ATI Mobility Radeon HD 4670 Mac Edition vs NVIDIA GeForce 620M

VS

ATI Mobility Radeon HD 4670 Mac Edition

NVIDIA GeForce 620M

We compared two Mobile platform GPUs: 256MB VRAM Mobility Radeon HD 4670 Mac Edition and 1024MB VRAM GeForce 620M 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 14.40GB/s)

224 additional rendering cores

NVIDIA GeForce 620M 's Advantages

Released 2 years and 6 months late

More VRAM (1024GB vs 256GB)

Lower TDP (15W vs 35W)

Score

Benchmark

FP32 (float)

Mobility Radeon HD 4670 Mac Edition +81%

0.435 TFLOPS

GeForce 620M

0.24 TFLOPS

Mobility Radeon HD 4670 Mac Edition

VS

GeForce 620M

Graphics Card

Sep 2009

Release Date

Mar 2012

M9x

Generation

GeForce 600M

Mobile

Type

Mobile

MXM-A (3.0)

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

790 MHz

Memory Clock

900 MHz

Memory

256MB

Memory Size

1024MB

GDDR3

Memory Type

DDR3

128bit

Memory Bus

64bit

25.28GB/s

Bandwidth

14.40GB/s

Render Config

4

Compute Units

-

SM Count

2

320

Shading Units

96

32

TMUs

16

8

ROPs

8

-

16 KB (per CU)

L1 Cache

64 KB (per SM)

128 KB

L2 Cache

128 KB

-

Theoretical Performance

5.440 GPixel/s

Pixel Rate

2.500 GPixel/s

21.76 GTexel/s

Texture Rate

10.00 GTexel/s

-

435.2 GFLOPS

FP32 (float)

240.0 GFLOPS

-

FP64 (double)

20.00 GFLOPS

Board Design

35W

TDP

15W

-

No outputs

Outputs

No outputs

-

Graphics Processor

M96

GPU Name

GF117

M96 XT (216-0729051)

GPU Variant

N13P-GLP

TeraScale

Architecture

Fermi 2.0

TSMC

Foundry

TSMC

55 nm

Process Size

28 nm

0.514 billion

Transistors

0.585 billion

146 mm²

Die Size

116 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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