Select any two GPUs for comparison
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Gaming Performance Comparison

Recommended System Requirements
Game GeForce GT 620 GeForce GT 230
Halo: Reach 423% 258%
Cyberpunk 2077 2162% 1447%
Red Dead Redemption 2 1546% 1026%
Dragon Ball Z Kakarot 915% 595%
Call of Duty: Modern Warfare 1546% 1026%
Microsoft Flight Simulator 2162% 1447%
Doom Eternal 1315% 868%
Grand Theft Auto VI 2415% 1621%
FIFA 20 777% 500%
Need For Speed Heat 1546% 1026%

In terms of overall gaming performance, the graphical capabilities of the Nvidia GeForce GT 230 are significantly better than the Nvidia GeForce GT 620.

The GeForce GT 620 has a 50 MHz higher core clock speed than the GeForce GT 230, but the GeForce GT 230 has 8 more Texture Mapping Units than the GeForce GT 620. As a result, the GeForce GT 230 exhibits a 4.4 GTexel/s better Texture Fill Rate than the GeForce GT 620. This still holds weight but shader performance is generally more relevant, particularly since both of these GPUs support at least DirectX 10.

The GeForce GT 620 has a 50 MHz higher core clock speed than the GeForce GT 230, but the GeForce GT 230 has 12 more Render Output Units than the GeForce GT 620. As a result, the GeForce GT 230 exhibits a 7.6 GPixel/s better Pixel Fill Rate than the GeForce GT 620. 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 GeForce GT 230, 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 GeForce GT 230.

The GeForce GT 620 has 512 MB more video memory than the GeForce GT 230, so is likely to be much better at displaying game textures at higher resolutions. However, overall, the GeForce GT 230 has superior memory performance.

The GeForce GT 230 has 43.2 GB/sec greater memory bandwidth than the GeForce GT 620, which means that the memory performance of the GeForce GT 230 is noticeably better than the GeForce GT 620.

The GeForce GT 620 has 96 Shader Processing Units and the GeForce GT 230 has 48. However, the actual shader performance of the GeForce GT 620 is 134 and the actual shader performance of the GeForce GT 230 is 78. The GeForce GT 620 having 56 better shader performance is not particularly notable, as altogether the GeForce GT 230 performs better when taking into account other relevant data.

The GeForce GT 620 transistor size technology is 15 nm (nanometers) smaller than the GeForce GT 230. This means that the GeForce GT 620 is expected to run slightly cooler and achieve higher clock frequencies than the GeForce GT 230.

The GeForce GT 620 requires 49 Watts to run and the GeForce GT 230 requires 75 Watts. We would recommend a PSU with at least 300 Watts for the GeForce GT 620 and a PSU with at least 300 Watts for the GeForce GT 230. The GeForce GT 230 requires 26 Watts more than the GeForce GT 620 to run. The difference is not significant enough for the GeForce GT 230 to have a noticeably larger impact on your yearly electricity bills than the GeForce GT 620.

Game FPS Benchmarks On Ultra

GPU Architecture

Core Speed700 MHzvs650 MHz
Boost Clock-vs-
ArchitectureFermi GF108-100-KB-A1Tesla G94-300-B1
OC Potential Fair vs Poor
Driver Support Poor vs Poor
Release Date15 May 2012vs12 Oct 2009
GPU LinkGD LinkGD Link
Approved
Comparison

Resolution Performance

1366x768
4.1
green tick vs -
1600x900
2.8
vs green tick
3.9
1920x1080
2.1
vs green tick
2.6
2560x1440
1.5
vs green tick
1.7
3840x2160 - green tick vs green tick -

GPU Memory

Memory1024 MBvs512 MB
Memory Speed900 MHzvs900 MHz
Memory Bus64 Bitvs256 Bit
Memory TypeDDR3vsGDDR3
Memory Bandwidth14.4GB/secvs57.6GB/sec
L2 Cache 128 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 Units96vs48
Actual Shader Performance6%vs4%
Technology40nmvs55nm
Texture Mapping Units16vs24
Texture Rate11.2 GTexel/svs15.6 GTexel/s
Render Output Units4vs16
Pixel Rate2.8 GPixel/svs10.4 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 Wattsvs75 Watts
Recommended PSU300 Watts & 22 Ampsvs300 Watts & 22 Amps

GPU Features

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

GPU Supporting Hardware

Recommended ProcessorIntel Celeron G550 2.6GHzvsIntel Core 2 Duo E8400 3.0GHz
Recommended RAM4 GBvs4 GB
Maximum Recommended Gaming Resolution1366x768vs1366x768

Gaming Performance Value

Performance Value

GPU Mini Review

Mini ReviewOverview
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.
Overview
GeForce GT 230 is a Middle-Class Graphics Card based on the First Revision of the Tesla Architecture.

Architecture
Tesla was NVIDIA's First Unified Shader Architecture.

GPU
It equips a GPU Codenamed G94-300-B1 which has 3 Stream Multiprocessors activated and thus offers 48 Shader Processing Units, 24 TMUs and 16 ROPs. The Central Unit is clocked at 650MHz.

Memory
The GPU accesses a 512MB frame buffer of GDDR3, through a 256-bit memory interface. The size of the frame buffer is adequate. The Memory Clock Operates at 900MHz.

Features
DirectX 10.0 Support (10.0 Hardware Default) and support for NVIDIA PureVideo HD Technology, Dual-stream Hardware Acceleration, PhysX, CUDA, HybridPower and other technologies.

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

Power Consumption
With a rated board TDP of 75W, it relies entirely on the PCI Slot for Power meaning no extra connectors are required.

Performance
Gaming benchmarks put its performance on level with a Radeon HD 5570, meaning it is slightly faster than the more recent Fermi GeForce GT 430.
Recommended CPU
Possible GPU Upgrades
GPU Variants
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