NVIDIA GeForce 840M vs ATI Mobility Radeon HD 4330

VS

NVIDIA GeForce 840M

ATI Mobility Radeon HD 4330

We compared two Mobile platform GPUs: 2GB VRAM GeForce 840M and 512MB VRAM Mobility Radeon HD 4330 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 512GB)

Larger VRAM bandwidth (16.02GB/s vs 9.600GB/s)

304 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce 840M +1098%

0.863 TFLOPS

Mobility Radeon HD 4330

0.072 TFLOPS

GeForce 840M

VS

Mobility Radeon HD 4330

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

600 MHz

Memory

2GB

Memory Size

512MB

DDR3

Memory Type

GDDR3

64bit

Memory Bus

64bit

16.02GB/s

Bandwidth

9.600GB/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

1.800 GPixel/s

17.98 GTexel/s

Texture Rate

3.600 GTexel/s

-

863.2 GFLOPS

FP32 (float)

72.00 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

M92

N15S-GT

GPU Variant

M92-M (216-0728009)

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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