NVIDIA GeForce 840M vs ATI Mobility Radeon HD 4850

VS

NVIDIA GeForce 840M

ATI Mobility Radeon HD 4850

We compared two Mobile platform GPUs: 2GB VRAM GeForce 840M and 1024MB VRAM Mobility Radeon HD 4850 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce 840M 's Advantages

Released 5 years and 2 months late

Boost Clock1124MHz

More VRAM (2GB vs 1024GB)

ATI Mobility Radeon HD 4850 's Advantages

Larger VRAM bandwidth (54.40GB/s vs 16.02GB/s)

416 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce 840M +7%

0.863 TFLOPS

Mobility Radeon HD 4850

0.804 TFLOPS

GeForce 840M

VS

Mobility Radeon HD 4850

Graphics Card

Mar 2014

Release Date

Jan 2009

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

850 MHz

Memory

2GB

Memory Size

1024MB

DDR3

Memory Type

GDDR3

64bit

Memory Bus

256bit

16.02GB/s

Bandwidth

54.40GB/s

Render Config

-

Compute Units

10

-

384

Shading Units

800

16

TMUs

40

8

ROPs

16

-

64 KB (per SMM)

L1 Cache

16 KB (per CU)

1024 KB

L2 Cache

256 KB

-

Theoretical Performance

8.992 GPixel/s

Pixel Rate

8.048 GPixel/s

17.98 GTexel/s

Texture Rate

20.12 GTexel/s

-

863.2 GFLOPS

FP32 (float)

804.8 GFLOPS

26.98 GFLOPS

FP64 (double)

161.0 GFLOPS

Board Design

33W

TDP

Unknown

-

No outputs

Outputs

Portable Device Dependent

-

Graphics Processor

GM108

GPU Name

M98

N15S-GT

GPU Variant

M98 L2 (216-0732019)

Maxwell

Architecture

TeraScale

TSMC

Foundry

TSMC

28 nm

Process Size

55 nm

Unknown

Transistors

0.956 billion

Unknown

Die Size

256 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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