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Gaming Performance Comparison

Recommended System Requirements
Game GeForce GT 650M Mac 1GB Edition GeForce 920M 2GB
Cyberpunk 2077 465% 737%
Hitman 3 635% 989%
Assassins Creed: Valhalla 417% 666%
The Medium 605% 944%
Resident Evil 8 465% 737%
FIFA 21 185% 322%
Call of Duty: Black Ops Cold War 400% 641%
Grand Theft Auto VI 695% 1078%
Genshin Impact 465% 737%
Far Cry 6 718% 1111%

In terms of overall gaming performance, the graphical capabilities of the Nvidia GeForce GT 650M Mac 1GB Edition are significantly better than the Nvidia GeForce 920M 2GB.

The GT 650M has a 325 MHz higher core clock speed and the same number of Texture Mapping Units as the GeForce 920M 2GB. This results in the GT 650M providing 10.4 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 GT 650M has a 325 MHz higher core clock speed and 8 more Render Output Units than the GeForce 920M 2GB. This results in the GT 650M providing 9.8 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 920M 2GB was released over a year more recently than the GT 650M, and so the GeForce 920M 2GB is likely to have better driver support, meaning it will be more optimized for running the latest games when compared to the GT 650M.

The GeForce 920M 2GB has 1024 MB more video memory than the GT 650M, so is likely to be much better at displaying game textures at higher resolutions. However, overall, the GT 650M has superior memory performance.

The GT 650M has 65.9 GB/sec greater memory bandwidth than the GeForce 920M 2GB, which means that the memory performance of the GT 650M is much better than the GeForce 920M 2GB.

Both the GeForce GT 650M Mac 1GB Edition and the GeForce 920M 2GB have 384 Shader Processing Units. While the two GPUs have the same number of SPUs, the actual performance delivered by the GeForce 920M 2GB is 366 and by the GT 650M is 366. Knowing that the shader performance of the GeForce 920M 2GB is superior, it is not necessary to examine the GPUs' respective Texture and Pixel Fill Rates.

The GeForce GT 650M Mac 1GB Edition requires 45 Watts to run and the GeForce 920M 2GB requires 25 Watts. The GT 650M requires 20 Watts more than the GeForce 920M 2GB to run. The difference is not significant enough for the GT 650M to have a noticeably larger impact on your yearly electricity bills than the GeForce 920M 2GB.

Game FPS Benchmarks On Ultra

GPU Architecture

Core Speed900 MHzvs575 MHz
Boost Clock-vs954 MHz
ArchitectureKepler GK107-N13P-GT-W-A2Kepler GK208-N16V-GM
OC Potential Poor vs Poor
Driver Support Good vs Good
Release Date12 Jul 2012vs13 Mar 2015
GPU LinkGD LinkGD Link
Approved
Comparison

Resolution Performance

1366x768
7.7
green tick vs
6.4
1600x900
5.8
green tick vs
4.9
1920x1080
4.4
green tick vs
3.3
2560x1440
2.8
green tick vs
2.3
3840x2160
1.9
green tick vs
1.5

GPU Memory

Memory1024 MBvs2048 MB
Memory Speed1254 MHzvs900 MHz
Memory Bus128 Bitvs64 Bit
Memory TypeGDDR5vsDDR3
Memory Bandwidth80.3GB/secvs14.4GB/sec
L2 Cache 256 KB green tick vs 128 KB
Delta Color Compression no vs no
Memory Performance 0% green tick vs green tick 0%
Comparison

GPU Display

Shader Processing Units384vs384
Actual Shader Performance17%vs18%
Technology28nmvs28nm
Texture Mapping Units32vs32
Texture Rate28.8 GTexel/svs18.4 GTexel/s
Render Output Units16vs8
Pixel Rate14.4 GPixel/svs4.6 GPixel/s
Comparison

GPU Outputs

Max Digital Resolution (WxH)4096x2160vs4096x2160
VGA Connections0vs0
DVI Connections0vs0
HDMI Connections0vs0
DisplayPort Connections0vs0
Comparison

GPU Power Requirements

Max Power45 Wattsvs25 Watts
Recommended PSU--

GPU Features

DirectX12.0vs12.0
Shader Model5.0vs5.0
Open GL4.5vs4.5
Open CL-vs-
Notebook GPUyesyes
SLI/Crossfireyesvsno
Dedicatedyesvsyes
Comparison

GPU Supporting Hardware

Recommended ProcessorIntel Core i5-3360M 2.8GHzvsIntel Core i3-4110M 2.6GHz
Recommended RAM8 GBvs4 GB
Maximum Recommended Gaming Resolution1600x900vs1366x768

Gaming Performance Value

Performance Value

GPU Mini Review

Mini ReviewOverview
GeForce GT 650M Mac 1GB Edition 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 which has 2 Stream Multiprocessors activated and thus offers 384 Shader Processing Units, 32 TMUs and 16 ROPs. The Central Unit is clocked at 900MHz.

Memory
The GPU accesses a 1GB frame buffer of fast GDDR5, through a 128-bit memory interface. The size of the frame buffer is adequate. The Memory Clock Operates at 1254MHz.

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

Performance
Gaming benchmarks indicate its performance is similar to GeForce GTX 660M.

System Suggestions
We recommend a decent processor and 8GB of RAM for a system with GeForce GT 650M Mac 1GB Edition.
Overview
GeForce 920M 2GB is an Entry-Level Mobile Graphics Card based on the second revision of the Kepler Architecture.

Architecture
This Graphics Card Equips the Kepler GK208 GPU which is essentially a power optimized version of the GK107 GPU. Whereas it still has a count of 2 Stream Multiprocessors, the bus-width has been cut in half to allow for even a smaller power consumption and consequently a cooler operating temperature.
Additionally, the GK208 GPU allows the Central Unit to reach a significant higher frequency, thanks to the Kepler Boost 2.0 Technology. The better the laptop's cooling system, the higher the frequency.

GPU
It equips a GPU Codenamed GK208-N16V-GM which has 2 Stream Multiprocessors activated and thus offers 384 Shader Processing Units, 16 TMUs and 8 ROPs. The Central Unit is Initially clocked at 575MHz and goes up to 954MHz, in Turbo Mode.

Memory
The GPU accesses a 2GB frame buffer of DDR3, through a 64-bit memory interface. The size of the frame buffer is exaggerated and in no way benefits the GPU. The Memory Clock Operates at 900MHz.

Power Consumption
With a rated board TDP of 25W, it is suited for small laptops.

Performance
GeForce 920M 2GB is essentially a slightly faster GeForce GT 735M and offers more or less comparable performance.

System Suggestions
We recommend a Modest Processor and 4GB of RAM for a system with GeForce GT 920M 2GB.
Recommended CPU
Possible GPU Upgrades
N/A
N/A
GPU Variants
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