NVIDIA GeForce 840M vs ATI Mobility Radeon HD 5145

VS

NVIDIA GeForce 840M

ATI Mobility Radeon HD 5145

We compared two Mobile platform GPUs: 2GB VRAM GeForce 840M and 1024MB VRAM Mobility Radeon HD 5145 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce 840M 's Advantages

Released 4 years and 2 months late

Boost Clock1124MHz

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (16.02GB/s vs 14.40GB/s)

304 additional rendering cores

ATI Mobility Radeon HD 5145 's Advantages

Lower TDP (15W vs 33W)

Score

Benchmark

FP32 (float)

GeForce 840M +650%

0.863 TFLOPS

Mobility Radeon HD 5145

0.115 TFLOPS

GeForce 840M

VS

Mobility Radeon HD 5145

Graphics Card

Mar 2014

Release Date

Jan 2010

GeForce 800M

Generation

M9x

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 2.0 x16

Clock Speeds

1029 MHz

Base Clock

-

1124 MHz

Boost Clock

-

1001 MHz

Memory Clock

900 MHz

Memory

2GB

Memory Size

1024MB

DDR3

Memory Type

GDDR3

64bit

Memory Bus

64bit

16.02GB/s

Bandwidth

14.40GB/s

Render Config

-

Compute Units

1

-

384

Shading Units

80

16

TMUs

8

ROPs

4

-

64 KB (per SMM)

L1 Cache

16 KB (per CU)

1024 KB

L2 Cache

64 KB

-

Theoretical Performance

8.992 GPixel/s

Pixel Rate

2.880 GPixel/s

17.98 GTexel/s

Texture Rate

5.760 GTexel/s

-

863.2 GFLOPS

FP32 (float)

115.2 GFLOPS

26.98 GFLOPS

FP64 (double)

-

Board Design

33W

TDP

15W

-

No outputs

Outputs

No outputs

-

Graphics Processor

GM108

GPU Name

M92

N15S-GT

GPU Variant

-

Maxwell

Architecture

TeraScale

TSMC

Foundry

TSMC

28 nm

Process Size

55 nm

Unknown

Transistors

0.242 billion

Unknown

Die Size

73 mm²

Graphics Features

12 (11_0)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3

3.0

OpenCL

1.1

1.3

Vulkan

N/A

5.0

CUDA

-

5.1

Shader Model

4.1

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