Select any two GPUs for comparison
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Gaming Performance Comparison

Recommended System Requirements
Game GeForce GTX 660M GeForce GT 230M
Red Dead Redemption 2 435% 1797%
Cyberpunk 2077 635% 2506%
Dragon Ball Z Kakarot 230% 1070%
Microsoft Flight Simulator 635% 2506%
Call of Duty: Modern Warfare 435% 1797%
Doom Eternal 360% 1531%
FIFA 20 185% 911%
Grand Theft Auto VI 718% 2799%
Need For Speed Heat 435% 1797%
Halo: Reach 70% 503%

In terms of overall gaming performance, the graphical capabilities of the Nvidia GeForce GTX 660M are massively better than the Nvidia GeForce GT 230M.

The GeForce GTX 660M has a 335 MHz higher core clock speed and 16 more Texture Mapping Units than the GeForce GT 230M. This results in the GeForce GTX 660M providing 18.7 GTexel/s better texturing performance. This still holds weight but shader performance is generally more relevant, particularly since both of these GPUs support at least DirectX 10.

The GeForce GTX 660M has a 335 MHz higher core clock speed and 8 more Render Output Units than the GeForce GT 230M. This results in the GeForce GTX 660M providing 9.4 GPixel/s better pixeling performance. However, both GPUs support DirectX 9 or above, and pixeling performance is only really relevant when comparing older cards.

The GeForce GTX 660M was released over a year more recently than the GeForce GT 230M, and so the GeForce GTX 660M is likely to have better driver support, meaning it will be more optimized for running the latest games when compared to the GeForce GT 230M.

The GeForce GTX 660M has 1024 MB more video memory than the GeForce GT 230M, so is likely to be much better at displaying game textures at higher resolutions. This is supported by the fact that the GeForce GTX 660M also has superior memory performance overall.

The GeForce GTX 660M has 38.4 GB/sec greater memory bandwidth than the GeForce GT 230M, which means that the memory performance of the GeForce GTX 660M is noticeably better than the GeForce GT 230M.

The GeForce GTX 660M has 384 Shader Processing Units and the GeForce GT 230M has 48. However, the actual shader performance of the GeForce GTX 660M is 365 and the actual shader performance of the GeForce GT 230M is 53. The GeForce GTX 660M having 312 better shader performance and an altogether better performance when taking into account other relevant data means that the GeForce GTX 660M delivers a significantly smoother and more efficient experience when processing graphical data than the GeForce GT 230M.

The GeForce GTX 660M transistor size technology is 12 nm (nanometers) smaller than the GeForce GT 230M. This means that the GeForce GTX 660M is expected to run slightly cooler and achieve higher clock frequencies than the GeForce GT 230M.

The GeForce GTX 660M requires 50 Watts to run and the GeForce GT 230M requires 23 Watts. The GeForce GTX 660M requires 27 Watts more than the GeForce GT 230M to run. The difference is not significant enough for the GeForce GTX 660M to have a noticeably larger impact on your yearly electricity bills than the GeForce GT 230M.

Game FPS Benchmarks On Ultra

GPU Architecture

Core Speed835 MHzvs500 MHz
Boost Clock950 MHzvs-
ArchitectureKepler GK107-N13E-GE-A2Tesla GT216-N10P-GE-A2
OC Potential Poor vs Fair
Driver Support Good vs Poor
Release Date22 Mar 2012vs15 Jun 2009
GPU LinkGD LinkGD Link
Approved
Comparison

Resolution Performance

1366x768
7.9
green tick vs -
1600x900
5.9
green tick vs -
1920x1080
4.4
green tick vs -
2560x1440
2.8
green tick vs -
3840x2160
1.8
green tick vs -

GPU Memory

Memory2048 MBvs1024 MB
Memory Speed1000 MHzvs800 MHz
Memory Bus128 Bitvs128 Bit
Memory TypeGDDR5vsGDDR3
Memory Bandwidth64GB/secvs25.6GB/sec
L2 Cache 256 KB green tick vs 0 KB
Delta Color Compression no vs no
Memory Performance 0% green tick vs green tick 0%
Comparison

GPU Display

Shader Processing Units384vs48
Actual Shader Performance18%vs3%
Technology28nmvs40nm
Texture Mapping Units32vs16
Texture Rate26.7 GTexel/svs8 GTexel/s
Render Output Units16vs8
Pixel Rate13.4 GPixel/svs4 GPixel/s
Comparison

GPU Outputs

Max Digital Resolution (WxH)4096x2160vs2560x1600
VGA Connections0vs1
DVI Connections0vs2
HDMI Connections0vs1
DisplayPort Connections-vs-
Comparison

GPU Power Requirements

Max Power50 Wattsvs23 Watts
Recommended PSU--

GPU Features

DirectX12.0vs10.1
Shader Model5.0vs4.0
Open GL4.5vs3.3
Open CL-vs-
Notebook GPUyesyes
SLI/Crossfireyesvsno
Dedicatedyesvsyes
Comparison

GPU Supporting Hardware

Recommended ProcessorIntel Core i5-3360M 2.8GHzvsIntel Core 2 Duo T9300 2.50GHz
Recommended RAM8 GBvs4 GB
Maximum Recommended Gaming Resolution1600x900vs1366x768

Gaming Performance Value

Performance Value

GPU Mini Review

Mini ReviewOverview
GeForce GTX 660M is a Fast-Middle-Class Mobile Graphics Card based on the first revision of the Kepler Architecture.

Architecture
The Kepler Architecture was NVIDIA's big step to power efficiency. Each Stream Multiprocessor (SMX) now hosts 192 Shader Processing Units - against the 48 of older Fermi Architecture, and has been redesigned being now clocked at the same speed of the Central Unit. This means they are more energy efficient and will consequently lead to cooler operating temperatures. However, it also means they are weaker. It can be said that one Fermi SMX is as fast as 2 Kepler SMXs.
Additionally, and not available in all GPUs, Kepler also introduced the Boost Clock Feature. The Boost Clock is an even higher Clock Speed activated when in gaming mode and becomes the effective speed of the GPU.

GPU
It equips a GPU Codenamed GK107-N13E-GE-A2 which has 2 Stream Multiprocessors activated and thus offers 384 Shader Processing Units, 32 TMUs and 16 ROPs. The Central Unit is initially clocked at 835MHz and goes up to 950MHz, in Turbo Mode.

Memory
The GPU accesses a 2GB frame buffer of fast GDDR5, through a 128-bit memory interface. The size of the frame buffer is exaggerated and no way benefits the GPU. The Memory Clock Operates at 1000MHz.

Features
DirectX 11.0 Support (11.0 Hardware Default) and support for SLI, Kepler Boost, Optimus, CUDA, OpenCL, DirectCompute, 3D Vision Surround, PhysX, Realtime Raytracing and other technologies

Power Consumption
With a rated board TDP of 45W, it is suited for average sized laptops.

Performance
Gaming benchmarks indicate its performance is not too far from the desktop GeForce GTX 650.

System Suggestions
We recommend a decent processor (Intel Core i5 Mobile) and 8GB of RAM for a system with GeForce GTX 660M.
GeForce GT 230M is a middle-class level GFX of the 200M Series released by NVIDIA in 2009/2010. The biggest hindrance it has is the fact that it only supports DirectX up to 10.1 so DirectX 11 games aren't supported.
It's based on the architecture 'GT216', same used on the entry GeForce GT 220 part of the desktop 200 Series. The performance should be lower than the desktop GT 220, due to the lower clock frequencies.
Demanding games should run at low or medium settings, depending on the resolution + DirectX version used. Very demanding games like Metro 2033 might be unplayable even at the lowest settings or only playable at the lowest resolution, which is unbearable, even to the casual gamer. Even old demanding games like Call of Duty 4: Modern Warfare cannot be played at MAX settings smoothly.
Recommended CPU
Possible GPU Upgrades
N/A
N/A
GPU Variants
-
-

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