NVIDIA GeForce 840M vs ATI Radeon E2400

VS

NVIDIA GeForce 840M

ATI Radeon E2400

We compared two Mobile platform GPUs: 2GB VRAM GeForce 840M and 128MB VRAM Radeon E2400 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

More VRAM (2GB vs 128GB)

Larger VRAM bandwidth (16.02GB/s vs 11.20GB/s)

344 additional rendering cores

ATI Radeon E2400 's Advantages

Lower TDP (25W vs 33W)

Score

Benchmark

FP32 (float)

GeForce 840M +1697%

0.863 TFLOPS

Radeon E2400

0.048 TFLOPS

GeForce 840M

VS

Radeon E2400

Graphics Card

Mar 2014

Release Date

Jun 2007

GeForce 800M

Generation

Embedded

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

700 MHz

Memory

2GB

Memory Size

128MB

DDR3

Memory Type

GDDR3

64bit

Memory Bus

64bit

16.02GB/s

Bandwidth

11.20GB/s

Render Config

-

Compute Units

2

-

384

Shading Units

40

16

TMUs

4

8

ROPs

4

-

64 KB (per SMM)

L1 Cache

-

1024 KB

L2 Cache

32 KB

-

Theoretical Performance

8.992 GPixel/s

Pixel Rate

2.400 GPixel/s

17.98 GTexel/s

Texture Rate

2.400 GTexel/s

-

863.2 GFLOPS

FP32 (float)

48.00 GFLOPS

26.98 GFLOPS

FP64 (double)

-

Board Design

33W

TDP

25W

-

No outputs

Outputs

No outputs

-

Graphics Processor

GM108

GPU Name

RV610

N15S-GT

GPU Variant

-

Maxwell

Architecture

TeraScale

TSMC

Foundry

TSMC

28 nm

Process Size

65 nm

Unknown

Transistors

0.18 billion

Unknown

Die Size

85 mm²

Graphics Features

12 (11_0)

DirectX

10.0 (10_0)

4.6

OpenGL

3.3

3.0

OpenCL

N/A

1.3

Vulkan

N/A

5.0

CUDA

-

5.1

Shader Model

4.0

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