NVIDIA GeForce GTX 765M vs NVIDIA GeForce 840M

VS

NVIDIA GeForce GTX 765M

NVIDIA GeForce 840M

We compared two Mobile platform GPUs: 2GB VRAM GeForce GTX 765M and 2GB VRAM GeForce 840M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 765M 's Advantages

Larger VRAM bandwidth (64.13GB/s vs 16.02GB/s)

384 additional rendering cores

NVIDIA GeForce 840M 's Advantages

Released 10 months late

Boost Clock has increased by 30% (1124MHz vs 863MHz)

Lower TDP (33W vs 75W)

Score

Benchmark

FP32 (float)

GeForce GTX 765M +53%

1.326 TFLOPS

GeForce 840M

0.863 TFLOPS

Blender

GeForce GTX 765M +7%

72

GeForce 840M

67

GeForce GTX 765M

VS

GeForce 840M

Graphics Card

May 2013

Release Date

Mar 2014

GeForce 700M

Generation

GeForce 800M

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 3.0 x8

Clock Speeds

797 MHz

Base Clock

1029 MHz

863 MHz

Boost Clock

1124 MHz

1002 MHz

Memory Clock

1001 MHz

Memory

2GB

Memory Size

2GB

GDDR5

Memory Type

DDR3

128bit

Memory Bus

64bit

64.13GB/s

Bandwidth

16.02GB/s

Render Config

-

768

Shading Units

384

64

TMUs

16

ROPs

8

-

16 KB (per SMX)

L1 Cache

64 KB (per SMM)

256 KB

L2 Cache

1024 KB

-

Theoretical Performance

13.81 GPixel/s

Pixel Rate

8.992 GPixel/s

55.23 GTexel/s

Texture Rate

17.98 GTexel/s

-

1326 GFLOPS

FP32 (float)

863.2 GFLOPS

55.23 GFLOPS

FP64 (double)

26.98 GFLOPS

Board Design

75W

TDP

33W

-

No outputs

Outputs

No outputs

-

Graphics Processor

GK106

GPU Name

GM108

N14E-GE-B-A1

GPU Variant

N15S-GT

Kepler

Architecture

Maxwell

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

2.54 billion

Transistors

Unknown

221 mm²

Die Size

Unknown

Graphics Features

12 (11_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

3.0

OpenCL

3.0

1.1

Vulkan

1.3

3.0

CUDA

5.0

5.1

Shader Model

5.1

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