NVIDIA GeForce 840M vs ATI Mobility Radeon HD 3430

VS

NVIDIA GeForce 840M ATI Mobility Radeon HD 3430

We compared two Mobile platform GPUs: 2GB VRAM GeForce 840M and 256MB VRAM Mobility Radeon HD 3430 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce 840M 's Advantages

Released 5 years and 8 months late

Boost Clock1124MHz

Larger VRAM bandwidth (16.02GB/s vs 6.400GB/s)

344 additional rendering cores

ATI Mobility Radeon HD 3430 's Advantages

Lower TDP (12W vs 33W)

Score

Benchmark

FP32 (float)

GeForce 840M +2297%

0.863 TFLOPS

Mobility Radeon HD 3430

0.036 TFLOPS

GeForce 840M

VS

Mobility Radeon HD 3430

Graphics Card

Mar 2014

Release Date

Jul 2008

GeForce 800M

Generation

M8x

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

MXM-II

Clock Speeds

1029 MHz

Base Clock

-

1124 MHz

Boost Clock

-

1001 MHz

Memory Clock

400 MHz

Memory

2GB

Memory Size

256MB

DDR3

Memory Type

DDR2

64bit

Memory Bus

64bit

16.02GB/s

Bandwidth

6.400GB/s

Render Config

-

SM Count

-

Compute Units

2

384

Shading Units

40

16

TMUs

4

8

ROPs

4

-

Tensor Cores

-

RT Cores

-

64 KB (per SMM)

L1 Cache

-

1024 KB

L2 Cache

64 KB

Theoretical Performance

8.992 GPixel/s

Pixel Rate

1.800 GPixel/s

17.98 GTexel/s

Texture Rate

1.800 GTexel/s

-

FP16 (half)

-

863.2 GFLOPS

FP32 (float)

36.00 GFLOPS

26.98 GFLOPS

FP64 (double)

-

Graphics Processor

GM108

GPU Name

M82

N15S-GT

GPU Variant

M82-SE

Maxwell

Architecture

TeraScale

TSMC

Foundry

TSMC

28 nm

Process Size

55 nm

Unknown

Transistors

0.181 billion

Unknown

Die Size

67 mm²

Board Design

33W

TDP

12W

-

Suggested PSU

-

No outputs

Outputs

No outputs

-

Power Connectors

-

Graphics Features

12 (11_0)

DirectX

10.1

4.6

OpenGL

3.3

3.0

OpenCL

N/A

1.3

Vulkan

N/A

5.0

CUDA

-

5.1

Shader Model

4.1

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