Quadro K620 vs Radeon Pro 455

Place in the ranking	513	593
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	no data	2.37
Power efficiency	16.07	8.95
Architecture	GCN 4.0 (2016−2020)	Maxwell (2014−2017)
GPU code name	Baffin	GM107
Market segment	Mobile workstation	Workstation
Release date	30 October 2016 (8 years ago)	22 July 2014 (10 years ago)
Launch price (MSRP)	no data	$189.89

Cost-effectiveness evaluation

Performance to price ratio. The higher, the better.

no data

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	768	384
Core clock speed	855 MHz	1058 MHz
Boost clock speed	no data	1124 MHz
Number of transistors	3,000 million	1,870 million
Manufacturing process technology	14 nm	28 nm
Power consumption (TDP)	35 Watt	41 Watt
Texture fill rate	41.04	26.98
Floating-point processing power	1.313 TFLOPS	0.8632 TFLOPS
ROPs	16	16
TMUs	48	24

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	PCIe 3.0 x8	PCIe 2.0 x16
Length	no data	160 mm
Width	no data	1" (2.5 cm)
Supplementary power connectors	None	None

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	128 Bit
Maximum RAM amount	2 GB	2 GB
Memory bus width	128 Bit	128 Bit
Memory clock speed	1270 MHz	900 MHz
Memory bandwidth	81.28 GB/s	Up to 29 GB/s
Shared memory	-	no 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 Connectors	No outputs	1x DVI, 1x DisplayPort
Number of simultaneous displays	no data	4

Supported technologies

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

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

API compatibility

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

DirectX	12 (12_0)	12
Shader Model	6.4	5.1
OpenGL	4.6	4.5
OpenCL	2.0	1.2
Vulkan	1.2.131	1.1.126
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.

Pro 455 8.07
+39.6%

Quadro K620 5.78

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.

Pro 455 3112
+39.5%

Quadro K620 2231

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	33 +57.1%	21−24 −57.1%
4K	22 +57.1%	14−16 −57.1%

Cost per frame, $

1080p	no data	9.04
4K	no data	13.56

FPS performance in popular games

Full HD
Low Preset

Cyberpunk 2077

12−14

+44.4%

9−10
−44.4%

Full HD
Medium Preset

Assassin's Creed Odyssey	20−22 +42.9%	14−16 −42.9%
Assassin's Creed Valhalla	10−12 +57.1%	7−8 −57.1%
Battlefield 5	24−27 +50%	16−18 −50%
Call of Duty: Modern Warfare	16−18 +60%	10−11 −60%
Cyberpunk 2077	12−14 +44.4%	9−10 −44.4%
Far Cry 5	18−20 +50%	12−14 −50%
Far Cry New Dawn	21−24 +43.8%	16−18 −43.8%
Forza Horizon 4	50−55 +54.3%	35−40 −54.3%
Hitman 3	16−18 +60%	10−11 −60%
Horizon Zero Dawn	45−50 +53.3%	30−33 −53.3%
Metro Exodus	24−27 +50%	16−18 −50%
Red Dead Redemption 2	21−24 +57.1%	14−16 −57.1%
Shadow of the Tomb Raider	27−30 +50%	18−20 −50%
Watch Dogs: Legion	55−60 +42.5%	40−45 −42.5%

Full HD
High Preset

Assassin's Creed Odyssey	20−22 +42.9%	14−16 −42.9%
Assassin's Creed Valhalla	10−12 +57.1%	7−8 −57.1%
Battlefield 5	24−27 +50%	16−18 −50%
Call of Duty: Modern Warfare	16−18 +60%	10−11 −60%
Cyberpunk 2077	12−14 +44.4%	9−10 −44.4%
Far Cry 5	18−20 +50%	12−14 −50%
Far Cry New Dawn	21−24 +43.8%	16−18 −43.8%
Forza Horizon 4	50−55 +54.3%	35−40 −54.3%
Hitman 3	16−18 +60%	10−11 −60%
Horizon Zero Dawn	45−50 +53.3%	30−33 −53.3%
Metro Exodus	24−27 +50%	16−18 −50%
Red Dead Redemption 2	21−24 +57.1%	14−16 −57.1%
Shadow of the Tomb Raider	27−30 +50%	18−20 −50%
The Witcher 3: Wild Hunt	21−24 +43.8%	16−18 −43.8%
Watch Dogs: Legion	55−60 +42.5%	40−45 −42.5%

Full HD
Ultra Preset

Assassin's Creed Odyssey	20−22 +42.9%	14−16 −42.9%
Assassin's Creed Valhalla	10−12 +57.1%	7−8 −57.1%
Call of Duty: Modern Warfare	16−18 +60%	10−11 −60%
Cyberpunk 2077	12−14 +44.4%	9−10 −44.4%
Far Cry 5	18−20 +50%	12−14 −50%
Forza Horizon 4	50−55 +54.3%	35−40 −54.3%
Hitman 3	16−18 +60%	10−11 −60%
Horizon Zero Dawn	45−50 +53.3%	30−33 −53.3%
Shadow of the Tomb Raider	27−30 +50%	18−20 −50%
The Witcher 3: Wild Hunt	14 +40%	10−11 −40%
Watch Dogs: Legion	55−60 +42.5%	40−45 −42.5%

Full HD
Epic Preset

Red Dead Redemption 2

21−24
+57.1%

14−16

−57.1%

1440p
High Preset

Battlefield 5	16−18 +60%	10−11 −60%
Far Cry New Dawn	12−14 +50%	8−9 −50%

1440p
Ultra Preset

Assassin's Creed Odyssey	8−9 +60%	5−6 −60%
Assassin's Creed Valhalla	4−5 +100%	2−3 −100%
Call of Duty: Modern Warfare	8−9 +60%	5−6 −60%
Cyberpunk 2077	4−5 +100%	2−3 −100%
Far Cry 5	9−10 +50%	6−7 −50%
Forza Horizon 4	30−35 +52.4%	21−24 −52.4%
Hitman 3	10−12 +57.1%	7−8 −57.1%
Horizon Zero Dawn	16−18 +41.7%	12−14 −41.7%
Metro Exodus	10−11 +42.9%	7−8 −42.9%
Shadow of the Tomb Raider	7−8 +40%	5−6 −40%
The Witcher 3: Wild Hunt	7−8 +40%	5−6 −40%
Watch Dogs: Legion	50−55 +45.7%	35−40 −45.7%

1440p
Epic Preset

Red Dead Redemption 2

14−16
+40%

10−11

−40%

4K
High Preset

Battlefield 5	7−8 +40%	5−6 −40%
Far Cry New Dawn	6−7 +50%	4−5 −50%
Hitman 3	4−5 +100%	2−3 −100%
Horizon Zero Dawn	27−30 +61.1%	18−20 −61.1%
Metro Exodus	6−7 +50%	4−5 −50%
The Witcher 3: Wild Hunt	5−6 +66.7%	3−4 −66.7%

4K
Ultra Preset

Assassin's Creed Odyssey	5−6 +66.7%	3−4 −66.7%
Assassin's Creed Valhalla	3−4 +50%	2−3 −50%
Call of Duty: Modern Warfare	4−5 +100%	2−3 −100%
Cyberpunk 2077	1−2	0−1
Far Cry 5	4−5 +100%	2−3 −100%
Forza Horizon 4	9−10 +50%	6−7 −50%
Shadow of the Tomb Raider	4−5 +100%	2−3 −100%
Watch Dogs: Legion	3−4 +50%	2−3 −50%

4K
Epic Preset

Red Dead Redemption 2

8−9
+60%

5−6

−60%

This is how Pro 455 and Quadro K620 compete in popular games:

Pro 455 is 57% faster in 1080p
Pro 455 is 57% faster in 4K

Pros & cons summary

Performance score	8.07	5.78
Recency	30 October 2016	22 July 2014
Chip lithography	14 nm	28 nm
Power consumption (TDP)	35 Watt	41 Watt

Pro 455 has a 39.6% higher aggregate performance score, an age advantage of 2 years, a 100% more advanced lithography process, and 17.1% lower power consumption.

The Radeon Pro 455 is our recommended choice as it beats the Quadro K620 in performance tests.

Be aware that Radeon Pro 455 is a mobile workstation card while Quadro K620 is a workstation one.

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