ATI Mobility Radeon HD 4670 vs AMD Radeon HD 8970M

VS

ATI Mobility Radeon HD 4670

AMD Radeon HD 8970M

We compared two Mobile platform GPUs: 512MB VRAM Mobility Radeon HD 4670 and 4GB VRAM Radeon HD 8970M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Mobility Radeon HD 4670 's Advantages

Lower TDP (35W vs 100W)

AMD Radeon HD 8970M 's Advantages

Released 4 years and 4 months late

Boost Clock900MHz

More VRAM (4GB vs 512GB)

Larger VRAM bandwidth (153.6GB/s vs 25.60GB/s)

960 additional rendering cores

Score

Benchmark

FP32 (float)

Mobility Radeon HD 4670

0.432 TFLOPS

Radeon HD 8970M +433%

2.304 TFLOPS

Mobility Radeon HD 4670

VS

Radeon HD 8970M

Graphics Card

Jan 2009

Release Date

May 2013

M9x

Generation

Solar System

Mobile

Type

Mobile

MXM-A (3.0)

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

850 MHz

-

Boost Clock

900 MHz

800 MHz

Memory Clock

1200 MHz

Memory

512MB

Memory Size

4GB

GDDR3

Memory Type

GDDR5

128bit

Memory Bus

256bit

25.60GB/s

Bandwidth

153.6GB/s

Render Config

4

Compute Units

20

-

320

Shading Units

1280

32

TMUs

80

8

ROPs

32

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

128 KB

L2 Cache

512 KB

-

Theoretical Performance

5.400 GPixel/s

Pixel Rate

28.80 GPixel/s

21.60 GTexel/s

Texture Rate

72.00 GTexel/s

-

432.0 GFLOPS

FP32 (float)

2.304 TFLOPS

-

FP64 (double)

144.0 GFLOPS

Board Design

35W

TDP

100W

-

No outputs

Outputs

No outputs

-

Graphics Processor

M96

GPU Name

Neptune

M96 XT (216-0729051)

GPU Variant

Neptune XT (216-0847000)

TeraScale

Architecture

GCN 1.0

TSMC

Foundry

TSMC

55 nm

Process Size

28 nm

0.514 billion

Transistors

2.8 billion

146 mm²

Die Size

212 mm²

Graphics Features

10.1 (10_1)

DirectX

12 (11_1)

3.3

OpenGL

4.6

1.1

OpenCL

1.2

N/A

Vulkan

1.2

-

4.1

Shader Model

5.1

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