Radeon RX 6900 vs Quadro M620

Place in the ranking	540	23
Place by popularity	not in top-100	not in top-100
Power efficiency	16.78	18.98
Architecture	Maxwell (2014−2017)	RDNA 2.0 (2020−2024)
GPU code name	GM107	Navi 21
Market segment	Mobile workstation	Desktop
Release date	11 January 2017 (7 years ago)	28 October 2020 (4 years ago)

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 cores	512	4608
Core clock speed	756 MHz	no data
Boost clock speed	977 MHz	2105 MHz
Number of transistors	1,870 million	23,000 million
Manufacturing process technology	28 nm	7 nm
Power consumption (TDP)	30 Watt	255 Watt
Texture fill rate	31.26	606.2
Floating-point processing power	1 TFLOPS	19.4 TFLOPS
ROPs	16	64
TMUs	32	288

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).

Laptop size	large	no data
Interface	MXM-A (3.0)	PCIe 4.0 x16
Width	no data	2-slot
Supplementary power connectors	None	2x 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 type	GDDR5	GDDR6
Maximum RAM amount	2 GB	16 GB
Memory bus width	128 Bit	256 Bit
Memory clock speed	1253 MHz	16 GB/s
Memory bandwidth	80 GB/s	512.0 GB/s
Shared memory	-	-

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 Connectors	No outputs	1x HDMI, 2x DisplayPort, 1x USB Type-C
HDMI	-	+
Display Port	1.2	no data

Supported technologies

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

Optimus	+	-
3D Stereo	+	no data
Mosaic	+	no data
nView Display Management	+	no data
Optimus	+	no data

API compatibility

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

DirectX	12	12 Ultimate (12_2)
Shader Model	5.1	6.5
OpenGL	4.5	4.6
OpenCL	1.2	2.0
Vulkan	1.1.126	1.2
CUDA	5.0	-

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. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.

Quadro M620 7.22

RX 6900 69.45
+862%

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 M620 2786

RX 6900 26791
+862%

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 HD	25 −860%	240−250 +860%
4K	10 −850%	95−100 +850%

FPS performance in popular games

Full HD
Low Preset

Cyberpunk 2077

12−14
−817%

110−120

+817%

Full HD
Medium Preset

Assassin's Creed Odyssey	18−20 −844%	170−180 +844%
Assassin's Creed Valhalla	10−11 −850%	95−100 +850%
Battlefield 5	21−24 −852%	200−210 +852%
Call of Duty: Modern Warfare	14−16 −833%	140−150 +833%
Cyberpunk 2077	12−14 −817%	110−120 +817%
Far Cry 5	16−18 −838%	150−160 +838%
Far Cry New Dawn	20−22 −850%	190−200 +850%
Forza Horizon 4	45−50 −838%	450−500 +838%
Hitman 3	14−16 −829%	130−140 +829%
Horizon Zero Dawn	40−45 −830%	400−450 +830%
Metro Exodus	21−24 −852%	200−210 +852%
Red Dead Redemption 2	20−22 −850%	190−200 +850%
Shadow of the Tomb Raider	24−27 −858%	230−240 +858%
Watch Dogs: Legion	50−55 −826%	500−550 +826%

Full HD
High Preset

Assassin's Creed Odyssey	18−20 −844%	170−180 +844%
Assassin's Creed Valhalla	10−11 −850%	95−100 +850%
Battlefield 5	21−24 −852%	200−210 +852%
Call of Duty: Modern Warfare	14−16 −833%	140−150 +833%
Cyberpunk 2077	12−14 −817%	110−120 +817%
Far Cry 5	16−18 −838%	150−160 +838%
Far Cry New Dawn	20−22 −850%	190−200 +850%
Forza Horizon 4	45−50 −838%	450−500 +838%
Hitman 3	14−16 −829%	130−140 +829%
Horizon Zero Dawn	40−45 −830%	400−450 +830%
Metro Exodus	21−24 −852%	200−210 +852%
Red Dead Redemption 2	20−22 −850%	190−200 +850%
Shadow of the Tomb Raider	24−27 −858%	230−240 +858%
The Witcher 3: Wild Hunt	62 −787%	550−600 +787%
Watch Dogs: Legion	50−55 −826%	500−550 +826%

Full HD
Ultra Preset

Assassin's Creed Odyssey	18−20 −844%	170−180 +844%
Assassin's Creed Valhalla	10−11 −850%	95−100 +850%
Call of Duty: Modern Warfare	14−16 −833%	140−150 +833%
Cyberpunk 2077	12−14 −817%	110−120 +817%
Far Cry 5	16−18 −838%	150−160 +838%
Forza Horizon 4	45−50 −838%	450−500 +838%
Hitman 3	14−16 −829%	130−140 +829%
Horizon Zero Dawn	40−45 −830%	400−450 +830%
Shadow of the Tomb Raider	24−27 −858%	230−240 +858%
The Witcher 3: Wild Hunt	10 −850%	95−100 +850%
Watch Dogs: Legion	50−55 −826%	500−550 +826%

Full HD
Epic Preset

Red Dead Redemption 2

20−22
−850%

190−200

+850%

1440p
High Preset

Battlefield 5	14−16 −829%	130−140 +829%
Far Cry New Dawn	10−12 −809%	100−105 +809%

1440p
Ultra Preset

Assassin's Creed Odyssey	7−8 −829%	65−70 +829%
Assassin's Creed Valhalla	3−4 −800%	27−30 +800%
Call of Duty: Modern Warfare	7−8 −829%	65−70 +829%
Cyberpunk 2077	3−4 −800%	27−30 +800%
Far Cry 5	8−9 −838%	75−80 +838%
Forza Horizon 4	24−27 −862%	250−260 +862%
Hitman 3	10−12 −809%	100−105 +809%
Horizon Zero Dawn	14−16 −833%	140−150 +833%
Metro Exodus	8−9 −838%	75−80 +838%
Shadow of the Tomb Raider	5−6 −800%	45−50 +800%
The Witcher 3: Wild Hunt	6−7 −817%	55−60 +817%
Watch Dogs: Legion	45−50 −770%	400−450 +770%

1440p
Epic Preset

Red Dead Redemption 2

12−14
−817%

110−120

+817%

4K
High Preset

Battlefield 5	6−7 −817%	55−60 +817%
Far Cry New Dawn	5−6 −800%	45−50 +800%
Hitman 3	3−4 −800%	27−30 +800%
Horizon Zero Dawn	24−27 −858%	230−240 +858%
Metro Exodus	5−6 −800%	45−50 +800%
The Witcher 3: Wild Hunt	4−5 −775%	35−40 +775%

4K
Ultra Preset

Assassin's Creed Odyssey	4−5 −775%	35−40 +775%
Assassin's Creed Valhalla	3−4 −800%	27−30 +800%
Call of Duty: Modern Warfare	3−4 −800%	27−30 +800%
Cyberpunk 2077	1−2 −800%	9−10 +800%
Far Cry 5	4−5 −775%	35−40 +775%
Forza Horizon 4	8−9 −838%	75−80 +838%
Shadow of the Tomb Raider	2−3 −800%	18−20 +800%
Watch Dogs: Legion	2−3 −800%	18−20 +800%

4K
Epic Preset

Red Dead Redemption 2

7−8
−829%

65−70

+829%

This is how Quadro M620 and RX 6900 compete in popular games:

RX 6900 is 860% faster in 1080p
RX 6900 is 850% faster in 4K

Pros & cons summary

Performance score	7.22	69.45
Recency	11 January 2017	28 October 2020
Maximum RAM amount	2 GB	16 GB
Chip lithography	28 nm	7 nm
Power consumption (TDP)	30 Watt	255 Watt

Quadro M620 has 750% lower power consumption.

RX 6900, on the other hand, has a 861.9% higher aggregate performance score, an age advantage of 3 years, a 700% higher maximum VRAM amount, and a 300% more advanced lithography process.

The Radeon RX 6900 is our recommended choice as it beats the Quadro M620 in performance tests.

Be aware that Quadro M620 is a mobile workstation card while Radeon RX 6900 is a desktop one.

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