AMD Radeon HD 8670A vs ATI Mobility Radeon HD 2700

VS

AMD Radeon HD 8670A

ATI Mobility Radeon HD 2700

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 8670A and 256MB VRAM Mobility Radeon HD 2700 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 8670A 's Advantages

Released 5 years and 2 months late

More VRAM (1024GB vs 256GB)

264 additional rendering cores

ATI Mobility Radeon HD 2700 's Advantages

Larger VRAM bandwidth (22.40GB/s vs 16.00GB/s)

Lower TDP (35W vs 45W)

Score

Benchmark

FP32 (float)

Radeon HD 8670A +174%

0.461 TFLOPS

Mobility Radeon HD 2700

0.168 TFLOPS

Radeon HD 8670A

VS

Mobility Radeon HD 2700

Graphics Card

Feb 2013

Release Date

Dec 2007

All-In-One

Generation

M7x

Mobile

Type

Mobile

MXM-A (3.0)

Bus Interface

MXM-II

Clock Speeds

-

1000 MHz

Memory Clock

700 MHz

Memory

1024MB

Memory Size

256MB

DDR3

Memory Type

GDDR3

64bit

Memory Bus

128bit

16.00GB/s

Bandwidth

22.40GB/s

Render Config

6

Compute Units

3

-

384

Shading Units

120

24

TMUs

8

ROPs

4

-

16 KB (per CU)

L1 Cache

-

128 KB

L2 Cache

64 KB

-

Theoretical Performance

4.800 GPixel/s

Pixel Rate

2.800 GPixel/s

14.40 GTexel/s

Texture Rate

5.600 GTexel/s

-

460.8 GFLOPS

FP32 (float)

168.0 GFLOPS

28.80 GFLOPS

FP64 (double)

-

Board Design

45W

TDP

35W

-

No outputs

Outputs

No outputs

-

Graphics Processor

Mars

GPU Name

M76

Mars XT

GPU Variant

-

GCN 1.0

Architecture

TeraScale

TSMC

Foundry

TSMC

28 nm

Process Size

65 nm

0.95 billion

Transistors

0.39 billion

77 mm²

Die Size

153 mm²

Graphics Features

12 (11_1)

DirectX

10.0 (10_0)

4.6

OpenGL

3.3

1.2

OpenCL

N/A

1.2

Vulkan

N/A

-

5.1

Shader Model

4.0

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