GeForce GT 420
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GeForce_GT_420
Release period
Release Period- Sep-2010
GeForce GT 420 Review

Overview
GeForce GT 420 is an OEM only 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 GF108-200-A1 which has 1 Stream Multiprocessors activated and thus offers 48 Shader Processing Units, 4 TMUs and 4 ROPs. The Central Unit is clocked at 700MHz.


Memory
The GPU accesses a 2GB 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 900MHz.


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 50W, 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 around of a Radeon HD 5450.


System Suggestions
We recommend a modest processor (Intel Celeron) and 4GB of RAM for a system with GeForce GT 430.


Source [Pip]
Resolution Performance
1366x768 1600x900 1920x1080 2560x1440 3840x2160
-
3
1.8
1.6
1.2
GeForce GT 420 Performance Specification
Core Speed
Architecture
Memory
Memory Speed
Memory Bus
Memory Type
Memory Bandwidth
L2 Cache
Technology
TMUs
Texture Rate
ROPs
Pixel Rate
Shader
Processing Units
Actual Shader
Performance
Direct X
Shader
Open GL
Resolution (WxH)
Max Power
PSU
Power Connector
GPU Details
700 MHz
Fermi GF108-200-A1
2048 MB
900 MHz
128 Bit
DDR3
28.8GB/sec
256KB
40nm
4
3 GTexel/s
4
3 GPixel/s
48
67
DX 11
5.0
4.1
2560x1600
50 Watts
300 Watt & 22 Amps
None
Notebook GPU
SLI/Crossfire
Dedicated
Integrated
VGA Connection
DVI Connection
HDMI Connection
Best CPU Match
Best RAM Match
Best Screen Size
Release Price
GPU Upgrade
Approved
Driver Support
GD Value
GD RATING

Can I Run It

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GPU:
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Nvidia
400 Series
GeForce GT 420
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1
0
CommandoRazor
22:07 Jan-17-2013
CommandoRazor's Rig
Saved at: Aug-12-2014
Compared to your Rig
CPU
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GFX
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RAM
8GB DDR3 1333MHz
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RES
1920 x 1080
width x height

420 blaze it

0
maza90210
17:26 Nov-23-2012
maza90210's Rig
Saved at: Sep-08-2013
Compared to your Rig
CPU
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GFX
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RAM
2GB DDR2 667MHz
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RES
1920 x 1080
width x height

it's like 8% better than mine --

0
diogon
21:32 Dec-22-2012
diogon's Rig
Saved at: Mar-01-2015
Compared to your Rig
CPU
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GFX
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RAM
8GB DDR3 1600MHz
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RES
1920 x 1080
width x height

mine its 10% better

1
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GeForce GT 420 Extras
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