ATI Mobility Radeon HD 3450 vs NVIDIA GeForce 840M

VS

ATI Mobility Radeon HD 3450

NVIDIA GeForce 840M

We compared two Mobile platform GPUs: 256MB VRAM Mobility Radeon HD 3450 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 6 years and 2 months late

Boost Clock1124MHz

More VRAM (2GB vs 256GB)

Larger VRAM bandwidth (16.02GB/s vs 6.400GB/s)

344 additional rendering cores

Score

Benchmark

FP32 (float)

Mobility Radeon HD 3450

0.04 TFLOPS

GeForce 840M +2057%

0.863 TFLOPS

Mobility Radeon HD 3450

VS

GeForce 840M

Graphics Card

Jan 2008

Release Date

Mar 2014

M8x

Generation

GeForce 800M

Mobile

Type

Mobile

MXM-II

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

1029 MHz

-

Boost Clock

1124 MHz

400 MHz

Memory Clock

1001 MHz

Memory

256MB

Memory Size

2GB

DDR2

Memory Type

DDR3

64bit

Memory Bus

64bit

6.400GB/s

Bandwidth

16.02GB/s

Render Config

2

Compute Units

-

40

Shading Units

384

4

TMUs

16

4

ROPs

8

-

L1 Cache

64 KB (per SMM)

64 KB

L2 Cache

1024 KB

-

Theoretical Performance

2.000 GPixel/s

Pixel Rate

8.992 GPixel/s

2.000 GTexel/s

Texture Rate

17.98 GTexel/s

-

40.00 GFLOPS

FP32 (float)

863.2 GFLOPS

-

FP64 (double)

26.98 GFLOPS

Board Design

Unknown

TDP

33W

-

Portable Device Dependent

Outputs

No outputs

-

Graphics Processor

M82

GPU Name

GM108

M82-SCE XT (216-0707011)

GPU Variant

N15S-GT

TeraScale

Architecture

Maxwell

TSMC

Foundry

TSMC

55 nm

Process Size

28 nm

0.181 billion

Transistors

Unknown

67 mm²

Die Size

Unknown

Graphics Features

10.1

DirectX

12 (11_0)

3.3

OpenGL

4.6

N/A

OpenCL

3.0

N/A

Vulkan

1.3

-

CUDA

5.0

4.1

Shader Model

5.1

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