ATI Mobility Radeon HD 3470 vs AMD Radeon HD 8670M

VS

ATI Mobility Radeon HD 3470

AMD Radeon HD 8670M

We compared two Mobile platform GPUs: 256MB VRAM Mobility Radeon HD 3470 and 1024MB VRAM Radeon HD 8670M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 8670M 's Advantages

Released 5 years and 2 months late

Boost Clock975MHz

More VRAM (1024GB vs 256GB)

Larger VRAM bandwidth (14.40GB/s vs 6.400GB/s)

280 additional rendering cores

Score

Benchmark

FP32 (float)

Mobility Radeon HD 3470

0.054 TFLOPS

Radeon HD 8670M +1055%

0.624 TFLOPS

Mobility Radeon HD 3470

VS

Radeon HD 8670M

Graphics Card

Jan 2008

Release Date

Mar 2013

M8x

Generation

Solar System

Mobile

Type

Mobile

MXM-II

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

925 MHz

-

Boost Clock

975 MHz

400 MHz

Memory Clock

900 MHz

Memory

256MB

Memory Size

1024MB

DDR2

Memory Type

DDR3

64bit

Memory Bus

64bit

6.400GB/s

Bandwidth

14.40GB/s

Render Config

2

Compute Units

5

-

40

Shading Units

320

4

TMUs

20

4

ROPs

8

-

L1 Cache

16 KB (per CU)

64 KB

L2 Cache

128 KB

-

Theoretical Performance

2.720 GPixel/s

Pixel Rate

7.800 GPixel/s

2.720 GTexel/s

Texture Rate

19.50 GTexel/s

-

54.40 GFLOPS

FP32 (float)

624.0 GFLOPS

-

FP64 (double)

39.00 GFLOPS

Board Design

Unknown

TDP

Unknown

-

Portable Device Dependent

Outputs

Portable Device Dependent

-

Graphics Processor

M82

GPU Name

Sun

M82-ME XT (216-0707009)

GPU Variant

Sun S3 XT (216-0841009)

TeraScale

Architecture

GCN 1.0

TSMC

Foundry

TSMC

55 nm

Process Size

28 nm

0.181 billion

Transistors

0.69 billion

67 mm²

Die Size

56 mm²

Graphics Features

10.1

DirectX

12 (11_1)

3.3

OpenGL

4.6

N/A

OpenCL

2.1 (1.2)

N/A

Vulkan

1.2.170

-

4.1

Shader Model

6.5 (5.1)

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