NVIDIA GeForce 840M vs ATI Mobility Radeon X2300

VS

NVIDIA GeForce 840M ATI Mobility Radeon X2300

We compared two Mobile platform GPUs: 2GB VRAM GeForce 840M and 64MB VRAM Mobility Radeon X2300 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

Larger VRAM bandwidth (16.02GB/s vs 6.272GB/s)

384 additional rendering cores

Score

GeForce 840M

VS

Mobility Radeon X2300

Graphics Card

Mar 2014

Release Date

Mar 2007

GeForce 800M

Generation

M6x

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

392 MHz

Memory

2GB

Memory Size

64MB

DDR3

Memory Type

DDR2

64bit

Memory Bus

64bit

16.02GB/s

Bandwidth

6.272GB/s

Render Config

-

SM Count

-

Compute Units

-

384

Shading Units

-

16

TMUs

4

8

ROPs

4

-

Tensor Cores

-

RT Cores

-

64 KB (per SMM)

L1 Cache

-

1024 KB

L2 Cache

-

Theoretical Performance

8.992 GPixel/s

Pixel Rate

1.916 GPixel/s

17.98 GTexel/s

Texture Rate

1.916 GTexel/s

-

FP16 (half)

-

863.2 GFLOPS

FP32 (float)

-

26.98 GFLOPS

FP64 (double)

-

Graphics Processor

GM108

GPU Name

M64

N15S-GT

GPU Variant

M64-M (216PVAVA12FG)

Maxwell

Architecture

Ultra-Threaded SE

TSMC

Foundry

UMC

28 nm

Process Size

90 nm

Unknown

Transistors

0.105 billion

Unknown

Die Size

100 mm²

Board Design

33W

TDP

Unknown

-

Suggested PSU

-

No outputs

Outputs

Portable Device Dependent

-

Power Connectors

-

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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