ATI Mobility Radeon X2300 HD vs NVIDIA GeForce 840M

VS

ATI Mobility Radeon X2300 HD

NVIDIA GeForce 840M

We compared two Mobile platform GPUs: 256MB VRAM Mobility Radeon X2300 HD and 2GB VRAM GeForce 840M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce 840M 's Advantages

Released 7 years late

Boost Clock1124MHz

More VRAM (2GB vs 256GB)

Larger VRAM bandwidth (16.02GB/s vs 3.024GB/s)

384 additional rendering cores

Score

Mobility Radeon X2300 HD

VS

GeForce 840M

Graphics Card

Mar 2007

Release Date

Mar 2014

M7x

Generation

GeForce 800M

Mobile

Type

Mobile

PCIe 1.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

1029 MHz

-

Boost Clock

1124 MHz

378 MHz

Memory Clock

1001 MHz

Memory

256MB

Memory Size

2GB

DDR2

Memory Type

DDR3

32bit

Memory Bus

64bit

3.024GB/s

Bandwidth

16.02GB/s

Render Config

-

Shading Units

384

4

TMUs

16

4

ROPs

8

-

L1 Cache

64 KB (per SMM)

-

L2 Cache

1024 KB

-

Theoretical Performance

1.916 GPixel/s

Pixel Rate

8.992 GPixel/s

1.916 GTexel/s

Texture Rate

17.98 GTexel/s

-

FP32 (float)

863.2 GFLOPS

-

FP64 (double)

26.98 GFLOPS

Board Design

Unknown

TDP

33W

-

Portable Device Dependent

Outputs

No outputs

-

Graphics Processor

M71

GPU Name

GM108

M71-S

GPU Variant

N15S-GT

Ultra-Threaded SE

Architecture

Maxwell

TSMC

Foundry

TSMC

80 nm

Process Size

28 nm

0.107 billion

Transistors

Unknown

100 mm²

Die Size

Unknown

Graphics Features

9.0c (9_3)

DirectX

12 (11_0)

2.1

OpenGL

4.6

N/A

OpenCL

3.0

N/A

Vulkan

1.3

-

CUDA

5.0

3.0

Shader Model

5.1

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