NVIDIA GeForce 620M vs NVIDIA GeForce GT 650M Mac Edition

VS

NVIDIA GeForce 620M

NVIDIA GeForce GT 650M Mac Edition

We compared two Mobile platform GPUs: 1024MB VRAM GeForce 620M and 512MB VRAM GeForce GT 650M Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce 620M 's Advantages

More VRAM (1024GB vs 512GB)

Lower TDP (15W vs 45W)

NVIDIA GeForce GT 650M Mac Edition 's Advantages

Larger VRAM bandwidth (80.26GB/s vs 14.40GB/s)

288 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce 620M

0.24 TFLOPS

GeForce GT 650M Mac Edition +187%

0.691 TFLOPS

GeForce 620M

VS

GeForce GT 650M Mac Edition

Graphics Card

Mar 2012

Release Date

Jul 2012

GeForce 600M

Generation

GeForce 600M

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

900 MHz

Memory Clock

1254 MHz

Memory

1024MB

Memory Size

512MB

DDR3

Memory Type

GDDR5

64bit

Memory Bus

128bit

14.40GB/s

Bandwidth

80.26GB/s

Render Config

-

2

SM Count

-

96

Shading Units

384

16

TMUs

32

8

ROPs

16

-

64 KB (per SM)

L1 Cache

16 KB (per SMX)

128 KB

L2 Cache

256 KB

-

Theoretical Performance

2.500 GPixel/s

Pixel Rate

7.200 GPixel/s

10.00 GTexel/s

Texture Rate

28.80 GTexel/s

-

240.0 GFLOPS

FP32 (float)

691.2 GFLOPS

20.00 GFLOPS

FP64 (double)

28.80 GFLOPS

Board Design

15W

TDP

45W

-

No outputs

Outputs

No outputs

-

Graphics Processor

GF117

GPU Name

GK107

N13P-GLP

GPU Variant

N13P-GT-W-A2

Fermi 2.0

Architecture

Kepler

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

0.585 billion

Transistors

1.27 billion

116 mm²

Die Size

118 mm²

Graphics Features

12 (11_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

1.1

OpenCL

3.0

N/A

Vulkan

1.1

2.1

CUDA

3.0

5.1

Shader Model

5.1

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