Quadro FX 3800 vs Quadro K420
When choosing between Quadro FX 3800 and Quadro K420, it is worth examining the specifications of the models in detail. Do they meet the recommended requirements of modern games and software? Storage capacity, form factor, TDP, available ports, warranty and manufacturer support are all important. For example, the size of a PC case can limit the maximum thickness and length of the card. Often, instead of the factory overclocked card and RGB backlight, it is better to choose a reference model with a more efficient GPU. And make sure that your current power supply unit has the correct connection pins (using adapters is not recommended). This GPUs compare tool is meant to help you to choose the best graphics card for your build. Let's find out the difference between Quadro FX 3800 and Quadro K420.
Quadro FX 3800
Main Specs
Quadro FX 3800
Quadro K420
Power consumption (TDP)
108 Watt
41 Watt
Interface
PCIe 2.0 x16
PCIe 2.0 x16
Supplementary power connectors
1x 6-pin
None
Memory type
GDDR3
128 Bit
Maximum RAM amount
1 GB
1 GB/2 GB
Display Connectors
1x DVI, 2x DisplayPort
1x DVI, 1x DisplayPort
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Quadro FX 3800 has 163% more power consumption, than Quadro K420.
Both video cards are using PCIe 2.0 x16 interface connection to a motherboard.
Quadro FX 3800 and Quadro K420 have maximum RAM of 1 GB.
Both cards are used in Desktops.
Quadro FX 3800 is build with Tesla 2.0 architecture, and Quadro K420 - with Kepler.
Core clock speed of Quadro K420 is 276 MHz higher, than Quadro FX 3800.
Quadro FX 3800 is manufactured by 55 nm process technology, and Quadro K420 - by 28 nm process technology.
Quadro FX 3800 is 38 mm longer, than Quadro K420.
Memory clock speed of Quadro K420 is 182 MHz higher, than Quadro FX 3800.
Game benchmarks
Assassin's Creed Odyssey
Battlefield 5
Call of Duty: Warzone
Counter-Strike: Global Offensive
Cyberpunk 2077
Dota 2
Far Cry 5
Fortnite
Forza Horizon 4
Grand Theft Auto V
Metro Exodus
Minecraft
PLAYERUNKNOWN'S BATTLEGROUNDS
Red Dead Redemption 2
The Witcher 3: Wild Hunt
World of Tanks
high / 1080p
0−1
0−1
ultra / 1080p
0−1
0−1
QHD / 1440p
0−1
0−1
low / 720p
10−11
9−10
medium / 1080p
1−2
1−2
The average gaming FPS of Quadro FX 3800 in Assassin's Creed Odyssey is 20% more, than Quadro K420.
ultra / 1080p
2−3
1−2
QHD / 1440p
0−1
0−1
low / 720p
9−10
9−10
medium / 1080p
2−3
2−3
Quadro FX 3800 and Quadro K420 have the same average FPS in Battlefield 5.
low / 768p
50−55
50−55
high / 1080p
45−50
45−50
QHD / 1440p
0−1
0−1
Quadro FX 3800 and Quadro K420 have the same average FPS in Call of Duty: Warzone.
low / 768p
100−110
100−110
medium / 768p
75−80
75−80
ultra / 1080p
30−35
30−35
4K / 2160p
9−10
9−10
high / 768p
50−55
50−55
Quadro FX 3800 and Quadro K420 have the same average FPS in Counter-Strike: Global Offensive.
low / 768p
70−75
70−75
ultra / 1080p
12−14
10−12
medium / 1080p
45−50
45−50
The average gaming FPS of Quadro FX 3800 in Cyberpunk 2077 is 2% more, than Quadro K420.
low / 768p
65−70
65−70
medium / 768p
40−45
35−40
ultra / 1080p
14−16
14−16
The average gaming FPS of Quadro FX 3800 in Dota 2 is 2% more, than Quadro K420.
high / 1080p
1−2
1−2
4K / 2160p
0−1
0−1
low / 720p
7−8
7−8
medium / 1080p
2−3
2−3
Quadro FX 3800 and Quadro K420 have the same average FPS in Far Cry 5.
QHD / 1440p
0−1
0−1
low / 720p
40−45
40−45
medium / 1080p
4−5
4−5
Quadro FX 3800 and Quadro K420 have the same average FPS in Fortnite.
high / 1080p
1−2
1−2
QHD / 1440p
0−1
0−1
low / 720p
12−14
10−12
medium / 1080p
4−5
3−4
The average gaming FPS of Quadro FX 3800 in Forza Horizon 4 is 20% more, than Quadro K420.
low / 768p
35−40
35−40
high / 1080p
1−2
1−2
QHD / 1440p
0−1
0−1
medium / 720p
30−35
30−35
Quadro FX 3800 and Quadro K420 have the same average FPS in Grand Theft Auto V.
high / 1080p
0−1
0−1
ultra / 1080p
0−1
0−1
4K / 2160p
0−1
0−1
low / 720p
1−2
1−2
Quadro FX 3800 and Quadro K420 have the same average FPS in Metro Exodus.
low / 768p
85−90
85−90
high / 1080p
50−55
50−55
Quadro FX 3800 and Quadro K420 have the same average FPS in Minecraft.
high / 1080p
14−16
14−16
ultra / 1080p
12−14
12−14
low / 720p
21−24
21−24
medium / 1080p
14−16
14−16
Quadro FX 3800 and Quadro K420 have the same average FPS in PLAYERUNKNOWN'S BATTLEGROUNDS.
QHD / 1440p
0−1
0−1
low / 720p
2−3
2−3
Quadro FX 3800 and Quadro K420 have the same average FPS in Red Dead Redemption 2.
low / 768p
4−5
4−5
high / 1080p
2−3
2−3
4K / 2160p
0−1
0−1
Quadro FX 3800 and Quadro K420 have the same average FPS in The Witcher 3: Wild Hunt.
low / 768p
65−70
65−70
medium / 768p
30−35
30−35
ultra / 1080p
10−12
10−12
high / 768p
27−30
27−30
Quadro FX 3800 and Quadro K420 have the same average FPS in World of Tanks.
Full Specs
Quadro FX 3800
Quadro K420
Architecture
Tesla 2.0
Kepler
Code name
GT200B
GK107
Type
Workstation
Workstation
Release date
30 March 2009
22 July 2014
Pipelines
192
192
Core clock speed
600 MHz
876 MHz
Transistor count
1,400 million
1,270 million
Manufacturing process technology
55 nm
28 nm
Texture fill rate
38.40
14.02
Floating-point performance
462.3 gflops
336.4 gflops
Length
198 mm
160 mm
Memory bus width
256 Bit
128 Bit
Memory clock speed
1600 MHz
1782 MHz
Memory bandwidth
51.2 GB/s
DirectX
11.1 (10_0)
12
Shader Model
4.0
5
OpenGL
3.3
4.5
OpenCL
1.1
1.2
Vulkan
N/A
+
CUDA
1.3
3.0
Bitcoin / BTC (SHA256)
11 Mh/s
3D Vision Pro
+
Mosaic
+
Width
1" (2.5 cm)
Number of simultaneous displays
4
nView Desktop Management
+
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