UHD Graphics 620 vs GeForce GTX 660 OEM

Place in the ranking	741	815
Place by popularity	not in top-100	28
Power efficiency	1.79	12.31
Architecture	Kepler (2012−2018)	Generation 9.5 (2016−2020)
GPU code name	GK104	Kaby Lake GT2
Market segment	Desktop	Laptop
Release date	22 August 2012 (12 years ago)	1 September 2017 (7 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	1152	192
Core clock speed	823 MHz	300 MHz
Boost clock speed	888 MHz	1000 MHz
Number of transistors	3,540 million	189 million
Manufacturing process technology	28 nm	14 nm++
Power consumption (TDP)	130 Watt	15 Watt
Texture fill rate	85.25	24.00
Floating-point processing power	2.046 TFLOPS	0.384 TFLOPS
ROPs	32	3
TMUs	96	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).

Interface	PCIe 3.0 x16	Ring Bus
Length	241 mm	no data
Width	2-slot	no data
Supplementary power connectors	1x 6-pin	no 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 type	GDDR5	LPDDR3/DDR4
Maximum RAM amount	2 GB	32 GB
Memory bus width	256 Bit	System Shared
Memory clock speed	1400 MHz	System Shared
Memory bandwidth	179.2 GB/s	no data
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	2x DVI, 1x HDMI, 1x DisplayPort	Portable Device Dependent
HDMI	+	-

Supported technologies

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

Quick Sync

no data

API compatibility

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

DirectX	12 (11_0)	12 (12_1)
Shader Model	5.1	6.4
OpenGL	4.6	4.6
OpenCL	1.2	3.0
Vulkan	1.1.126	1.3
CUDA	3.0	-

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	16−18 +23.1%	13 −23.1%
1440p	18−21 +12.5%	16 −12.5%
4K	10−12 +11.1%	9 −11.1%

FPS performance in popular games

Full HD
Low Preset

Counter-Strike 2	8−9 +0%	8−9 +0%
Cyberpunk 2077	6 +0%	6 +0%

Full HD
Medium Preset

Battlefield 5	6−7 +0%	6−7 +0%
Counter-Strike 2	8−9 +0%	8−9 +0%
Cyberpunk 2077	7−8 +0%	7−8 +0%
Forza Horizon 4	10 +0%	10 +0%
Forza Horizon 5	2−3 +0%	2−3 +0%
Metro Exodus	6 +0%	6 +0%
Red Dead Redemption 2	9 +0%	9 +0%
Valorant	9 +0%	9 +0%

Full HD
High Preset

Battlefield 5	6−7 +0%	6−7 +0%
Counter-Strike 2	8−9 +0%	8−9 +0%
Cyberpunk 2077	7−8 +0%	7−8 +0%
Dota 2	10 +0%	10 +0%
Far Cry 5	12 +0%	12 +0%
Fortnite	14−16 +0%	14−16 +0%
Forza Horizon 4	11 +0%	11 +0%
Forza Horizon 5	2−3 +0%	2−3 +0%
Grand Theft Auto V	5 +0%	5 +0%
Metro Exodus	3 +0%	3 +0%
PLAYERUNKNOWN'S BATTLEGROUNDS	27 +0%	27 +0%
Red Dead Redemption 2	10−11 +0%	10−11 +0%
The Witcher 3: Wild Hunt	10−11 +0%	10−11 +0%
Valorant	2−3 +0%	2−3 +0%
World of Tanks	37 +0%	37 +0%

Full HD
Ultra Preset

Battlefield 5	6−7 +0%	6−7 +0%
Counter-Strike 2	8−9 +0%	8−9 +0%
Cyberpunk 2077	7−8 +0%	7−8 +0%
Dota 2	18 +0%	18 +0%
Far Cry 5	16−18 +0%	16−18 +0%
Forza Horizon 4	14 +0%	14 +0%
Forza Horizon 5	2−3 +0%	2−3 +0%
PLAYERUNKNOWN'S BATTLEGROUNDS	24−27 +0%	24−27 +0%
Valorant	2−3 +0%	2−3 +0%

1440p
High Preset

Dota 2	1−2 +0%	1−2 +0%
Grand Theft Auto V	1−2 +0%	1−2 +0%
PLAYERUNKNOWN'S BATTLEGROUNDS	18−20 +0%	18−20 +0%
Red Dead Redemption 2	2−3 +0%	2−3 +0%
World of Tanks	18−20 +0%	18−20 +0%

1440p
Ultra Preset

Battlefield 5	2−3 +0%	2−3 +0%
Cyberpunk 2077	4−5 +0%	4−5 +0%
Far Cry 5	7−8 +0%	7−8 +0%
Forza Horizon 4	1−2 +0%	1−2 +0%
Forza Horizon 5	3−4 +0%	3−4 +0%
The Witcher 3: Wild Hunt	6−7 +0%	6−7 +0%
Valorant	9−10 +0%	9−10 +0%

4K
High Preset

Counter-Strike 2	10−11 +0%	10−11 +0%
Dota 2	16−18 +0%	16−18 +0%
Grand Theft Auto V	14−16 +0%	14−16 +0%
PLAYERUNKNOWN'S BATTLEGROUNDS	7−8 +0%	7−8 +0%
Red Dead Redemption 2	1−2 +0%	1−2 +0%
The Witcher 3: Wild Hunt	14−16 +0%	14−16 +0%

4K
Ultra Preset

Battlefield 5	2−3 +0%	2−3 +0%
Counter-Strike 2	10−11 +0%	10−11 +0%
Cyberpunk 2077	2−3 +0%	2−3 +0%
Dota 2	7 +0%	7 +0%
Far Cry 5	2−3 +0%	2−3 +0%
Fortnite	1−2 +0%	1−2 +0%
Forza Horizon 4	0−1	0−1
Forza Horizon 5	1−2 +0%	1−2 +0%
Valorant	2−3 +0%	2−3 +0%

This is how GTX 660 OEM and UHD Graphics 620 compete in popular games:

GTX 660 OEM is 23% faster in 1080p
GTX 660 OEM is 13% faster in 1440p
GTX 660 OEM is 11% faster in 4K

All in all, in popular games:

there's a draw in 60 tests (100%)

Pros & cons summary

Performance score	3.22	2.56
Recency	22 August 2012	1 September 2017
Maximum RAM amount	2 GB	32 GB
Chip lithography	28 nm	14 nm
Power consumption (TDP)	130 Watt	15 Watt

GTX 660 OEM has a 25.8% higher aggregate performance score.

UHD Graphics 620, on the other hand, has an age advantage of 5 years, a 1500% higher maximum VRAM amount, a 100% more advanced lithography process, and 766.7% lower power consumption.

The GeForce GTX 660 OEM is our recommended choice as it beats the UHD Graphics 620 in performance tests.

Be aware that GeForce GTX 660 OEM is a desktop card while UHD Graphics 620 is a notebook one.

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