NVIDIA GeForce 840A vs ATI Mobility Radeon HD 2300

VS

NVIDIA GeForce 840A

ATI Mobility Radeon HD 2300

We compared two Mobile platform GPUs: 2GB VRAM GeForce 840A and 128MB VRAM Mobility Radeon HD 2300 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce 840A 's Advantages

Released 7 years late

Boost Clock1124MHz

More VRAM (2GB vs 128GB)

Larger VRAM bandwidth (16.02GB/s vs 12.80GB/s)

384 additional rendering cores

Score

GeForce 840A

VS

Mobility Radeon HD 2300

Graphics Card

Mar 2014

Release Date

Mar 2007

GeForce 800A

Generation

M7x

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 1.0 x16

Clock Speeds

1029 MHz

Base Clock

-

1124 MHz

Boost Clock

-

1001 MHz

Memory Clock

400 MHz

Memory

2GB

Memory Size

128MB

DDR3

Memory Type

DDR2

64bit

Memory Bus

128bit

16.02GB/s

Bandwidth

12.80GB/s

Render Config

-

384

Shading Units

-

16

TMUs

4

8

ROPs

4

-

64 KB (per SMM)

L1 Cache

-

1024 KB

L2 Cache

-

Theoretical Performance

8.992 GPixel/s

Pixel Rate

1.920 GPixel/s

17.98 GTexel/s

Texture Rate

1.920 GTexel/s

-

863.2 GFLOPS

FP32 (float)

-

26.98 GFLOPS

FP64 (double)

-

Board Design

33W

TDP

Unknown

-

No outputs

Outputs

Portable Device Dependent

-

Graphics Processor

GM108

GPU Name

M71

-

GPU Variant

M71-S

Maxwell

Architecture

Ultra-Threaded SE

TSMC

Foundry

TSMC

28 nm

Process Size

80 nm

Unknown

Transistors

0.107 billion

Unknown

Die Size

100 mm²

Graphics Features

12 (11_0)

DirectX

9.0c (9_3)

4.6

OpenGL

2.1

3.0

OpenCL

N/A

1.3

Vulkan

N/A

5.0

CUDA

-

5.1

Shader Model

3.0

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