Radeon RX 6950 XT vs Quadro K420

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GRID K1 GRID K100 GRID K140Q GRID K160Q GRID K340 NVS 510 NVS 1000 Quadro 410 Quadro K420 Quadro K600 Quadro K2000 Quadro K2000D
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Radeon RX 5900 Radeon RX 5900 XT Radeon RX 5950 Radeon RX 5950 XT Radeon RX 6800 Radeon RX 6800 XT Radeon RX 6850 XT Radeon RX 6900 Radeon RX 6900 XT Radeon RX 6900 XTX Radeon RX 6950 XT

Aggregate performance score

We've compared Quadro K420 with Radeon RX 6950 XT, including specs and performance data.

Quadro K420
2014
1 GB/2 GB 128-bit, 41 Watt
1.64

RX 6950 XT outperforms K420 by a whopping 3739% based on our aggregate benchmark results.

Contents

Share:
Quadro K420 Quadro K420
RX 6950 XT RX 6950 XT

Primary details

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

Place in the ranking92323
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation0.0827.30
Power efficiency3.1714.89
ArchitectureKepler (2012−2018)RDNA 2.0 (2020−2024)
GPU code nameGK107Navi 21
Market segmentWorkstationDesktop
Release date22 July 2014 (10 years ago)10 May 2022 (2 years ago)
Launch price (MSRP)$96.67 $1,099

Cost-effectiveness evaluation

The higher the performance-to-price ratio, the better. We use the manufacturer's recommended prices for comparison.

RX 6950 XT has 34025% better value for money than Quadro K420.

Detailed specifications

General parameters such as number of shaders, GPU core base clock and boost clock speeds, manufacturing process, texturing and calculation speed. Note that power consumption of some graphics cards can well exceed their nominal TDP, especially when overclocked.

Pipelines / CUDA cores1925120
Core clock speed876 MHz1925 MHz
Boost clock speedno data2324 MHz
Number of transistors1,270 million26,800 million
Manufacturing process technology28 nm7 nm
Power consumption (TDP)41 Watt335 Watt
Texture fill rate14.02743.7
Floating-point processing power0.3364 TFLOPS23.8 TFLOPS
ROPs16128
TMUs16320
Ray Tracing Coresno data80

Form factor & compatibility

Information on compatibility with other computer components. Useful when choosing a future computer configuration or upgrading an existing one. For desktop graphics cards it's interface and bus (motherboard compatibility), additional power connectors (power supply compatibility).

InterfacePCIe 2.0 x16PCIe 4.0 x16
Length160 mm267 mm
Width1" (2.5 cm)3-slot
Supplementary power connectorsNone2x 8-pin

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 BitGDDR6
Maximum RAM amount1 GB/2 GB16 GB
Memory bus width128 Bit256 Bit
Memory clock speed891 MHz2250 MHz
Memory bandwidthUp to 29 GB/s576.0 GB/s
Shared memoryno data-
Resizable BAR-+

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 Connectors1x DVI, 1x DisplayPort1x HDMI 2.1, 2x DisplayPort 1.4a
Number of simultaneous displays4no data
HDMI-+

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 and SDK compatibility

List of supported 3D and general-purpose computing APIs, including their specific versions.

DirectX1212 Ultimate (12_2)
Shader Model5.16.5
OpenGL4.54.6
OpenCL1.22.1
Vulkan1.1.1261.3
CUDA3.0-

Synthetic benchmark performance

Non-gaming benchmark results comparison. The combined score is measured on a 0-100 point scale.

Combined synthetic benchmark score

This is our combined benchmark score.

Quadro K420 1.64
RX 6950 XT 62.96
+3739%

Passmark

This is the most ubiquitous GPU benchmark. It gives the graphics card a thorough evaluation under various types of load, providing four separate benchmarks for Direct3D versions 9, 10, 11 and 12 (the last being done in 4K resolution if possible), and few more tests engaging DirectCompute capabilities.

Quadro K420 734
RX 6950 XT 28134
+3733%

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:

Full HD5−6
−4260%
218
+4260%
1440p3−4
−4367%
134
+4367%
4K2−3
−4100%
84
+4100%

Cost per frame, $

1080p19.33
−284%
5.04
+284%
1440p32.22
−293%
8.20
+293%
4K48.34
−269%
13.08
+269%
  • RX 6950 XT has 284% lower cost per frame in 1080p
  • RX 6950 XT has 293% lower cost per frame in 1440p
  • RX 6950 XT has 269% lower cost per frame in 4K

FPS performance in popular games

Full HD
Low Preset

Counter-Strike 2 351
+0%
351
+0%
Cyberpunk 2077 161
+0%
161
+0%
Hogwarts Legacy 207
+0%
207
+0%

Full HD
Medium Preset

Battlefield 5 170−180
+0%
170−180
+0%
Counter-Strike 2 339
+0%
339
+0%
Cyberpunk 2077 143
+0%
143
+0%
Far Cry 5 181
+0%
181
+0%
Fortnite 300−350
+0%
300−350
+0%
Forza Horizon 4 270−280
+0%
270−280
+0%
Forza Horizon 5 237
+0%
237
+0%
Hogwarts Legacy 186
+0%
186
+0%
PLAYERUNKNOWN'S BATTLEGROUNDS 170−180
+0%
170−180
+0%
Valorant 350−400
+0%
350−400
+0%

Full HD
High Preset

Battlefield 5 170−180
+0%
170−180
+0%
Counter-Strike 2 318
+0%
318
+0%
Counter-Strike: Global Offensive 270−280
+0%
270−280
+0%
Cyberpunk 2077 128
+0%
128
+0%
Dota 2 199
+0%
199
+0%
Far Cry 5 173
+0%
173
+0%
Fortnite 300−350
+0%
300−350
+0%
Forza Horizon 4 270−280
+0%
270−280
+0%
Forza Horizon 5 229
+0%
229
+0%
Grand Theft Auto V 172
+0%
172
+0%
Hogwarts Legacy 161
+0%
161
+0%
Metro Exodus 189
+0%
189
+0%
PLAYERUNKNOWN'S BATTLEGROUNDS 170−180
+0%
170−180
+0%
The Witcher 3: Wild Hunt 376
+0%
376
+0%
Valorant 350−400
+0%
350−400
+0%

Full HD
Ultra Preset

Battlefield 5 170−180
+0%
170−180
+0%
Cyberpunk 2077 122
+0%
122
+0%
Dota 2 167
+0%
167
+0%
Far Cry 5 164
+0%
164
+0%
Forza Horizon 4 270−280
+0%
270−280
+0%
Hogwarts Legacy 122
+0%
122
+0%
PLAYERUNKNOWN'S BATTLEGROUNDS 170−180
+0%
170−180
+0%
The Witcher 3: Wild Hunt 216
+0%
216
+0%
Valorant 350−400
+0%
350−400
+0%

Full HD
Epic Preset

Fortnite 300−350
+0%
300−350
+0%

1440p
High Preset

Counter-Strike 2 236
+0%
236
+0%
Counter-Strike: Global Offensive 500−550
+0%
500−550
+0%
Grand Theft Auto V 153
+0%
153
+0%
Metro Exodus 120
+0%
120
+0%
PLAYERUNKNOWN'S BATTLEGROUNDS 170−180
+0%
170−180
+0%
Valorant 450−500
+0%
450−500
+0%

1440p
Ultra Preset

Battlefield 5 170−180
+0%
170−180
+0%
Cyberpunk 2077 93
+0%
93
+0%
Far Cry 5 163
+0%
163
+0%
Forza Horizon 4 230−240
+0%
230−240
+0%
Hogwarts Legacy 100
+0%
100
+0%
The Witcher 3: Wild Hunt 160−170
+0%
160−170
+0%

1440p
Epic Preset

Fortnite 150−160
+0%
150−160
+0%

4K
High Preset

Counter-Strike 2 58
+0%
58
+0%
Grand Theft Auto V 174
+0%
174
+0%
Hogwarts Legacy 50−55
+0%
50−55
+0%
Metro Exodus 77
+0%
77
+0%
The Witcher 3: Wild Hunt 144
+0%
144
+0%
Valorant 300−350
+0%
300−350
+0%

4K
Ultra Preset

Battlefield 5 120−130
+0%
120−130
+0%
Counter-Strike 2 90−95
+0%
90−95
+0%
Cyberpunk 2077 46
+0%
46
+0%
Dota 2 141
+0%
141
+0%
Far Cry 5 124
+0%
124
+0%
Forza Horizon 4 180−190
+0%
180−190
+0%
Hogwarts Legacy 55
+0%
55
+0%
PLAYERUNKNOWN'S BATTLEGROUNDS 95−100
+0%
95−100
+0%

4K
Epic Preset

Fortnite 75−80
+0%
75−80
+0%

This is how Quadro K420 and RX 6950 XT compete in popular games:

  • RX 6950 XT is 4260% faster in 1080p
  • RX 6950 XT is 4367% faster in 1440p
  • RX 6950 XT is 4100% faster in 4K

All in all, in popular games:

  • there's a draw in 66 tests (100%)

Pros & cons summary

Performance score 1.64 62.96
Recency 22 July 2014 10 May 2022
Maximum RAM amount 1 GB/2 GB 16 GB
Chip lithography 28 nm 7 nm
Power consumption (TDP) 41 Watt 335 Watt

Quadro K420 has 717.1% lower power consumption.

RX 6950 XT, on the other hand, has a 3739% higher aggregate performance score, an age advantage of 7 years, a 1500% higher maximum VRAM amount, and a 300% more advanced lithography process.

The Radeon RX 6950 XT is our recommended choice as it beats the Quadro K420 in performance tests.

Be aware that Quadro K420 is a workstation graphics card while Radeon RX 6950 XT is a desktop one.

Vote for your favorite

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite graphics card.

NVIDIA Quadro K420
Quadro K420
AMD Radeon RX 6950 XT
Radeon RX 6950 XT
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Other comparisons

We selected several comparisons of graphics cards with performance close to those reviewed, providing you with more options to consider.

Quadro K420 Quadro K420
vs
GRID K140Q GRID K140Q
RX 6950 XT Radeon RX 6950 XT
vs
RTX 5070 GeForce RTX 5070
Quadro K420 Quadro K420
vs
Quadro K600 Quadro K600
Quadro K2200 Quadro K2200
vs
Quadro M500M M500M
Quadro K2200 Quadro K2200
vs
Go 7200 7200
Quadro K2200 Quadro K2200
vs
8800 GTS 512 8800 GTS 512
Quadro K2200 Quadro K2200
vs
FX 5600 5600
Quadro K420 Quadro K420
vs
HD 8570M 8570M
Quadro K420 Quadro K420
vs
Iris Xe Graphics 96EU Graphics 96EU
Quadro K4200 Quadro K4200
vs
GeForce 840M 840M
Quadro K4200 Quadro K4200
vs
HD Graphics P530 Graphics P530
Quadro K4200 Quadro K4200
vs
8800 GTS 512 8800 GTS 512
Quadro K4200 Quadro K4200
vs
FX 4000 4000

Community ratings

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

3.5 147 votes

Rate Quadro K420 on a scale of 1 to 5:

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3.6 2800 votes

Rate Radeon RX 6950 XT on a scale of 1 to 5:

  • 1
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  • 3
  • 4
  • 5

Comments

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