ATI Mobility Radeon HD 4670 Mac Edition vs NVIDIA GeForce 305M

VS

ATI Mobility Radeon HD 4670 Mac Edition

NVIDIA GeForce 305M

We compared two Mobile platform GPUs: 256MB VRAM Mobility Radeon HD 4670 Mac Edition and 512MB VRAM GeForce 305M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Mobility Radeon HD 4670 Mac Edition 's Advantages

Larger VRAM bandwidth (25.28GB/s vs 11.20GB/s)

304 additional rendering cores

NVIDIA GeForce 305M 's Advantages

More VRAM (512GB vs 256GB)

Lower TDP (14W vs 35W)

Score

Benchmark

FP32 (float)

Mobility Radeon HD 4670 Mac Edition +1075%

0.435 TFLOPS

GeForce 305M

0.037 TFLOPS

Mobility Radeon HD 4670 Mac Edition

VS

GeForce 305M

Graphics Card

Sep 2009

Release Date

Jan 2010

M9x

Generation

GeForce 300M

Mobile

Type

Mobile

MXM-A (3.0)

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

790 MHz

Memory Clock

700 MHz

Memory

256MB

Memory Size

512MB

GDDR3

Memory Type

GDDR3

128bit

Memory Bus

64bit

25.28GB/s

Bandwidth

11.20GB/s

Render Config

4

Compute Units

-

SM Count

2

320

Shading Units

16

32

TMUs

8

ROPs

4

-

16 KB (per CU)

L1 Cache

-

128 KB

L2 Cache

32 KB

-

Theoretical Performance

5.440 GPixel/s

Pixel Rate

2.100 GPixel/s

21.76 GTexel/s

Texture Rate

4.200 GTexel/s

-

435.2 GFLOPS

FP32 (float)

36.80 GFLOPS

-

Board Design

35W

TDP

14W

-

No outputs

Outputs

No outputs

-

Graphics Processor

M96

GPU Name

GT218

M96 XT (216-0729051)

GPU Variant

N11M-LP1

TeraScale

Architecture

Tesla 2.0

TSMC

Foundry

TSMC

55 nm

Process Size

40 nm

0.514 billion

Transistors

0.26 billion

146 mm²

Die Size

57 mm²

Graphics Features

10.1 (10_1)

DirectX

11.1 (10_1)

3.3

OpenGL

3.3

1.1

OpenCL

1.1

N/A

Vulkan

N/A

-

CUDA

1.2

4.1

Shader Model

4.1

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