Radeon HD 6850M vs Quadro K420

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Aggregate performance score

We've compared Quadro K420 with Radeon HD 6850M, including specs and performance data.

Quadro K420
2014
1 GB/2 GB 128-bit, 41 Watt
1.93

HD 6850M outperforms Quadro K420 by a minimal 1% based on our aggregate benchmark results.

Primary details

GPU architecture, market segment, value for money and other general parameters compared.

Place in performance ranking864860
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation0.080.14
ArchitectureKepler (2012−2018)Terascale 2 (2009−2015)
GPU code nameGK107Granville Pro/LP
Market segmentWorkstationLaptop
Release date22 July 2014 (9 years ago)6 January 2011 (13 years ago)
Launch price (MSRP)$96.67 no data
Current price$402 (4.2x MSRP)$338

Cost-effectiveness evaluation

Performance to price ratio. The higher, the better.

HD 6850M has 75% better value for money than Quadro K420.

Detailed specifications

General performance parameters such as number of shaders, GPU core base clock and boost clock speeds, manufacturing process, texturing and calculation speed. These parameters indirectly speak of performance, but for precise assessment you have to consider their benchmark and gaming test results. Note that power consumption of some graphics cards can well exceed their nominal TDP, especially when overclocked.

Pipelines / CUDA cores192800
Core clock speed876 MHz575 / 675 MHz
Number of transistors1,270 million1,040 million
Manufacturing process technology28 nm40 nm
Power consumption (TDP)41 Watt50 Watt
Texture fill rate14.0227.00
Floating-point performance336.4 gflops1,080.0 gflops

Form factor & compatibility

Information on Quadro K420 and Radeon HD 6850M compatibility with other computer components. Useful when choosing a future computer configuration or upgrading an existing one. For desktop video cards it's interface and bus (motherboard compatibility), additional power connectors (power supply compatibility). For notebook video cards it's notebook size, connection slot and bus, if the video card is inserted into a slot instead of being soldered to the notebook motherboard.

Laptop sizeno datalarge
InterfacePCIe 2.0 x16PCIe 2.0 x16
Length160 mmno data
Width1" (2.5 cm)no data
Supplementary power connectorsNoneno data

VRAM capacity and type

Parameters of VRAM installed: its type, size, bus, clock and resulting bandwidth. Integrated GPUs have no dedicated video RAM and use a shared part of system RAM.

Memory type128 BitDDR3, GDDR5
Maximum RAM amount1 GB/2 GB1 GB
Memory bus width128 Bit128 Bit
Memory clock speed1782 MHz800 MHz
Memory bandwidthUp to 29 GB/s25.6 GB/s
Shared memoryno data-

Connectivity and outputs

Types and number of video connectors present on the reviewed GPUs. As a rule, data in this section is precise only for desktop reference ones (so-called Founders Edition for NVIDIA chips). OEM manufacturers may change the number and type of output ports, while for notebook cards availability of certain video outputs ports depends on the laptop model rather than on the card itself.

Display ConnectorsDVI-I DPNo outputs
Number of simultaneous displays4no data

Supported technologies

Supported technological solutions. This information will prove useful if you need some particular technology for your purposes.

3D Vision Pro+no data
Mosaic+no data
nView Desktop Management+no data

API compatibility

List of supported graphics and general-purpose computing APIs, including their specific versions.

DirectX1211.2 (11_0)
Shader Model55.0
OpenGL4.54.4
OpenCL1.21.2
Vulkan+N/A
CUDA3.0no data

Gaming performance

Let's see how good the compared graphics cards are for gaming. Particular gaming benchmark results are measured in FPS.

Average FPS across all PC games

Here are the average frames per second in a large set of popular games across different resolutions:

900p18−20
−11.1%
20
+11.1%
Full HD21−24
−9.5%
23
+9.5%

FPS performance in popular games

Full HD
Low Preset

Cyberpunk 2077 3−4
−33.3%
4−5
+33.3%

Full HD
Medium Preset

Assassin's Creed Odyssey 2−3
−50%
3−4
+50%
Battlefield 5 0−1 1−2
Call of Duty: Modern Warfare 4−5
−25%
5−6
+25%
Cyberpunk 2077 3−4
−33.3%
4−5
+33.3%
Far Cry 5 2−3
−50%
3−4
+50%
Far Cry New Dawn 4−5
−25%
5−6
+25%
Forza Horizon 4 6−7
−16.7%
7−8
+16.7%
Hitman 3 3−4
−33.3%
4−5
+33.3%
Horizon Zero Dawn 14−16
−14.3%
16−18
+14.3%
Red Dead Redemption 2 3−4
−33.3%
4−5
+33.3%
Shadow of the Tomb Raider 9−10
−11.1%
10−11
+11.1%
Watch Dogs: Legion 12−14
−8.3%
12−14
+8.3%

Full HD
High Preset

Assassin's Creed Odyssey 2−3
−50%
3−4
+50%
Battlefield 5 0−1 1−2
Call of Duty: Modern Warfare 4−5
−25%
5−6
+25%
Cyberpunk 2077 3−4
−33.3%
4−5
+33.3%
Far Cry 5 2−3
−50%
3−4
+50%
Far Cry New Dawn 4−5
−25%
5−6
+25%
Forza Horizon 4 6−7
−16.7%
7−8
+16.7%
Hitman 3 3−4
−33.3%
4−5
+33.3%
Horizon Zero Dawn 14−16
−14.3%
16−18
+14.3%
Red Dead Redemption 2 3−4
−33.3%
4−5
+33.3%
Shadow of the Tomb Raider 9−10
−11.1%
10−11
+11.1%
The Witcher 3: Wild Hunt 4−5
−25%
5−6
+25%
Watch Dogs: Legion 12−14
−8.3%
12−14
+8.3%

Full HD
Ultra Preset

Assassin's Creed Odyssey 2−3
−50%
3−4
+50%
Call of Duty: Modern Warfare 4−5
−25%
5−6
+25%
Cyberpunk 2077 3−4
−33.3%
4−5
+33.3%
Far Cry 5 2−3
−50%
3−4
+50%
Forza Horizon 4 6−7
−16.7%
7−8
+16.7%
Horizon Zero Dawn 14−16
−14.3%
16−18
+14.3%
Shadow of the Tomb Raider 9−10
−11.1%
10−11
+11.1%
The Witcher 3: Wild Hunt 4−5
−25%
5−6
+25%
Watch Dogs: Legion 12−14
−8.3%
12−14
+8.3%

Full HD
Epic Preset

Red Dead Redemption 2 3−4
−33.3%
4−5
+33.3%

1440p
High Preset

Battlefield 5 2−3
−50%
3−4
+50%
Far Cry New Dawn 1−2
−100%
2−3
+100%

1440p
Ultra Preset

Assassin's Creed Odyssey 0−1 1−2
Call of Duty: Modern Warfare 4−5
−25%
5−6
+25%
Cyberpunk 2077 0−1 1−2
Far Cry 5 2−3
−50%
3−4
+50%
Forza Horizon 4 1−2
−100%
2−3
+100%
Hitman 3 6−7
−16.7%
7−8
+16.7%
Horizon Zero Dawn 5−6
−20%
6−7
+20%
The Witcher 3: Wild Hunt 0−1 1−2
Watch Dogs: Legion 0−1 0−1

1440p
Epic Preset

Red Dead Redemption 2 4−5
−25%
5−6
+25%

4K
High Preset

Far Cry New Dawn 0−1 1−2
Horizon Zero Dawn 1−2
−100%
2−3
+100%

4K
Ultra Preset

Assassin's Creed Odyssey 1−2
−100%
2−3
+100%
Assassin's Creed Valhalla 0−1 0−1
Call of Duty: Modern Warfare 0−1 0−1
Far Cry 5 0−1 1−2
Horizon Zero Dawn 1−2
−100%
2−3
+100%
Metro Exodus 3−4
−33.3%
4−5
+33.3%
Watch Dogs: Legion 0−1 0−1

4K
Epic Preset

Red Dead Redemption 2 2−3
−50%
3−4
+50%

This is how Quadro K420 and HD 6850M compete in popular games:

  • HD 6850M is 11% faster in 900p
  • HD 6850M is 10% faster in 1080p

Pros & cons summary


Performance score 1.93 1.95
Recency 22 July 2014 6 January 2011
Chip lithography 28 nm 40 nm
Power consumption (TDP) 41 Watt 50 Watt

Given the minimal performance differences, no clear winner can be declared between Quadro K420 and Radeon HD 6850M.

Be aware that Quadro K420 is a workstation card while Radeon HD 6850M is a notebook one.


Should you still have questions concerning choice between the reviewed GPUs, ask them in Comments section, and we shall answer.

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NVIDIA Quadro K420
Quadro K420
AMD Radeon HD 6850M
Radeon HD 6850M

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Community ratings

Here you can see the user ratings of the compared graphics cards, as well as rate them yourself.


3.4 140 votes

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3.3 14 votes

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Questions & comments

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