NVIDIA GeForce 840M vs NVIDIA GeForce 8700M GT

VS

NVIDIA GeForce 840M NVIDIA GeForce 8700M GT

We compared two Mobile platform GPUs: 2GB VRAM GeForce 840M and 512MB VRAM GeForce 8700M GT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce 840M 's Advantages

Released 6 years and 9 months late

Boost Clock1124MHz

352 additional rendering cores

NVIDIA GeForce 8700M GT 's Advantages

Larger VRAM bandwidth (25.60GB/s vs 16.02GB/s)

Lower TDP (29W vs 33W)

Score

Benchmark

FP32 (float)

GeForce 840M +978%

0.863 TFLOPS

GeForce 8700M GT

0.08 TFLOPS

GeForce 840M

VS

GeForce 8700M GT

Graphics Card

Mar 2014

Release Date

Jun 2007

GeForce 800M

Generation

GeForce 8M

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

MXM-HE

Clock Speeds

1029 MHz

Base Clock

-

1124 MHz

Boost Clock

-

1001 MHz

Memory Clock

800 MHz

Memory

2GB

Memory Size

512MB

DDR3

Memory Type

GDDR3

64bit

Memory Bus

128bit

16.02GB/s

Bandwidth

25.60GB/s

Render Config

-

SM Count

4

-

Compute Units

-

384

Shading Units

32

16

TMUs

16

8

ROPs

8

-

Tensor Cores

-

RT Cores

-

64 KB (per SMM)

L1 Cache

-

1024 KB

L2 Cache

32 KB

Theoretical Performance

8.992 GPixel/s

Pixel Rate

5.000 GPixel/s

17.98 GTexel/s

Texture Rate

10.00 GTexel/s

-

FP16 (half)

-

863.2 GFLOPS

FP32 (float)

80.00 GFLOPS

26.98 GFLOPS

FP64 (double)

-

Graphics Processor

GM108

GPU Name

G84

N15S-GT

GPU Variant

NB8E-SE

Maxwell

Architecture

Tesla

TSMC

Foundry

TSMC

28 nm

Process Size

80 nm

Unknown

Transistors

0.289 billion

Unknown

Die Size

169 mm²

Board Design

33W

TDP

29W

-

Suggested PSU

-

No outputs

Outputs

No outputs

-

Power Connectors

-

Graphics Features

12 (11_0)

DirectX

11.1 (10_0)

4.6

OpenGL

3.3

3.0

OpenCL

1.1

1.3

Vulkan

N/A

5.0

CUDA

1.1

5.1

Shader Model

4.0

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