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Gaming Performance Comparison

Recommended System Requirements
Game GeForce GT 430 Gigabyte OC 1GB Edition GeForce GT 620
Red Dead Redemption 2 1054% 1546%
Cyberpunk 2077 1486% 2162%
Dragon Ball Z Kakarot 612% 915%
Microsoft Flight Simulator 1486% 2162%
Call of Duty: Modern Warfare 1054% 1546%
Doom Eternal 892% 1315%
FIFA 20 515% 777%
Grand Theft Auto VI 1664% 2415%
Need For Speed Heat 1054% 1546%
Halo: Reach 267% 423%

In terms of overall gaming performance, the graphical capabilities of the Nvidia GeForce GT 430 Gigabyte OC 1GB Edition are significantly better than the Nvidia GeForce GT 620.

The GT 430 has a 30 MHz higher core clock speed and the same number of Texture Mapping Units as the GeForce GT 620. This results in the GT 430 providing 0.5 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 430 has a 30 MHz higher core clock speed than the GeForce GT 620 and the same number of Render Output Units. This results in the GT 430 providing 0.1 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 GT 620 was released over a year more recently than the GT 430, and so the GeForce GT 620 is likely to have better driver support, meaning it will be more optimized for running the latest games when compared to the GT 430.

The GeForce GT 430 Gigabyte OC 1GB Edition and the GeForce GT 620 have the same amount of video memory, but are likely to provide slightly different experiences when displaying game textures at high resolutions.

The GT 430 has 14.4 GB/sec greater memory bandwidth than the GeForce GT 620, which means that the memory performance of the GT 430 is slightly better than the GeForce GT 620.

Both the GeForce GT 430 Gigabyte OC 1GB Edition and the GeForce GT 620 have 96 Shader Processing Units. While the two GPUs have the same number of SPUs, the actual performance delivered by the GT 430 is 140 and by the GeForce GT 620 is 134. Knowing that the shader performance of the GT 430 is superior, it is not necessary to examine the GPUs' respective Texture and Pixel Fill Rates.

The GeForce GT 430 Gigabyte OC 1GB Edition requires 49 Watts to run and the GeForce GT 620 requires 49 Watts. We would recommend a PSU with at least 400 Watts for the GT 430 and a PSU with at least 300 Watts for the GeForce GT 620. The two GPUs require the same amount of wattage to run. As such, there is no need to worry about which will more significantly affect your yearly electricity bills.

Game FPS Benchmarks On Ultra

GPU Architecture

Core Speed730 MHzvs700 MHz
Boost Clock-vs-
ArchitectureFermi GF108-300-A1Fermi GF108-100-KB-A1
OC Potential Fair vs Fair
Driver Support Poor vs Poor
Release Date01 Nov 2010vs15 May 2012
GPU LinkGD LinkGD Link
Approved
Comparison

Resolution Performance

1366x768 - vs green tick
4.1
1600x900
3.9
green tick vs
2.8
1920x1080
2.6
green tick vs
2.1
2560x1440
1.9
green tick vs
1.5
3840x2160 - green tick vs green tick -

GPU Memory

Memory1024 MBvs1024 MB
Memory Speed900 MHzvs900 MHz
Memory Bus128 Bitvs64 Bit
Memory TypeDDR3vsDDR3
Memory Bandwidth28.8GB/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 Units96vs96
Actual Shader Performance7%vs6%
Technology40nmvs40nm
Texture Mapping Units16vs16
Texture Rate11.7 GTexel/svs11.2 GTexel/s
Render Output Units4vs4
Pixel Rate2.9 GPixel/svs2.8 GPixel/s
Comparison

GPU Outputs

Max Digital Resolution (WxH)2560x1600vs2560x1600
VGA Connections1vs1
DVI Connections1vs1
HDMI Connections1vs1
DisplayPort Connections-vs-
Comparison

GPU Power Requirements

Max Power49 Wattsvs49 Watts
Recommended PSU400 Watts & 29 Ampsvs300 Watts & 22 Amps

GPU Features

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

GPU Supporting Hardware

Recommended ProcessorIntel Celeron E3400 Dual-Core 2.6GHzvsIntel Celeron G550 2.6GHz
Recommended RAM4 GBvs4 GB
Maximum Recommended Gaming Resolution1366x768vs1366x768

Gaming Performance Value

Performance Value

GPU Mini Review

Mini ReviewOverview
GeForce GT 430 Gigabyte OC 1GB Edition is a special edition of NVIDIA's middle-class GeForce GT 430, created by Gigabyte.

Overclock Out of The Box
The Central Unit is now of 730MHz, instead of 700MHz while the Operating Memory Clock was left untouched.

Cooling Solution
The reference Cooling System has been replaced by Gigabyte's Dual Fan Cooling System.

Performance
Benchmarks indicate a 3% performance boost over the reference GeForce GT 430.
Overview
GeForce GT 620 is an Entry-Level Graphics Card based on the first revision of the Fermi Architecture.

Architecture
The Fermi Architecture is manufactured with a 40nm technology and uses a technique known as Hot Clocking: The Shaders are clocked twice as fast as the Central Unit. While this leads to a reasonable performance boost, it causes enormous amounts of energy dissipation, leading, ultimately, to a significantly higher operating temperature.
Fermi is also the first GPU architecture with fully cached memory access which increases memory performance.

GPU
It equips a GPU codenamed Fermi GF108-100-KB-A1 which has 2 Stream Multiprocessors activated and thus offers 96 Shader Processing Units, 16 TMUs and 4 ROPs. The Central Unit is clocked at 700MHz.

Memory
The GPU accesses a 1GB frame buffer of DDR3, through a 128-bit memory interface. The size of the frame buffer is exaggerated and in no way benefits the GPU. The Memory Clock Operates at 500MHz.

Features
DirectX 11.0 Support (11.0 Hardware Default) and support for 3D Vision Surround, PhysX, Realtime Raytracing and other technologies.

Cooling Solution
The Cooling Solution consists of a Single-Fan.

Power Consumption
With a rated board TDP of 49W, it requires at least a 300W PSU and it relies entirely on the PCI Slot for power, meaning no extra connectors are required.

Performance
Gaming benchmarks put its performance is somewhat better than Radeon HD 7470.

System Suggestions
We recommend a modest processor (Intel Celeron) and 4GB of RAM for a system with GeForce GT 620.
Recommended CPU
Possible GPU Upgrades
GPU Variants
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