NVIDIA GeForce G103M vs NVIDIA GeForce GT 640M Mac Edition

VS

NVIDIA GeForce G103M

NVIDIA GeForce GT 640M Mac Edition

We compared two Mobile platform GPUs: 512MB VRAM GeForce G103M 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

NVIDIA GeForce G103M 's Advantages

Lower TDP (14W vs 32W)

NVIDIA GeForce GT 640M Mac Edition 's Advantages

Released 3 years and 5 months late

Larger VRAM bandwidth (40.00GB/s vs 8.000GB/s)

376 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce G103M

0.026 TFLOPS

GeForce GT 640M Mac Edition +2100%

0.572 TFLOPS

GeForce G103M

VS

GeForce GT 640M Mac Edition

Graphics Card

Sep 2009

Release Date

Feb 2013

GeForce 100M

Generation

GeForce 600M

Mobile

Type

Mobile

PCIe 1.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

500 MHz

Memory Clock

1250 MHz

Memory

512MB

Memory Size

512MB

DDR2

Memory Type

GDDR5

64bit

Memory Bus

64bit

8.000GB/s

Bandwidth

40.00GB/s

Render Config

-

1

SM Count

-

8

Shading Units

384

4

TMUs

32

4

ROPs

8

-

L1 Cache

16 KB (per SMX)

16 KB

L2 Cache

128 KB

-

Theoretical Performance

2.560 GPixel/s

Pixel Rate

5.960 GPixel/s

2.560 GTexel/s

Texture Rate

23.84 GTexel/s

-

25.60 GFLOPS

FP32 (float)

572.2 GFLOPS

-

FP64 (double)

23.84 GFLOPS

Board Design

14W

TDP

32W

-

No outputs

Outputs

No outputs

-

Graphics Processor

G98

GPU Name

GK107

N10M-GE2-S

GPU Variant

N13P-GS

Tesla

Architecture

Kepler

TSMC

Foundry

TSMC

65 nm

Process Size

28 nm

0.21 billion

Transistors

1.27 billion

86 mm²

Die Size

118 mm²

Graphics Features

11.1 (10_0)

DirectX

12 (11_0)

3.3

OpenGL

4.6

1.1

OpenCL

3.0

N/A

Vulkan

1.1

CUDA

3.0

4.0

Shader Model

5.1

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