Quadro K420 vs Radeon HD 6870
If you are going to buy a new graphics card and are choosing between Quadro K420 and Radeon HD 6870, there are a couple of things to consider. Cards with more VRAM in general perform better and allow you to play on higher graphics settings. Size also makes a difference. A model with a large heatsink can occupy up to three expansion slots on a motherboard. Be sure you have enough room in your PC case. When comparing GPUs with different architectures, more processing cores and even higher TFLOPS will not always translate to better performance. To help you decide which GPU you need, we have measured frame rates in a number of popular games. For more on how the Quadro K420 stacks up against Radeon HD 6870, check out specs charts below.
Main Specs
Quadro K420
Radeon HD 6870
Power consumption (TDP)
41 Watt
151 Watt
Interface
PCIe 2.0 x16
PCIe 2.0 x16
Supplementary power connectors
None
2x 6-pin
Memory type
128 Bit
GDDR5
Maximum RAM amount
1 GB/2 GB
1 GB
Display Connectors
1x DVI, 1x DisplayPort
2x DVI, 1x HDMI, 2x mini-DisplayPort
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Radeon HD 6870 has 268% more power consumption, than Quadro K420.
Both video cards are using PCIe 2.0 x16 interface connection to a motherboard.
Quadro K420 and Radeon HD 6870 have maximum RAM of 1 GB.
Both cards are used in Desktops.
Quadro K420 is build with Kepler architecture, and Radeon HD 6870 - with Terascale 2.
Quadro K420 is manufactured by 28 nm process technology, and Radeon HD 6870 - by 40 nm process technology.
Radeon HD 6870 is 60 mm longer, than Quadro K420.
Memory clock speed of Quadro K420 is 732 MHz higher, than Radeon HD 6870.
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
10−12
ultra / 1080p
0−1
6−7
QHD / 1440p
0−1
1−2
low / 720p
9−10
24−27
medium / 1080p
1−2
12−14
The average gaming FPS of Radeon HD 6870 in Assassin's Creed Odyssey is 280% more, than Quadro K420.
high / 1080p
−
18−20
ultra / 1080p
1−2
14−16
QHD / 1440p
0−1
1−2
low / 720p
9−10
35−40
medium / 1080p
2−3
20−22
The average gaming FPS of Radeon HD 6870 in Battlefield 5 is 500% more, than Quadro K420.
low / 768p
50−55
45−50
high / 1080p
45−50
−
QHD / 1440p
0−1
0−1
The average gaming FPS of Quadro K420 in Call of Duty: Warzone is 10% more, than Radeon HD 6870.
low / 768p
100−110
180−190
medium / 768p
75−80
140−150
ultra / 1080p
30−35
75−80
QHD / 1440p
−
40−45
4K / 2160p
9−10
30−33
high / 768p
50−55
110−120
The average gaming FPS of Radeon HD 6870 in Counter-Strike: Global Offensive is 100% more, than Quadro K420.
low / 768p
70−75
55−60
ultra / 1080p
10−12
30−33
medium / 1080p
45−50
45−50
The average gaming FPS of Radeon HD 6870 in Cyberpunk 2077 is 4% more, than Quadro K420.
low / 768p
65−70
95−100
medium / 768p
35−40
75−80
ultra / 1080p
14−16
50−55
The average gaming FPS of Radeon HD 6870 in Dota 2 is 87% more, than Quadro K420.
high / 1080p
1−2
12−14
ultra / 1080p
−
12−14
4K / 2160p
0−1
5−6
low / 720p
7−8
27−30
medium / 1080p
2−3
14−16
The average gaming FPS of Radeon HD 6870 in Far Cry 5 is 500% more, than Quadro K420.
high / 1080p
−
20−22
ultra / 1080p
−
14−16
QHD / 1440p
0−1
−
low / 720p
40−45
80−85
medium / 1080p
4−5
35−40
The average gaming FPS of Radeon HD 6870 in Fortnite is 160% more, than Quadro K420.
high / 1080p
1−2
18−20
ultra / 1080p
−
14−16
QHD / 1440p
0−1
5−6
low / 720p
10−12
40−45
medium / 1080p
3−4
21−24
The average gaming FPS of Radeon HD 6870 in Forza Horizon 4 is 460% more, than Quadro K420.
low / 768p
35−40
70−75
medium / 768p
−
60−65
high / 1080p
1−2
21−24
ultra / 1080p
−
9−10
QHD / 1440p
0−1
0−1
medium / 720p
30−35
−
The average gaming FPS of Radeon HD 6870 in Grand Theft Auto V is 147% more, than Quadro K420.
high / 1080p
0−1
7−8
ultra / 1080p
0−1
5−6
4K / 2160p
0−1
1−2
low / 720p
1−2
21−24
medium / 1080p
−
9−10
The average gaming FPS of Radeon HD 6870 in Metro Exodus is 2100% more, than Quadro K420.
low / 768p
85−90
100−110
high / 1080p
50−55
−
ultra / 1080p
−
90−95
medium / 1080p
−
100−105
The average gaming FPS of Radeon HD 6870 in Minecraft is 20% more, than Quadro K420.
high / 1080p
14−16
18−20
ultra / 1080p
12−14
16−18
low / 720p
21−24
45−50
medium / 1080p
14−16
21−24
The average gaming FPS of Radeon HD 6870 in PLAYERUNKNOWN'S BATTLEGROUNDS is 62% more, than Quadro K420.
high / 1080p
−
12−14
ultra / 1080p
−
8−9
QHD / 1440p
0−1
0−1
low / 720p
2−3
20−22
medium / 1080p
−
12−14
The average gaming FPS of Radeon HD 6870 in Red Dead Redemption 2 is 950% more, than Quadro K420.
low / 768p
4−5
40−45
medium / 768p
−
24−27
high / 1080p
2−3
14−16
ultra / 1080p
−
8−9
4K / 2160p
0−1
7−8
The average gaming FPS of Radeon HD 6870 in The Witcher 3: Wild Hunt is 833% more, than Quadro K420.
low / 768p
65−70
95−100
medium / 768p
30−35
55−60
ultra / 1080p
10−12
27−30
high / 768p
27−30
45−50
The average gaming FPS of Radeon HD 6870 in World of Tanks is 67% more, than Quadro K420.
Full Specs
Quadro K420
Radeon HD 6870
Architecture
Kepler
Terascale 2
Code name
GK107
RV940 Barts
Type
Workstation
Desktop
Release date
22 July 2014
22 October 2010
Pipelines
192
1120
Core clock speed
876 MHz
Boost Clock
900 MHz
Transistor count
1,270 million
1,700 million
Manufacturing process technology
28 nm
40 nm
Texture fill rate
14.02
50.40
Floating-point performance
336.4 gflops
2,016.0 gflops
Length
160 mm
220 mm
Memory bus width
128 Bit
256 Bit
Memory clock speed
1782 MHz
1050 MHz
Memory bandwidth
134.4 GB/s
Shared memory
-
DirectX
12
Shader Model
5
5.0
OpenGL
4.5
4.4
OpenCL
1.2
1.2
Vulkan
+
CUDA
3.0
Bus support
PCIe 2.0 x16
HDMI
+
Bitcoin / BTC (SHA256)
11 Mh/s
213 Mh/s
Eyefinity
+
Design
reference
CrossFire
+
3D Vision Pro
+
Mosaic
+
Width
1" (2.5 cm)
Number of simultaneous displays
4
nView Desktop Management
+
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