i3-8121U vs i7-8809G

Primary details

Comparing Core i7-8809G and Core i3-8121U processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	1162	1686
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Laptop
Series	Intel Core i7	Intel Core i3
Power efficiency	5.09	9.33
Architecture codename	Kaby Lake G (2018)	Coffee Lake-U (2018−2019)
Release date	1 February 2018 (6 years ago)	5 May 2018 (6 years ago)

Detailed specifications

Core i7-8809G and Core i3-8121U basic parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters indirectly say of CPU speed, though for more precise assessment you have to consider their test results.

Physical cores	4 (Quad-Core)	2 (Dual-core)
Threads	8	4
Base clock speed	3.1 GHz	2.2 GHz
Boost clock speed	4.2 GHz	3.2 GHz
Bus type	DMI 3.0	OPI
Bus rate	4 × 8 GT/s	4 GT/s
Multiplier	31	22
L1 cache	64K (per core)	64K (per core)
L2 cache	256K (per core)	256K (per core)
L3 cache	8 MB (shared)	4 MB (shared)
Chip lithography	14 nm	10 nm
Die size	no data	123 mm2
Maximum core temperature	100 °C	105 °C
Maximum case temperature (TCase)	72 °C	72 °C
64 bit support	+	+
Windows 11 compatibility	+	-

Compatibility

Information on Core i7-8809G and Core i3-8121U compatibility with other computer components: motherboard (look for socket type), power supply unit (look for power consumption) etc. Useful when planning a future computer configuration or upgrading an existing one. Note that power consumption of some processors can well exceed their nominal TDP, even without overclocking. Some can even double their declared thermals given that the motherboard allows to tune the CPU power parameters.

Number of CPUs in a configuration	1 (Uniprocessor)	1 (Uniprocessor)
Socket	FCBGA2270	Intel BGA1440
Power consumption (TDP)	100 Watt	15 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-8809G and Core i3-8121U. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX, Intel® AVX2, Intel® AVX-512
AES-NI	+	+
AVX	+	+
vPro	no data	-
Enhanced SpeedStep (EIST)	+	+
QuickAssist	no data	-
Speed Shift	+	+
My WiFi	+	+
Turbo Boost Technology	2.0	2.0
Hyper-Threading Technology	+	+
Idle States	+	+
Thermal Monitoring	+	+
Flex Memory Access	+	+
Smart Response	+	+
Demand Based Switching	no data	-
HD Audio	no data	+
RST	no data	+

Security technologies

Core i7-8809G and Core i3-8121U technologies aimed at improving security, for example, by protecting against hacks.

TXT	-	-
EDB	+	+
Secure Key	+	+
MPX	+	+
Identity Protection	+	-
SGX	Yes with Intel® ME	-
OS Guard	+	+

Virtualization technologies

Virtual machine speed-up technologies supported by Core i7-8809G and Core i3-8121U are enumerated here.

AMD-V	+	-
VT-d	+	+
VT-x	+	+
VT-i	no data	-
EPT	+	+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i7-8809G and Core i3-8121U. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4-2400	DDR4
Maximum memory size	64 GB	32 GB
Max memory channels	2	2
Maximum memory bandwidth	38.397 GB/s	38.397 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	Intel HD Graphics 630	Iris Pro Plus
Max video memory	64 GB	no data
Quick Sync Video	+	-
Clear Video	+	no data
Clear Video HD	+	no data
Graphics max frequency	1.1 GHz	no data
InTru 3D	+	no data

Graphics interfaces

Available interfaces and connections of Core i7-8809G and Core i3-8121U integrated GPUs.

Number of displays supported	3	no data
DVI	+	no data

Graphics image quality

Maximum display resolutions supported by Core i7-8809G and Core i3-8121U integrated GPUs, including resolutions over different interfaces.

4K resolution support	+	no data
Max resolution over HDMI 1.4	4096 x 2160 @30Hz	no data
Max resolution over eDP	4096 x 2160 @60Hz	no data
Max resolution over DisplayPort	4096 x 2160 @60Hz	no data

Graphics API support

APIs supported by Core i7-8809G and Core i3-8121U integrated GPUs, sometimes API versions are included.

DirectX	12	no data
OpenGL	4.4	no data

Peripherals

Specifications and connection of peripherals supported by Core i7-8809G and Core i3-8121U.

PCIe version	3.0	3.0
PCI Express lanes	8	16

Synthetic benchmark performance

Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.

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Combined synthetic benchmark score

This is our combined benchmark performance rating. 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.

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Pros & cons summary

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Performance score	5.38	2.76
Recency	1 February 2018	5 May 2018
Physical cores	4	2
Threads	8	4
Chip lithography	14 nm	10 nm
Power consumption (TDP)	100 Watt	15 Watt

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Should you still have questions on choice between Core i7-8809G and Core i3-8121U, ask them in Comments section, and we shall answer.

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