ATI Mobility Radeon HD 4670 vs AMD Radeon HD 7490M

VS

ATI Mobility Radeon HD 4670

AMD Radeon HD 7490M

We compared two Mobile platform GPUs: 512MB VRAM Mobility Radeon HD 4670 and 1024MB VRAM Radeon HD 7490M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Mobility Radeon HD 4670 's Advantages

160 additional rendering cores

AMD Radeon HD 7490M 's Advantages

Released 3 years late

More VRAM (1024GB vs 512GB)

Larger VRAM bandwidth (30.40GB/s vs 25.60GB/s)

Lower TDP (9W vs 35W)

Score

Benchmark

FP32 (float)

Mobility Radeon HD 4670 +68%

0.432 TFLOPS

Radeon HD 7490M

0.256 TFLOPS

Mobility Radeon HD 4670

VS

Radeon HD 7490M

Graphics Card

Jan 2009

Release Date

Jan 2012

M9x

Generation

London

Mobile

Type

Mobile

MXM-A (3.0)

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

800 MHz

Memory Clock

950 MHz

Memory

512MB

Memory Size

1024MB

GDDR3

Memory Type

GDDR5

128bit

Memory Bus

64bit

25.60GB/s

Bandwidth

30.40GB/s

Render Config

4

Compute Units

2

-

320

Shading Units

160

32

TMUs

8

ROPs

4

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

128 KB

L2 Cache

128 KB

-

Theoretical Performance

5.400 GPixel/s

Pixel Rate

3.200 GPixel/s

21.60 GTexel/s

Texture Rate

6.400 GTexel/s

-

432.0 GFLOPS

FP32 (float)

256.0 GFLOPS

-

Board Design

35W

TDP

9W

-

No outputs

Outputs

No outputs

-

Graphics Processor

M96

GPU Name

Seymour

M96 XT (216-0729051)

GPU Variant

Seymour XTX (216-0810005)

TeraScale

Architecture

TeraScale 2

TSMC

Foundry

TSMC

55 nm

Process Size

40 nm

0.514 billion

Transistors

0.37 billion

146 mm²

Die Size

67 mm²

Graphics Features

10.1 (10_1)

DirectX

11.2 (11_0)

3.3

OpenGL

4.4

1.1

OpenCL

1.2

N/A

Vulkan

N/A

-

4.1

Shader Model

5.0

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