HD Graphics 620 vs GeForce GTX 660 OEM

Place in the ranking	736	841
Place by popularity	not in top-100	63
Power efficiency	1.77	11.10
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)	30 August 2016 (8 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	DDR3L/LPDDR3/LPDDR4
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	+
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%

−23.1%

FPS performance in popular games

Full HD
Low Preset

Cyberpunk 2077

5−6

+0%

5−6

+0%

Full HD
Medium Preset

Assassin's Creed Odyssey	8−9 +0%	8−9 +0%
Battlefield 5	3−4 +0%	3−4 +0%
Call of Duty: Modern Warfare	6−7 +0%	6−7 +0%
Cyberpunk 2077	5−6 +0%	5−6 +0%
Far Cry 5	6 +0%	6 +0%
Far Cry New Dawn	6−7 +0%	6−7 +0%
Forza Horizon 4	25 +0%	25 +0%
Hitman 3	7−8 +0%	7−8 +0%
Horizon Zero Dawn	20−22 +0%	20−22 +0%
Metro Exodus	1−2 +0%	1−2 +0%
Red Dead Redemption 2	5−6 +0%	5−6 +0%
Shadow of the Tomb Raider	14 +0%	14 +0%
Watch Dogs: Legion	35−40 +0%	35−40 +0%

Full HD
High Preset

Assassin's Creed Odyssey	8−9 +0%	8−9 +0%
Battlefield 5	3−4 +0%	3−4 +0%
Call of Duty: Modern Warfare	6−7 +0%	6−7 +0%
Cyberpunk 2077	5−6 +0%	5−6 +0%
Far Cry 5	4−5 +0%	4−5 +0%
Far Cry New Dawn	6−7 +0%	6−7 +0%
Forza Horizon 4	10−12 +0%	10−12 +0%
Hitman 3	7−8 +0%	7−8 +0%
Horizon Zero Dawn	20−22 +0%	20−22 +0%
Metro Exodus	1−2 +0%	1−2 +0%
Red Dead Redemption 2	5−6 +0%	5−6 +0%
Shadow of the Tomb Raider	10−12 +0%	10−12 +0%
The Witcher 3: Wild Hunt	15 +0%	15 +0%
Watch Dogs: Legion	35−40 +0%	35−40 +0%

Full HD
Ultra Preset

Assassin's Creed Odyssey	8−9 +0%	8−9 +0%
Call of Duty: Modern Warfare	6−7 +0%	6−7 +0%
Cyberpunk 2077	5−6 +0%	5−6 +0%
Far Cry 5	4−5 +0%	4−5 +0%
Forza Horizon 4	10−12 +0%	10−12 +0%
Hitman 3	7−8 +0%	7−8 +0%
Horizon Zero Dawn	20−22 +0%	20−22 +0%
Shadow of the Tomb Raider	10−12 +0%	10−12 +0%
The Witcher 3: Wild Hunt	12−14 +0%	12−14 +0%
Watch Dogs: Legion	35−40 +0%	35−40 +0%

Full HD
Epic Preset

Red Dead Redemption 2

5−6

+0%

5−6

+0%

1440p
High Preset

Battlefield 5	4−5 +0%	4−5 +0%
Far Cry New Dawn	4−5 +0%	4−5 +0%

1440p
Ultra Preset

Assassin's Creed Odyssey	2−3 +0%	2−3 +0%
Call of Duty: Modern Warfare	1−2 +0%	1−2 +0%
Cyberpunk 2077	1−2 +0%	1−2 +0%
Far Cry 5	3−4 +0%	3−4 +0%
Hitman 3	7−8 +0%	7−8 +0%
Horizon Zero Dawn	7−8 +0%	7−8 +0%
The Witcher 3: Wild Hunt	2−3 +0%	2−3 +0%
Watch Dogs: Legion	14−16 +0%	14−16 +0%

1440p
Epic Preset

Red Dead Redemption 2

5−6

+0%

5−6

+0%

4K
High Preset

Battlefield 5	0−1	0−1
Far Cry New Dawn	1−2 +0%	1−2 +0%

4K
Ultra Preset

Assassin's Creed Odyssey	2−3 +0%	2−3 +0%
Assassin's Creed Valhalla	1−2 +0%	1−2 +0%
Call of Duty: Modern Warfare	1−2 +0%	1−2 +0%
Far Cry 5	1−2 +0%	1−2 +0%
Watch Dogs: Legion	0−1	0−1

4K
Epic Preset

Red Dead Redemption 2

3−4

+0%

3−4

+0%

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

GTX 660 OEM is 23% faster in 1080p

All in all, in popular games:

there's a draw in 56 tests (100%)

Pros & cons summary

Performance score	3.36	2.43
Recency	22 August 2012	30 August 2016
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 38.3% higher aggregate performance score.

HD Graphics 620, on the other hand, has an age advantage of 4 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 HD Graphics 620 in performance tests.

Be aware that GeForce GTX 660 OEM is a desktop card while HD 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.