AMD Radeon HD 8770M vs ATI Mobility Radeon HD 3430

VS

AMD Radeon HD 8770M

ATI Mobility Radeon HD 3430

We compared two Mobile platform GPUs: 2GB VRAM Radeon HD 8770M and 256MB VRAM Mobility Radeon HD 3430 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 8770M 's Advantages

Released 4 years and 9 months late

Boost Clock825MHz

More VRAM (2GB vs 256GB)

Larger VRAM bandwidth (72.00GB/s vs 6.400GB/s)

344 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 8770M +1658%

0.633 TFLOPS

Mobility Radeon HD 3430

0.036 TFLOPS

Radeon HD 8770M

VS

Mobility Radeon HD 3430

Graphics Card

Apr 2013

Release Date

Jul 2008

Solar System

Generation

M8x

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

MXM-II

Clock Speeds

775 MHz

Base Clock

-

825 MHz

Boost Clock

-

1125 MHz

Memory Clock

400 MHz

Memory

2GB

Memory Size

256MB

GDDR5

Memory Type

DDR2

128bit

Memory Bus

64bit

72.00GB/s

Bandwidth

6.400GB/s

Render Config

6

Compute Units

2

-

384

Shading Units

40

24

TMUs

4

8

ROPs

4

-

16 KB (per CU)

L1 Cache

-

256 KB

L2 Cache

64 KB

-

Theoretical Performance

6.600 GPixel/s

Pixel Rate

1.800 GPixel/s

19.80 GTexel/s

Texture Rate

1.800 GTexel/s

-

633.6 GFLOPS

FP32 (float)

36.00 GFLOPS

39.60 GFLOPS

FP64 (double)

-

Board Design

Unknown

TDP

12W

-

Portable Device Dependent

Outputs

No outputs

-

Graphics Processor

Mars

GPU Name

M82

Mars S3 XT (216-0842018)

GPU Variant

M82-SE

GCN 1.0

Architecture

TeraScale

TSMC

Foundry

TSMC

28 nm

Process Size

55 nm

0.95 billion

Transistors

0.181 billion

77 mm²

Die Size

67 mm²

Graphics Features

12 (11_1)

DirectX

10.1

4.6

OpenGL

3.3

2.1 (1.2)

OpenCL

N/A

1.2.170

Vulkan

N/A

-

6.5 (5.1)

Shader Model

4.1

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