NVIDIA GeForce GT 230M vs NVIDIA GeForce 840A

VS

NVIDIA GeForce GT 230M

NVIDIA GeForce 840A

We compared two Mobile platform GPUs: 1024MB VRAM GeForce GT 230M and 2GB VRAM GeForce 840A to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GT 230M 's Advantages

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

Lower TDP (23W vs 33W)

NVIDIA GeForce 840A 's Advantages

Released 4 years and 9 months late

Boost Clock1124MHz

More VRAM (2GB vs 1024GB)

336 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GT 230M

0.106 TFLOPS

GeForce 840A +714%

0.863 TFLOPS

GeForce GT 230M

VS

GeForce 840A

Graphics Card

Jun 2009

Release Date

Mar 2014

GeForce 200M

Generation

GeForce 800A

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

1029 MHz

-

Boost Clock

1124 MHz

800 MHz

Memory Clock

1001 MHz

Memory

1024MB

Memory Size

2GB

GDDR3

Memory Type

DDR3

128bit

Memory Bus

64bit

25.60GB/s

Bandwidth

16.02GB/s

Render Config

-

6

SM Count

-

48

Shading Units

384

16

TMUs

16

8

ROPs

8

-

L1 Cache

64 KB (per SMM)

64 KB

L2 Cache

1024 KB

-

Theoretical Performance

4.000 GPixel/s

Pixel Rate

8.992 GPixel/s

8.000 GTexel/s

Texture Rate

17.98 GTexel/s

-

105.6 GFLOPS

FP32 (float)

863.2 GFLOPS

-

FP64 (double)

26.98 GFLOPS

Board Design

23W

TDP

33W

-

No outputs

Outputs

No outputs

-

Graphics Processor

GT216

GPU Name

GM108

N10P-GE-A2

GPU Variant

-

Tesla 2.0

Architecture

Maxwell

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

0.486 billion

Transistors

Unknown

100 mm²

Die Size

Unknown

Graphics Features

11.1 (10_1)

DirectX

12 (11_0)

3.3

OpenGL

4.6

1.1

OpenCL

3.0

N/A

Vulkan

1.3

1.2

CUDA

5.0

4.1

Shader Model

5.1

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