NVIDIA GeForce 840M vs AMD Radeon R7 M260X

VS

NVIDIA GeForce 840M

AMD Radeon R7 M260X

We compared two Mobile platform GPUs: 2GB VRAM GeForce 840M and 1024MB VRAM Radeon R7 M260X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce 840M 's Advantages

Boost Clock has increased by 57% (1124MHz vs 715MHz)

More VRAM (2GB vs 1024GB)

AMD Radeon R7 M260X 's Advantages

Released 1 years and 9 months late

Larger VRAM bandwidth (64.00GB/s vs 16.02GB/s)

Score

Benchmark

FP32 (float)

GeForce 840M +57%

0.863 TFLOPS

Radeon R7 M260X

0.549 TFLOPS

GeForce 840M

VS

Radeon R7 M260X

Graphics Card

Mar 2014

Release Date

Dec 2015

GeForce 800M

Generation

Gem System

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 3.0 x8

Clock Speeds

1029 MHz

Base Clock

620 MHz

1124 MHz

Boost Clock

715 MHz

1001 MHz

Memory Clock

1000 MHz

Memory

2GB

Memory Size

1024MB

DDR3

Memory Type

GDDR5

64bit

Memory Bus

128bit

16.02GB/s

Bandwidth

64.00GB/s

Render Config

-

Compute Units

6

-

384

Shading Units

384

16

TMUs

24

8

ROPs

8

-

64 KB (per SMM)

L1 Cache

16 KB (per CU)

1024 KB

L2 Cache

256 KB

-

Theoretical Performance

8.992 GPixel/s

Pixel Rate

5.720 GPixel/s

17.98 GTexel/s

Texture Rate

17.16 GTexel/s

-

863.2 GFLOPS

FP32 (float)

549.1 GFLOPS

26.98 GFLOPS

FP64 (double)

-

Board Design

33W

TDP

Unknown

-

No outputs

Outputs

Portable Device Dependent

-

Power Connectors

None

Graphics Processor

GM108

GPU Name

Opal

N15S-GT

GPU Variant

Opal PRO

Maxwell

Architecture

GCN 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

Unknown

Transistors

0.95 billion

Unknown

Die Size

77 mm²

Graphics Features

12 (11_0)

DirectX

12 (11_1)

4.6

OpenGL

4.6

3.0

OpenCL

2.1 (1.2)

1.3

Vulkan

1.2.170

5.0

CUDA

-

5.1

Shader Model

6.5 (5.1)

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