AMD Radeon HD 6770M vs ATI Mobility Radeon HD 4830

VS

AMD Radeon HD 6770M ATI Mobility Radeon HD 4830

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 6770M and 1024MB VRAM Mobility Radeon HD 4830 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6770M 's Advantages

Released 1 years and 10 months late

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

ATI Mobility Radeon HD 4830 's Advantages

160 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6770M +8%

0.696 TFLOPS

Mobility Radeon HD 4830

0.64 TFLOPS

Radeon HD 6770M

VS

Mobility Radeon HD 4830

Graphics Card

Jan 2011

Release Date

Mar 2009

Vancouver

Generation

M9x

Mobile

Type

Mobile

MXM-A (3.0)

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

900 MHz

Memory Clock

800 MHz

Memory

1024MB

Memory Size

1024MB

GDDR5

Memory Type

GDDR3

128bit

Memory Bus

128bit

57.60GB/s

Bandwidth

25.60GB/s

Render Config

-

SM Count

-

6

Compute Units

8

480

Shading Units

640

24

TMUs

32

8

ROPs

16

-

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

8.000 GPixel/s

17.40 GTexel/s

Texture Rate

16.00 GTexel/s

-

FP16 (half)

-

696.0 GFLOPS

FP32 (float)

640.0 GFLOPS

-

FP64 (double)

128.0 GFLOPS

Graphics Processor

Whistler

GPU Name

M97

Whistler XT (216-0810001)

GPU Variant

M97 M2 (216-0731004)

TeraScale 2

Architecture

TeraScale

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

0.716 billion

Transistors

0.826 billion

104 mm²

Die Size

137 mm²

Board Design

35W

TDP

Unknown

-

Suggested PSU

-

No outputs

Outputs

Portable Device Dependent

-

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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