AMD Radeon HD 6670A vs NVIDIA GeForce GT 120M Mac Edition

VS

AMD Radeon HD 6670A

NVIDIA GeForce GT 120M Mac Edition

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 6670A and 256MB VRAM GeForce GT 120M Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6670A 's Advantages

Released 2 years and 4 months late

More VRAM (1024GB vs 256GB)

Larger VRAM bandwidth (64.00GB/s vs 25.34GB/s)

448 additional rendering cores

NVIDIA GeForce GT 120M Mac Edition 's Advantages

Lower TDP (14W vs 45W)

Score

Benchmark

FP32 (float)

Radeon HD 6670A +620%

0.576 TFLOPS

GeForce GT 120M Mac Edition

0.08 TFLOPS

Radeon HD 6670A

VS

GeForce GT 120M Mac Edition

Graphics Card

Apr 2011

Release Date

Dec 2008

All-In-One

Generation

GeForce 100M

Mobile

Type

Mobile

MXM-A (3.0)

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1000 MHz

Memory Clock

792 MHz

Memory

1024MB

Memory Size

256MB

GDDR5

Memory Type

GDDR3

128bit

Memory Bus

128bit

64.00GB/s

Bandwidth

25.34GB/s

Render Config

6

Compute Units

-

SM Count

4

480

Shading Units

32

24

TMUs

16

8

ROPs

8

-

8 KB (per CU)

L1 Cache

-

256 KB

L2 Cache

32 KB

-

Theoretical Performance

4.800 GPixel/s

Pixel Rate

4.000 GPixel/s

14.40 GTexel/s

Texture Rate

8.000 GTexel/s

-

576.0 GFLOPS

FP32 (float)

80.00 GFLOPS

-

Board Design

45W

TDP

14W

-

No outputs

Outputs

No outputs

-

Graphics Processor

Turks

GPU Name

G96C

Turks XT (215-0803000)

GPU Variant

-

TeraScale 2

Architecture

Tesla

TSMC

Foundry

TSMC

40 nm

Process Size

55 nm

0.716 billion

Transistors

0.314 billion

118 mm²

Die Size

121 mm²

Graphics Features

11.2 (11_0)

DirectX

11.1 (10_0)

4.4

OpenGL

3.3

1.2

OpenCL

1.1

N/A

Vulkan

N/A

-

CUDA

1.1

5.0

Shader Model

4.0

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