AMD Radeon HD 6770M vs ATI Mobility Radeon HD 4670

VS

AMD Radeon HD 6770M ATI Mobility Radeon HD 4670

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 6770M and 512MB VRAM Mobility Radeon HD 4670 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6770M 's Advantages

Released 2 years late

More VRAM (1024GB vs 512GB)

Larger VRAM bandwidth (57.60GB/s vs 25.60GB/s)

160 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6770M +61%

0.696 TFLOPS

Mobility Radeon HD 4670

0.432 TFLOPS

Radeon HD 6770M

VS

Mobility Radeon HD 4670

Graphics Card

Jan 2011

Release Date

Jan 2009

Vancouver

Generation

M9x

Mobile

Type

Mobile

MXM-A (3.0)

Bus Interface

MXM-A (3.0)

Clock Speeds

-

Base Clock

-

Boost Clock

-

900 MHz

Memory Clock

800 MHz

Memory

1024MB

Memory Size

512MB

GDDR5

Memory Type

GDDR3

128bit

Memory Bus

128bit

57.60GB/s

Bandwidth

25.60GB/s

Render Config

-

SM Count

-

6

Compute Units

4

480

Shading Units

320

24

TMUs

32

8

ROPs

8

-

Tensor Cores

-

RT Cores

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

128 KB

Theoretical Performance

5.800 GPixel/s

Pixel Rate

5.400 GPixel/s

17.40 GTexel/s

Texture Rate

21.60 GTexel/s

-

FP16 (half)

-

696.0 GFLOPS

FP32 (float)

432.0 GFLOPS

-

FP64 (double)

-

Graphics Processor

Whistler

GPU Name

M96

Whistler XT (216-0810001)

GPU Variant

M96 XT (216-0729051)

TeraScale 2

Architecture

TeraScale

TSMC

Foundry

TSMC

40 nm

Process Size

55 nm

0.716 billion

Transistors

0.514 billion

104 mm²

Die Size

146 mm²

Board Design

35W

TDP

35W

-

Suggested PSU

-

No outputs

Outputs

No outputs

-

Power Connectors

-

Graphics Features

11.2 (11_0)

DirectX

10.1 (10_1)

4.4

OpenGL

3.3

1.2

OpenCL

1.1

N/A

Vulkan

N/A

-

CUDA

-

5.0

Shader Model

4.1

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