AMD Radeon HD 7870M vs AMD Radeon HD 6550A

VS

We compared two Mobile platform GPUs: 2GB VRAM Radeon HD 7870M and 2GB VRAM Radeon HD 6550A to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7870M 's Advantages

Released 1 years and 2 months late

Larger VRAM bandwidth (64.00GB/s vs 25.60GB/s)

160 additional rendering cores

AMD Radeon HD 6550A 's Advantages

Lower TDP (35W vs 45W)

Score

Benchmark

FP32 (float)

Radeon HD 7870M +93%

1.024 TFLOPS

Radeon HD 6550A

0.528 TFLOPS

Radeon HD 7870M

VS

Radeon HD 6550A

Graphics Card

Apr 2012

Release Date

Feb 2011

London

Generation

All-In-One

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

MXM-A (3.0)

Clock Speeds

-

Base Clock

-

Boost Clock

-

1000 MHz

Memory Clock

800 MHz

Memory

2GB

Memory Size

2GB

GDDR5

Memory Type

GDDR3

128bit

Memory Bus

128bit

64.00GB/s

Bandwidth

25.60GB/s

Render Config

-

SM Count

-

10

Compute Units

6

640

Shading Units

480

40

TMUs

24

16

ROPs

8

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

256 KB

L2 Cache

256 KB

Theoretical Performance

12.80 GPixel/s

Pixel Rate

4.400 GPixel/s

32.00 GTexel/s

Texture Rate

13.20 GTexel/s

-

FP16 (half)

-

1024 GFLOPS

FP32 (float)

528.0 GFLOPS

64.00 GFLOPS

FP64 (double)

-

Graphics Processor

Heathrow

GPU Name

Pinewood

Heathrow XT (216-0835033)

GPU Variant

Pinewood PRO

GCN 1.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

1.5 billion

Transistors

0.627 billion

123 mm²

Die Size

104 mm²

Board Design

45W

TDP

35W

-

Suggested PSU

-

No outputs

Outputs

No outputs

-

Power Connectors

-

Graphics Features

12 (11_1)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

1.2

OpenCL

1.2

Vulkan

N/A

-

CUDA

-

5.1

Shader Model

5.0

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