ATI Mobility Radeon HD 3670 vs AMD Radeon HD 6970M Rebrand

VS

ATI Mobility Radeon HD 3670 AMD Radeon HD 6970M Rebrand

We compared two Mobile platform GPUs: 256MB VRAM Mobility Radeon HD 3670 and 1024MB VRAM Radeon HD 6970M Rebrand to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Mobility Radeon HD 3670 's Advantages

Lower TDP (30W vs 75W)

AMD Radeon HD 6970M Rebrand 's Advantages

Released 3 years late

More VRAM (1024GB vs 256GB)

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

680 additional rendering cores

Score

Benchmark

FP32 (float)

Mobility Radeon HD 3670

0.163 TFLOPS

Radeon HD 6970M Rebrand +685%

1.28 TFLOPS

Mobility Radeon HD 3670

VS

Radeon HD 6970M Rebrand

Graphics Card

Jan 2008

Release Date

Jan 2011

M8x

Generation

Vancouver

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

MXM-B (3.0)

Clock Speeds

-

Base Clock

-

Boost Clock

-

800 MHz

Memory Clock

1000 MHz

Memory

256MB

Memory Size

1024MB

GDDR3

Memory Type

GDDR5

128bit

Memory Bus

128bit

25.60GB/s

Bandwidth

64.00GB/s

Render Config

-

SM Count

-

3

Compute Units

10

120

Shading Units

800

8

TMUs

40

4

ROPs

16

-

Tensor Cores

-

RT Cores

-

L1 Cache

8 KB (per CU)

128 KB

L2 Cache

256 KB

Theoretical Performance

2.720 GPixel/s

Pixel Rate

12.80 GPixel/s

5.440 GTexel/s

Texture Rate

32.00 GTexel/s

-

FP16 (half)

-

163.2 GFLOPS

FP32 (float)

1280 GFLOPS

-

FP64 (double)

-

Graphics Processor

M86

GPU Name

Broadway

-

GPU Variant

Broadway XT

TeraScale

Architecture

TeraScale 2

TSMC

Foundry

TSMC

55 nm

Process Size

40 nm

0.378 billion

Transistors

1.04 billion

135 mm²

Die Size

166 mm²

Board Design

30W

TDP

75W

-

Suggested PSU

-

No outputs

Outputs

No outputs

-

Power Connectors

-

Graphics Features

10.1 (10_1)

DirectX

11.2 (11_0)

3.3

OpenGL

4.4

N/A

OpenCL

1.2

N/A

Vulkan

N/A

-

CUDA

-

4.1

Shader Model

5.0

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