMD Radeon HD 8550M

AMD Radeon HD 7970M

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 8550M and 2GB VRAM Radeon HD 7970M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 8550M 's Advantages

Released 2 years and 3 months late

Boost Clock850MHz

AMD Radeon HD 7970M 's Advantages

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (153.6GB/s vs 14.40GB/s)

960 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 8550M

0.544 TFLOPS

Radeon HD 7970M +300%

2.176 TFLOPS

Radeon HD 8550M

VS

Radeon HD 7970M

Graphics Card

Jul 2014

Release Date

Apr 2012

Solar System

Generation

London

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

MXM-B (3.0)

Clock Speeds

650 MHz

Base Clock

-

850 MHz

Boost Clock

-

900 MHz

Memory Clock

1200 MHz

Memory

1024MB

Memory Size

2GB

DDR3

Memory Type

GDDR5

64bit

Memory Bus

256bit

14.40GB/s

Bandwidth

153.6GB/s

Render Config

5

Compute Units

20

-

320

Shading Units

1280

20

TMUs

80

8

ROPs

32

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

128 KB

L2 Cache

512 KB

-

Theoretical Performance

6.800 GPixel/s

Pixel Rate

27.20 GPixel/s

17.00 GTexel/s

Texture Rate

68.00 GTexel/s

-

544.0 GFLOPS

FP32 (float)

2.176 TFLOPS

34.00 GFLOPS

FP64 (double)

136.0 GFLOPS

Board Design

Unknown

TDP

100W

-

Portable Device Dependent

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

Sun

GPU Name

Wimbledon

Sun S3 LE (216-0841036)

GPU Variant

Wimbledon XT (216-0836036)

GCN 1.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

0.69 billion

Transistors

2.8 billion

56 mm²

Die Size

212 mm²

Graphics Features

12 (11_1)

DirectX

12 (11_1)

4.6

OpenGL

4.6

2.1 (1.2)

OpenCL

1.2

1.2.170

Vulkan

1.2

-

6.5 (5.1)

Shader Model

5.1

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