AMD Radeon HD 7770M vs ATI Mobility Radeon HD 3470

VS

AMD Radeon HD 7770M ATI Mobility Radeon HD 3470

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 7770M and 256MB VRAM Mobility Radeon HD 3470 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7770M 's Advantages

Released 4 years and 3 months late

More VRAM (1024GB vs 256GB)

Larger VRAM bandwidth (64.00GB/s vs 6.400GB/s)

472 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 7770M +1179%

0.691 TFLOPS

Mobility Radeon HD 3470

0.054 TFLOPS

Radeon HD 7770M

VS

Mobility Radeon HD 3470

Graphics Card

Apr 2012

Release Date

Jan 2008

London

Generation

M8x

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

MXM-II

Clock Speeds

-

Base Clock

-

Boost Clock

-

1000 MHz

Memory Clock

400 MHz

Memory

1024MB

Memory Size

256MB

GDDR5

Memory Type

DDR2

128bit

Memory Bus

64bit

64.00GB/s

Bandwidth

6.400GB/s

Render Config

-

SM Count

-

8

Compute Units

2

512

Shading Units

40

32

TMUs

4

16

ROPs

4

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

-

256 KB

L2 Cache

64 KB

Theoretical Performance

10.80 GPixel/s

Pixel Rate

2.720 GPixel/s

21.60 GTexel/s

Texture Rate

2.720 GTexel/s

-

FP16 (half)

-

691.2 GFLOPS

FP32 (float)

54.40 GFLOPS

43.20 GFLOPS

FP64 (double)

-

Graphics Processor

Chelsea

GPU Name

M82

Chelsea XT

GPU Variant

M82-ME XT (216-0707009)

GCN 1.0

Architecture

TeraScale

TSMC

Foundry

TSMC

28 nm

Process Size

55 nm

1.5 billion

Transistors

0.181 billion

123 mm²

Die Size

67 mm²

Board Design

32W

TDP

Unknown

-

Suggested PSU

-

No outputs

Outputs

Portable Device Dependent

-

Power Connectors

-

Graphics Features

12 (11_1)

DirectX

10.1

4.6

OpenGL

3.3

1.2

OpenCL

N/A

1.2

Vulkan

N/A

-

CUDA

-

5.1

Shader Model

4.1

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