NVIDIA GeForce GT 650M Mac Edition vs NVIDIA GeForce 8400M GS

VS

NVIDIA GeForce GT 650M Mac Edition

NVIDIA GeForce 8400M GS

We compared two Mobile platform GPUs: 512MB VRAM GeForce GT 650M Mac Edition and 256MB VRAM GeForce 8400M GS to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GT 650M Mac Edition 's Advantages

Released 5 years and 2 months late

More VRAM (512GB vs 256GB)

Larger VRAM bandwidth (80.26GB/s vs 6.400GB/s)

368 additional rendering cores

NVIDIA GeForce 8400M GS 's Advantages

Lower TDP (11W vs 45W)

Score

Benchmark

FP32 (float)

GeForce GT 650M Mac Edition +2557%

0.691 TFLOPS

GeForce 8400M GS

0.026 TFLOPS

GeForce GT 650M Mac Edition

VS

GeForce 8400M GS

Graphics Card

Jul 2012

Release Date

May 2007

GeForce 600M

Generation

GeForce 8M

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

MXM-I

Clock Speeds

-

1254 MHz

Memory Clock

400 MHz

Memory

512MB

Memory Size

256MB

GDDR5

Memory Type

DDR2

128bit

Memory Bus

64bit

80.26GB/s

Bandwidth

6.400GB/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

16 KB

-

Theoretical Performance

7.200 GPixel/s

Pixel Rate

1.600 GPixel/s

28.80 GTexel/s

Texture Rate

3.200 GTexel/s

-

691.2 GFLOPS

FP32 (float)

25.60 GFLOPS

28.80 GFLOPS

FP64 (double)

-

Board Design

45W

TDP

11W

-

No outputs

Outputs

No outputs

-

Graphics Processor

GK107

GPU Name

G86

N13P-GT-W-A2

GPU Variant

NB8M-GS

Kepler

Architecture

Tesla

TSMC

Foundry

TSMC

28 nm

Process Size

80 nm

1.27 billion

Transistors

0.21 billion

118 mm²

Die Size

127 mm²

Graphics Features

12 (11_0)

DirectX

11.1 (10_0)

4.6

OpenGL

3.3

3.0

OpenCL

1.1

Vulkan

N/A

3.0

CUDA

1.1

5.1

Shader Model

4.0

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