AMD Radeon HD 6970M vs AMD Radeon HD 8550M

VS

AMD Radeon HD 6970M

AMD Radeon HD 8550M

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 6970M and 1024MB VRAM Radeon HD 8550M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6970M 's Advantages

Larger VRAM bandwidth (115.2GB/s vs 14.40GB/s)

640 additional rendering cores

AMD Radeon HD 8550M 's Advantages

Released 3 years and 6 months late

Boost Clock850MHz

Score

Benchmark

FP32 (float)

Radeon HD 6970M +140%

1.306 TFLOPS

Radeon HD 8550M

0.544 TFLOPS

Radeon HD 6970M

VS

Radeon HD 8550M

Graphics Card

Jan 2011

Release Date

Jul 2014

Vancouver

Generation

Solar System

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

650 MHz

-

Boost Clock

850 MHz

900 MHz

Memory Clock

900 MHz

Memory

1024MB

Memory Size

1024MB

GDDR5

Memory Type

DDR3

256bit

Memory Bus

64bit

115.2GB/s

Bandwidth

14.40GB/s

Render Config

12

Compute Units

5

-

960

Shading Units

320

48

TMUs

20

32

ROPs

8

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

128 KB

-

Theoretical Performance

21.76 GPixel/s

Pixel Rate

6.800 GPixel/s

32.64 GTexel/s

Texture Rate

17.00 GTexel/s

-

1306 GFLOPS

FP32 (float)

544.0 GFLOPS

-

FP64 (double)

34.00 GFLOPS

Board Design

75W

TDP

Unknown

-

No outputs

Outputs

Portable Device Dependent

None

Power Connectors

-

Graphics Processor

Blackcomb

GPU Name

Sun

Blackcomb XT (216-0811000)

GPU Variant

Sun S3 LE (216-0841036)

TeraScale 2

Architecture

GCN 1.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

1.7 billion

Transistors

0.69 billion

212 mm²

Die Size

56 mm²

Graphics Features

11.2 (11_0)

DirectX

12 (11_1)

4.4

OpenGL

4.6

1.2

OpenCL

2.1 (1.2)

N/A

Vulkan

1.2.170

-

5.0

Shader Model

6.5 (5.1)

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