NVIDIA GeForce GT 650M vs NVIDIA GeForce 405M

VS

NVIDIA GeForce GT 650M

NVIDIA GeForce 405M

We compared two Mobile platform GPUs: 1024MB VRAM GeForce GT 650M and 512MB VRAM GeForce 405M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GT 650M 's Advantages

Released 1 years and 2 months late

Boost Clock950MHz

More VRAM (1024GB vs 512GB)

Larger VRAM bandwidth (28.80GB/s vs 12.80GB/s)

368 additional rendering cores

NVIDIA GeForce 405M 's Advantages

Lower TDP (14W vs 45W)

Score

Benchmark

FP32 (float)

GeForce GT 650M +1771%

0.73 TFLOPS

GeForce 405M

0.039 TFLOPS

GeForce GT 650M

VS

GeForce 405M

Graphics Card

Mar 2012

Release Date

Jan 2011

GeForce 600M

Generation

GeForce 400M

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

835 MHz

Base Clock

-

950 MHz

Boost Clock

-

900 MHz

Memory Clock

800 MHz

Memory

1024MB

Memory Size

512MB

DDR3

Memory Type

GDDR3

128bit

Memory Bus

64bit

28.80GB/s

Bandwidth

12.80GB/s

Render Config

-

SM Count

2

384

Shading Units

16

32

TMUs

8

16

ROPs

4

-

16 KB (per SMX)

L1 Cache

-

256 KB

L2 Cache

32 KB

-

Theoretical Performance

7.600 GPixel/s

Pixel Rate

2.424 GPixel/s

30.40 GTexel/s

Texture Rate

4.848 GTexel/s

-

729.6 GFLOPS

FP32 (float)

38.78 GFLOPS

30.40 GFLOPS

FP64 (double)

-

Board Design

45W

TDP

14W

-

No outputs

Outputs

No outputs

-

Graphics Processor

GK107

GPU Name

GT218

N13P-GT-A2

GPU Variant

-

Kepler

Architecture

Tesla 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

1.27 billion

Transistors

0.26 billion

118 mm²

Die Size

57 mm²

Graphics Features

12 (11_0)

DirectX

11.1 (10_1)

4.6

OpenGL

3.3

3.0

OpenCL

1.1

Vulkan

N/A

3.0

CUDA

1.2

5.1

Shader Model

4.1

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