Radeon RX 7900 XT vs Quadro K420

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Aggregate performance score

We've compared Quadro K420 with Radeon RX 7900 XT, including specs and performance data.

Quadro K420
2014, $97
1 GB/2 GB 128-bit, 41 Watt
1.73

7900 XT outperforms K420 by a whopping 3908% based on our aggregate benchmark results.

Primary details

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

Place in the ranking98220
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation0.0844.32
Power efficiency3.2517.80
ArchitectureKepler (2012−2018)RDNA 3.0 (2022−2026)
GPU code nameGK107Navi 31
Market segmentWorkstationDesktop
Release date22 July 2014 (11 years ago)3 November 2022 (3 years ago)
Launch price (MSRP)$96.67 $899

Cost-effectiveness evaluation

The higher the ratio, the better. We use the manufacturer's recommended prices.

RX 7900 XT has 55300% better value for money than Quadro K420.

Performance to price scatter graph

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 cores1925376
Core clock speed876 MHz1387 MHz
Boost clock speedno data2394 MHz
Number of transistors1,270 million57,700 million
Manufacturing process technology28 nm5 nm
Power consumption (TDP)41 Watt300 Watt
Texture fill rate14.02804.4
Floating-point processing power0.3364 TFLOPS51.48 TFLOPS
ROPs16192
TMUs16336
Ray Tracing Coresno data84
L0 Cacheno data2.6 MB
L1 Cache16 KB3 MB
L2 Cache256 KB6 MB
L3 Cacheno data80 MB

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 mm276 mm
Width1" (2.5 cm)2-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 GB20 GB
Memory bus width128 Bit320 Bit
Memory clock speed891 MHz2500 MHz
Memory bandwidthUp to 29 GB/s800.0 GB/s
Shared memoryno data-
Resizable BAR-+

Connectivity and outputs

This section shows the types and number of video connectors on each GPU. The data applies specifically to desktop reference models (for example, NVIDIA’s Founders Edition). OEM partners often modify both the number and types of ports. On notebook GPUs, video‐output options are determined by the laptop’s design rather than the graphics chip itself.

Display Connectors1x DVI, 1x DisplayPort1x HDMI 2.1a, 2x DisplayPort 2.1, 1x USB Type-C
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 support

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

DirectX1212 Ultimate (12_2)
Shader Model5.16.8
OpenGL4.54.6
OpenCL1.22.2
Vulkan1.1.1261.3
CUDA3.0-

Synthetic benchmarks

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 1.73
RX 7900 XT 69.34
+3908%

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 721
Samples: 474
RX 7900 XT 29038
+3927%
Samples: 6685

GeekBench 5 OpenCL

Geekbench 5 is a widespread graphics card benchmark combined from 11 different test scenarios. All these scenarios rely on direct usage of GPU's processing power, no 3D rendering is involved. This variation uses OpenCL API by Khronos Group.

Quadro K420 1840
RX 7900 XT 188298
+10134%

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 HD4−5
−4875%
199
+4875%
1440p3−4
−4400%
135
+4400%
4K2−3
−4150%
85
+4150%

Cost per frame, $

1080p24.17
−435%
4.52
+435%
1440p32.22
−384%
6.66
+384%
4K48.34
−357%
10.58
+357%
  • RX 7900 XT has 435% lower cost per frame in 1080p
  • RX 7900 XT has 384% lower cost per frame in 1440p
  • RX 7900 XT has 357% lower cost per frame in 4K

FPS performance in popular games

Full HD
Low

Counter-Strike 2 300−350
+0%
300−350
+0%
Cyberpunk 2077 237
+0%
237
+0%
Resident Evil 4 Remake 307
+0%
307
+0%

Full HD
Medium

Battlefield 5 180−190
+0%
180−190
+0%
Counter-Strike 2 288
+0%
288
+0%
Cyberpunk 2077 212
+0%
212
+0%
Far Cry 5 196
+0%
196
+0%
Fortnite 300−350
+0%
300−350
+0%
Forza Horizon 4 280−290
+0%
280−290
+0%
Forza Horizon 5 244
+0%
244
+0%
PLAYERUNKNOWN'S BATTLEGROUNDS 170−180
+0%
170−180
+0%
Valorant 400−450
+0%
400−450
+0%

Full HD
High

Battlefield 5 180−190
+0%
180−190
+0%
Counter-Strike 2 268
+0%
268
+0%
Counter-Strike: Global Offensive 270−280
+0%
270−280
+0%
Cyberpunk 2077 190
+0%
190
+0%
Dota 2 199
+0%
199
+0%
Far Cry 5 187
+0%
187
+0%
Fortnite 300−350
+0%
300−350
+0%
Forza Horizon 4 280−290
+0%
280−290
+0%
Forza Horizon 5 223
+0%
223
+0%
Grand Theft Auto V 173
+0%
173
+0%
Metro Exodus 146
+0%
146
+0%
PLAYERUNKNOWN'S BATTLEGROUNDS 170−180
+0%
170−180
+0%
The Witcher 3: Wild Hunt 483
+0%
483
+0%
Valorant 400−450
+0%
400−450
+0%

Full HD
Ultra

Battlefield 5 180−190
+0%
180−190
+0%
Cyberpunk 2077 179
+0%
179
+0%
Dota 2 184
+0%
184
+0%
Far Cry 5 173
+0%
173
+0%
Forza Horizon 4 280−290
+0%
280−290
+0%
PLAYERUNKNOWN'S BATTLEGROUNDS 170−180
+0%
170−180
+0%
The Witcher 3: Wild Hunt 255
+0%
255
+0%
Valorant 400−450
+0%
400−450
+0%

Full HD
Epic

Fortnite 300−350
+0%
300−350
+0%

1440p
High

Counter-Strike 2 206
+0%
206
+0%
Counter-Strike: Global Offensive 500−550
+0%
500−550
+0%
Grand Theft Auto V 159
+0%
159
+0%
Metro Exodus 135
+0%
135
+0%
PLAYERUNKNOWN'S BATTLEGROUNDS 170−180
+0%
170−180
+0%
Valorant 450−500
+0%
450−500
+0%

1440p
Ultra

Battlefield 5 180−190
+0%
180−190
+0%
Cyberpunk 2077 122
+0%
122
+0%
Far Cry 5 173
+0%
173
+0%
Forza Horizon 4 240−250
+0%
240−250
+0%
The Witcher 3: Wild Hunt 179
+0%
179
+0%

1440p
Epic

Fortnite 150−160
+0%
150−160
+0%

4K
High

Counter-Strike 2 50
+0%
50
+0%
Grand Theft Auto V 175
+0%
175
+0%
Metro Exodus 87
+0%
87
+0%
The Witcher 3: Wild Hunt 156
+0%
156
+0%
Valorant 300−350
+0%
300−350
+0%

4K
Ultra

Battlefield 5 130−140
+0%
130−140
+0%
Counter-Strike 2 95−100
+0%
95−100
+0%
Cyberpunk 2077 60
+0%
60
+0%
Dota 2 153
+0%
153
+0%
Far Cry 5 132
+0%
132
+0%
Forza Horizon 4 200−210
+0%
200−210
+0%
PLAYERUNKNOWN'S BATTLEGROUNDS 95−100
+0%
95−100
+0%

4K
Epic

Fortnite 75−80
+0%
75−80
+0%

This is how Quadro K420 and RX 7900 XT compete in popular games:

  • RX 7900 XT is 4875% faster in 1080p
  • RX 7900 XT is 4400% faster in 1440p
  • RX 7900 XT is 4150% faster in 4K

All in all, in popular games:

  • there's a draw in 60 tests (100%)

Pros & cons summary


Performance score 1.73 69.34
Recency 22 July 2014 3 November 2022
Maximum RAM amount 1 GB/2 GB 20 GB
Chip lithography 28 nm 5 nm
Power consumption (TDP) 41 Watt 300 Watt

Quadro K420 has 632% lower power consumption.

RX 7900 XT, on the other hand, has a 3908% higher aggregate performance score, an age advantage of 8 years, a 1900% higher maximum VRAM amount, and a 460% more advanced lithography process.

The Radeon RX 7900 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 7900 XT is a desktop one.

Other comparisons

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

Community ratings

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


3.4 164 votes

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4.2 2644 votes

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