EPYC 7343 vs i7-7820HQ

Primary details

Comparing Core i7-7820HQ and EPYC 7343 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	1308	175
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	no data	13.30
Market segment	Laptop	Server
Series	Intel Core i7	AMD EPYC
Power efficiency	9.48	13.66
Architecture codename	Kaby Lake-H (2017)	Milan (2021−2023)
Release date	3 January 2017 (7 years ago)	15 March 2021 (3 years ago)
Launch price (MSRP)	$378	$1,565

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Core i7-7820HQ and EPYC 7343 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)	16 (Hexadeca-Core)
Threads	8	32
Base clock speed	2.9 GHz	3.2 GHz
Boost clock speed	3.9 GHz	3.9 GHz
Bus type	DMI 3.0	no data
Bus rate	8 GT/s	no data
Multiplier	29	32
L1 cache	64K (per core)	64 KB (per core)
L2 cache	256K (per core)	512 KB (per core)
L3 cache	8 MB (shared)	128 MB (shared)
Chip lithography	14 nm	7 nm+
Die size	126 mm2	4x 81 mm2
Maximum core temperature	100 °C	no data
Number of transistors	no data	16,600 million
64 bit support	+	+
Windows 11 compatibility	-	+

Compatibility

Information on Core i7-7820HQ and EPYC 7343 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)	2
Socket	FCBGA1440	SP3
Power consumption (TDP)	45 Watt	190 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-7820HQ and EPYC 7343. You'll probably need this information if you require some particular technology.

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

Security technologies

Core i7-7820HQ and EPYC 7343 technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	no data
EDB	+	no data
Secure Key	+	no data
MPX	+	-
Identity Protection	+	-
SGX	Yes with Intel® ME	no data
OS Guard	+	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Core i7-7820HQ and EPYC 7343 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i7-7820HQ and EPYC 7343. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4	DDR4-3200
Maximum memory size	64 GB	4 TiB
Max memory channels	2	no data
Maximum memory bandwidth	38.397 GB/s	204.795 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	Intel HD Graphics 630	N/A
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 i7-7820HQ and EPYC 7343 integrated GPUs.

Number of displays supported	3	no data
eDP	+	no data
DisplayPort	+	-
HDMI	+	-
DVI	+	no data

Graphics image quality

Maximum display resolutions supported by Core i7-7820HQ and EPYC 7343 integrated GPUs, including resolutions over different interfaces.

4K resolution support	+	no data
Max resolution over HDMI 1.4	4096x2304@30Hz	no data
Max resolution over eDP	4096x2304@60Hz	no data
Max resolution over DisplayPort	4096x2304@60Hz	no data
Max resolution over VGA	N/A	no data

Graphics API support

APIs supported by Core i7-7820HQ and EPYC 7343 integrated GPUs, sometimes API versions are included.

DirectX	12	no data
OpenGL	4.5	no data

Peripherals

Specifications and connection of peripherals supported by Core i7-7820HQ and EPYC 7343.

PCIe version	3.0	4.0
PCI Express lanes	16	128

Synthetic benchmark performance

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

---

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.

---

Pros & cons summary

---

Performance score	4.51	27.42
Recency	3 January 2017	15 March 2021
Physical cores	4	16
Threads	8	32
Chip lithography	14 nm	7 nm
Power consumption (TDP)	45 Watt	190 Watt

---

Should you still have questions on choice between Core i7-7820HQ and EPYC 7343, ask them in Comments section, and we shall answer.

Vote for your favorite

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite CPU.

---