NVIDIA GeForce GTX 765M vs NVIDIA GeForce GT 420M

VS

NVIDIA GeForce GTX 765M

NVIDIA GeForce GT 420M

We compared two Mobile platform GPUs: 2GB VRAM GeForce GTX 765M and 512MB VRAM GeForce GT 420M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 765M 's Advantages

Released 2 years and 8 months late

Boost Clock863MHz

More VRAM (2GB vs 512GB)

Larger VRAM bandwidth (64.13GB/s vs 25.60GB/s)

672 additional rendering cores

NVIDIA GeForce GT 420M 's Advantages

Lower TDP (23W vs 75W)

Score

Benchmark

FP32 (float)

GeForce GTX 765M +590%

1.326 TFLOPS

GeForce GT 420M

0.192 TFLOPS

GeForce GTX 765M

VS

GeForce GT 420M

Graphics Card

May 2013

Release Date

Sep 2010

GeForce 700M

Generation

GeForce 400M

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 2.0 x16

Clock Speeds

797 MHz

Base Clock

-

863 MHz

Boost Clock

-

1002 MHz

Memory Clock

800 MHz

Memory

2GB

Memory Size

512MB

GDDR5

Memory Type

DDR3

128bit

Memory Bus

128bit

64.13GB/s

Bandwidth

25.60GB/s

Render Config

-

SM Count

2

768

Shading Units

96

64

TMUs

16

ROPs

4

-

16 KB (per SMX)

L1 Cache

64 KB (per SM)

256 KB

L2 Cache

256 KB

-

Theoretical Performance

13.81 GPixel/s

Pixel Rate

2.000 GPixel/s

55.23 GTexel/s

Texture Rate

8.000 GTexel/s

-

1326 GFLOPS

FP32 (float)

192.0 GFLOPS

55.23 GFLOPS

FP64 (double)

16.00 GFLOPS

Board Design

75W

TDP

23W

-

No outputs

Outputs

No outputs

-

Graphics Processor

GK106

GPU Name

GF108

N14E-GE-B-A1

GPU Variant

N11P-GE-A1

Kepler

Architecture

Fermi

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

2.54 billion

Transistors

0.585 billion

221 mm²

Die Size

116 mm²

Graphics Features

12 (11_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

3.0

OpenCL

1.1

Vulkan

N/A

3.0

CUDA

2.1

5.1

Shader Model

5.1

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