NVIDIA GeForce 840M vs NVIDIA GeForce GT 220M

VS

NVIDIA GeForce 840M

NVIDIA GeForce GT 220M

We compared two Mobile platform GPUs: 2GB VRAM GeForce 840M and 512MB VRAM GeForce GT 220M 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 9 months late

Boost Clock1124MHz

More VRAM (2GB vs 512GB)

352 additional rendering cores

NVIDIA GeForce GT 220M 's Advantages

Larger VRAM bandwidth (25.60GB/s vs 16.02GB/s)

Lower TDP (14W vs 33W)

Score

Benchmark

FP32 (float)

GeForce 840M +978%

0.863 TFLOPS

GeForce GT 220M

0.08 TFLOPS

GeForce 840M

VS

GeForce GT 220M

Graphics Card

Mar 2014

Release Date

Jun 2009

GeForce 800M

Generation

GeForce 200M

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

MXM-II

Clock Speeds

1029 MHz

Base Clock

-

1124 MHz

Boost Clock

-

1001 MHz

Memory Clock

800 MHz

Memory

2GB

Memory Size

512MB

DDR3

Memory Type

GDDR3

64bit

Memory Bus

128bit

16.02GB/s

Bandwidth

25.60GB/s

Render Config

-

SM Count

4

384

Shading Units

32

16

TMUs

16

8

ROPs

8

-

64 KB (per SMM)

L1 Cache

-

1024 KB

L2 Cache

32 KB

-

Theoretical Performance

8.992 GPixel/s

Pixel Rate

4.000 GPixel/s

17.98 GTexel/s

Texture Rate

8.000 GTexel/s

-

863.2 GFLOPS

FP32 (float)

80.00 GFLOPS

26.98 GFLOPS

FP64 (double)

-

Board Design

33W

TDP

14W

-

No outputs

Outputs

No outputs

-

Graphics Processor

GM108

GPU Name

G96C

N15S-GT

GPU Variant

N10P-GV2

Maxwell

Architecture

Tesla

TSMC

Foundry

TSMC

28 nm

Process Size

55 nm

Unknown

Transistors

0.314 billion

Unknown

Die Size

121 mm²

Graphics Features

12 (11_0)

DirectX

11.1 (10_0)

4.6

OpenGL

3.3

3.0

OpenCL

1.1

1.3

Vulkan

N/A

5.0

CUDA

1.1

5.1

Shader Model

4.0

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