Quadro K420 vs Radeon HD 7950
Find out if it is worth upgrading your current GPU setup by comparing Quadro K420 and Radeon HD 7950. Here you can take a closer look at graphics cards specs, such as core clock speed, memory type and size, display connectors, etc. The price, overall benchmark and gaming performances are usually defining factors when it comes to choosing between Quadro K420 and Radeon HD 7950. Make sure that the graphics card has compatible dimensions and will properly fit in your new or current computer case. Also these graphics cards may have different system power recommendations, so take that into consideration and upgrade your PSU if necessary.
Main Specs
Quadro K420
Radeon HD 7950
Power consumption (TDP)
41 Watt
200 Watt
Interface
PCIe 2.0 x16
PCIe 3.0 x16
Supplementary power connectors
None
2x 6-pin
Memory type
128 Bit
GDDR5
Maximum RAM amount
1 GB/2 GB
3 GB
Display Connectors
1x DVI, 1x DisplayPort
1x DVI, 1x HDMI, 2x mini-DisplayPort
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Radeon HD 7950 has 387% more power consumption, than Quadro K420.
Quadro K420 is connected by PCIe 2.0 x16, and Radeon HD 7950 uses PCIe 3.0 x16 interface.
Radeon HD 7950 has 2 GB more memory, than Quadro K420.
Both cards are used in Desktops.
Quadro K420 is build with Kepler architecture, and Radeon HD 7950 - with GCN 1.0.
Quadro K420 and Radeon HD 7950 are manufactured by 28 nm process technology.
Radeon HD 7950 is 107 mm longer, than Quadro K420.
Memory clock speed of Quadro K420 is 532 MHz higher, than Radeon HD 7950.
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
35−40
ultra / 1080p
0−1
21−24
QHD / 1440p
0−1
16−18
4K / 2160p
−
10−11
low / 720p
9−10
60−65
medium / 1080p
1−2
40−45
The average gaming FPS of Radeon HD 7950 in Assassin's Creed Odyssey is 940% more, than Quadro K420.
high / 1080p
−
55−60
ultra / 1080p
1−2
45−50
QHD / 1440p
0−1
35−40
4K / 2160p
−
18−20
low / 720p
9−10
100−110
medium / 1080p
2−3
60−65
The average gaming FPS of Radeon HD 7950 in Battlefield 5 is 1675% more, than Quadro K420.
low / 768p
50−55
50−55
high / 1080p
45−50
−
QHD / 1440p
0−1
0−1
Quadro K420 and Radeon HD 7950 have the same average FPS in Call of Duty: Warzone.
low / 768p
100−110
250−260
medium / 768p
75−80
220−230
ultra / 1080p
30−35
180−190
QHD / 1440p
−
110−120
4K / 2160p
9−10
70−75
high / 768p
50−55
210−220
The average gaming FPS of Radeon HD 7950 in Counter-Strike: Global Offensive is 245% more, than Quadro K420.
low / 768p
70−75
60−65
ultra / 1080p
10−12
−
medium / 1080p
45−50
55−60
Quadro K420 and Radeon HD 7950 have the same average FPS in Cyberpunk 2077.
low / 768p
65−70
120−130
medium / 768p
35−40
110−120
ultra / 1080p
14−16
100−110
The average gaming FPS of Radeon HD 7950 in Dota 2 is 187% more, than Quadro K420.
high / 1080p
1−2
45−50
ultra / 1080p
−
40−45
QHD / 1440p
−
27−30
4K / 2160p
0−1
14−16
low / 720p
7−8
80−85
medium / 1080p
2−3
45−50
The average gaming FPS of Radeon HD 7950 in Far Cry 5 is 1866% more, than Quadro K420.
high / 1080p
−
60−65
ultra / 1080p
−
45−50
QHD / 1440p
0−1
27−30
4K / 2160p
−
27−30
low / 720p
40−45
180−190
medium / 1080p
4−5
110−120
The average gaming FPS of Radeon HD 7950 in Fortnite is 552% more, than Quadro K420.
high / 1080p
1−2
60−65
ultra / 1080p
−
45−50
QHD / 1440p
0−1
30−35
4K / 2160p
−
24−27
low / 720p
10−12
100−110
medium / 1080p
3−4
65−70
The average gaming FPS of Radeon HD 7950 in Forza Horizon 4 is 1460% more, than Quadro K420.
low / 768p
35−40
140−150
medium / 768p
−
120−130
high / 1080p
1−2
70−75
ultra / 1080p
−
30−35
QHD / 1440p
0−1
21−24
medium / 720p
30−35
−
The average gaming FPS of Radeon HD 7950 in Grand Theft Auto V is 468% more, than Quadro K420.
high / 1080p
0−1
24−27
ultra / 1080p
0−1
20−22
QHD / 1440p
−
16−18
4K / 2160p
0−1
8−9
low / 720p
1−2
65−70
medium / 1080p
−
30−35
The average gaming FPS of Radeon HD 7950 in Metro Exodus is 6600% more, than Quadro K420.
low / 768p
85−90
130−140
high / 1080p
50−55
−
medium / 1080p
−
120−130
The average gaming FPS of Radeon HD 7950 in Minecraft is 55% more, than Quadro K420.
high / 1080p
14−16
−
ultra / 1080p
12−14
14−16
low / 720p
21−24
100−110
medium / 1080p
14−16
18−20
The average gaming FPS of Radeon HD 7950 in PLAYERUNKNOWN'S BATTLEGROUNDS is 187% more, than Quadro K420.
high / 1080p
−
24−27
ultra / 1080p
−
16−18
QHD / 1440p
0−1
10−11
4K / 2160p
−
7−8
low / 720p
2−3
65−70
medium / 1080p
−
35−40
The average gaming FPS of Radeon HD 7950 in Red Dead Redemption 2 is 3250% more, than Quadro K420.
low / 768p
4−5
130−140
medium / 768p
−
85−90
high / 1080p
2−3
45−50
ultra / 1080p
−
24−27
4K / 2160p
0−1
16−18
The average gaming FPS of Radeon HD 7950 in The Witcher 3: Wild Hunt is 2933% more, than Quadro K420.
low / 768p
65−70
90−95
medium / 768p
30−35
60−65
ultra / 1080p
10−12
50−55
high / 768p
27−30
60−65
The average gaming FPS of Radeon HD 7950 in World of Tanks is 97% more, than Quadro K420.
Full Specs
Quadro K420
Radeon HD 7950
Architecture
Kepler
GCN 1.0
Code name
GK107
Tahiti
Type
Workstation
Desktop
Release date
22 July 2014
31 January 2012
Pipelines
192
1792
Core clock speed
876 MHz
Boost Clock
1250 MHz
Transistor count
1,270 million
4,313 million
Manufacturing process technology
28 nm
28 nm
Texture fill rate
14.02
89.60
Floating-point performance
336.4 gflops
2,867 gflops
Length
160 mm
267 mm
Memory bus width
128 Bit
384 Bit
Memory clock speed
1782 MHz
1250 MHz
Memory bandwidth
240 GB/s
DirectX
12
Shader Model
5
5.1
OpenGL
4.5
4.6
OpenCL
1.2
1.2
Vulkan
+
CUDA
3.0
Monero / XMR (CryptoNight)
0.56 kh/s
FreeSync
+
Bus support
PCIe 3.0 x16
HDMI
+
Bitcoin / BTC (SHA256)
11 Mh/s
381 Mh/s
Eyefinity
+
PowerTune
+
ZeroCore
+
Design
reference
Number of Eyefinity displays
6
CrossFire
+
Decred / DCR (Decred)
0.78 Gh/s
Ethereum / ETH (DaggerHashimoto)
13.86 Mh/s
Zcash / ZEC (Equihash)
250 Sol/s
Compute units
28
3D Vision Pro
+
Mosaic
+
Width
1" (2.5 cm)
Number of simultaneous displays
4
nView Desktop Management
+
AppAcceleration
+
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