ATI Mobility Radeon HD 4670 Mac Edition vs NVIDIA GeForce GTX 480M

VS

ATI Mobility Radeon HD 4670 Mac Edition

NVIDIA GeForce GTX 480M

We compared two Mobile platform GPUs: 256MB VRAM Mobility Radeon HD 4670 Mac Edition and 2GB VRAM GeForce GTX 480M 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

Lower TDP (35W vs 100W)

NVIDIA GeForce GTX 480M 's Advantages

Released 8 months late

More VRAM (2GB vs 256GB)

Larger VRAM bandwidth (76.80GB/s vs 25.28GB/s)

32 additional rendering cores

Score

Benchmark

FP32 (float)

Mobility Radeon HD 4670 Mac Edition

0.435 TFLOPS

GeForce GTX 480M +37%

0.598 TFLOPS

Mobility Radeon HD 4670 Mac Edition

VS

GeForce GTX 480M

Graphics Card

Sep 2009

Release Date

May 2010

M9x

Generation

GeForce 400M

Mobile

Type

Mobile

MXM-A (3.0)

Bus Interface

MXM-B (3.0)

Clock Speeds

-

790 MHz

Memory Clock

600 MHz

Memory

256MB

Memory Size

2GB

GDDR3

Memory Type

GDDR5

128bit

Memory Bus

256bit

25.28GB/s

Bandwidth

76.80GB/s

Render Config

4

Compute Units

-

SM Count

11

320

Shading Units

352

32

TMUs

44

8

ROPs

32

-

16 KB (per CU)

L1 Cache

64 KB (per SM)

128 KB

L2 Cache

512 KB

-

Theoretical Performance

5.440 GPixel/s

Pixel Rate

9.350 GPixel/s

21.76 GTexel/s

Texture Rate

18.70 GTexel/s

-

435.2 GFLOPS

FP32 (float)

598.4 GFLOPS

-

FP64 (double)

74.80 GFLOPS

Board Design

35W

TDP

100W

-

No outputs

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

M96

GPU Name

GF100

M96 XT (216-0729051)

GPU Variant

N11E-GTX-A3

TeraScale

Architecture

Fermi

TSMC

Foundry

TSMC

55 nm

Process Size

40 nm

0.514 billion

Transistors

3.1 billion

146 mm²

Die Size

529 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

2.0

4.1

Shader Model

5.1

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