ATI Mobility Radeon HD 3670 vs NVIDIA GeForce GT 640M Mac Edition

VS

ATI Mobility Radeon HD 3670 NVIDIA GeForce GT 640M Mac Edition

We compared two Mobile platform GPUs: 256MB VRAM Mobility Radeon HD 3670 and 512MB VRAM GeForce GT 640M Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Mobility Radeon HD 3670 's Advantages

Lower TDP (30W vs 32W)

NVIDIA GeForce GT 640M Mac Edition 's Advantages

Released 5 years and 1 months late

More VRAM (512GB vs 256GB)

Larger VRAM bandwidth (40.00GB/s vs 25.60GB/s)

264 additional rendering cores

Score

Benchmark

FP32 (float)

Mobility Radeon HD 3670

0.163 TFLOPS

GeForce GT 640M Mac Edition +250%

0.572 TFLOPS

Mobility Radeon HD 3670

VS

GeForce GT 640M Mac Edition

Graphics Card

Jan 2008

Release Date

Feb 2013

M8x

Generation

GeForce 600M

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

800 MHz

Memory Clock

1250 MHz

Memory

256MB

Memory Size

512MB

GDDR3

Memory Type

GDDR5

128bit

Memory Bus

64bit

25.60GB/s

Bandwidth

40.00GB/s

Render Config

-

SM Count

-

3

Compute Units

-

120

Shading Units

384

8

TMUs

32

4

ROPs

8

-

Tensor Cores

-

RT Cores

-

L1 Cache

16 KB (per SMX)

128 KB

L2 Cache

128 KB

Theoretical Performance

2.720 GPixel/s

Pixel Rate

5.960 GPixel/s

5.440 GTexel/s

Texture Rate

23.84 GTexel/s

-

FP16 (half)

-

163.2 GFLOPS

FP32 (float)

572.2 GFLOPS

-

FP64 (double)

23.84 GFLOPS

Graphics Processor

M86

GPU Name

GK107

-

GPU Variant

N13P-GS

TeraScale

Architecture

Kepler

TSMC

Foundry

TSMC

55 nm

Process Size

28 nm

0.378 billion

Transistors

1.27 billion

135 mm²

Die Size

118 mm²

Board Design

30W

TDP

32W

-

Suggested PSU

-

No outputs

Outputs

No outputs

-

Power Connectors

-

Graphics Features

10.1 (10_1)

DirectX

12 (11_0)

3.3

OpenGL

4.6

N/A

OpenCL

3.0

N/A

Vulkan

1.1

-

CUDA

3.0

4.1

Shader Model

5.1

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