ATI Mobility Radeon HD 4670 vs NVIDIA GeForce GT 555M

VS

ATI Mobility Radeon HD 4670

NVIDIA GeForce GT 555M

We compared two Mobile platform GPUs: 512MB VRAM Mobility Radeon HD 4670 and 2GB VRAM GeForce GT 555M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Mobility Radeon HD 4670 's Advantages

176 additional rendering cores

NVIDIA GeForce GT 555M 's Advantages

Released 3 years and 2 months late

More VRAM (2GB vs 512GB)

Larger VRAM bandwidth (28.80GB/s vs 25.60GB/s)

Score

Benchmark

FP32 (float)

Mobility Radeon HD 4670 +11%

0.432 TFLOPS

GeForce GT 555M

0.389 TFLOPS

Mobility Radeon HD 4670

VS

GeForce GT 555M

Graphics Card

Jan 2009

Release Date

Mar 2012

M9x

Generation

GeForce 500M

Mobile

Type

Mobile

MXM-A (3.0)

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

800 MHz

Memory Clock

900 MHz

Memory

512MB

Memory Size

2GB

GDDR3

Memory Type

DDR3

128bit

Memory Bus

128bit

25.60GB/s

Bandwidth

28.80GB/s

Render Config

4

Compute Units

-

SM Count

2

320

Shading Units

144

32

TMUs

24

8

ROPs

16

-

16 KB (per CU)

L1 Cache

64 KB (per SM)

128 KB

L2 Cache

256 KB

-

Theoretical Performance

5.400 GPixel/s

Pixel Rate

2.700 GPixel/s

21.60 GTexel/s

Texture Rate

16.20 GTexel/s

-

432.0 GFLOPS

FP32 (float)

388.8 GFLOPS

-

FP64 (double)

32.40 GFLOPS

Board Design

35W

TDP

35W

-

No outputs

Outputs

No outputs

-

Graphics Processor

M96

GPU Name

GF116

M96 XT (216-0729051)

GPU Variant

N12E-GE2-A1

TeraScale

Architecture

Fermi 2.0

TSMC

Foundry

TSMC

55 nm

Process Size

40 nm

0.514 billion

Transistors

1.17 billion

146 mm²

Die Size

238 mm²

Graphics Features

10.1 (10_1)

DirectX

12 (11_0)

3.3

OpenGL

4.6

1.1

OpenCL

1.1

N/A

Vulkan

N/A

-

CUDA

2.1

4.1

Shader Model

5.1

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