EPYC 7H12 vs Core i7-7740X

General info

Comparing Core i7-7740X and EPYC 7H12 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	962	39
Place by popularity	not in top-100	not in top-100
Value for money	5.39	5.00
Market segment	Desktop processor	Server
Series	Core i7 (Desktop)	AMD EPYC
Architecture codename	Kaby Lake-X (2017)	Zen 2 (2019−2020)
Release date	26 June 2017 (6 years old)	18 September 2019 (4 years old)
Launch price (MSRP)	$339	no data
Current price	$276 (0.8x MSRP)	$6796

i7-7740X has 8% better value for money than EPYC 7H12.

Technical specs

Core i7-7740X and EPYC 7H12 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)	64 (Tetrahexaconta-Core)
Threads	8	128
Base clock speed	4.3 GHz	2.6 GHz
Boost clock speed	4.5 GHz	3.3 GHz
L1 cache	64K (per core)	96K (per core)
L2 cache	256K (per core)	512K (per core)
L3 cache	8 MB (shared)	256 MB (shared)
Chip lithography	14 nm	7 nm, 14 nm
Die size	no data	192 mm2
Maximum core temperature	100 °C	no data
Maximum case temperature (TCase)	72 °C	no data
Number of transistors	no data	4,800 million
64 bit support	+	+
Windows 11 compatibility	-	+
Unlocked multiplier	Yes	Yes

Compatibility

Information on Core i7-7740X and EPYC 7H12 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	2 (Multiprocessor)
Socket	FCLGA2066	TR4
Power consumption (TDP)	112 Watt	280 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-7740X and EPYC 7H12. 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
Turbo Boost Technology	2.0	no data
Hyper-Threading Technology	+	no data
TSX	+	no data
Status	Discontinued	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Core i7-7740X and EPYC 7H12 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i7-7740X and EPYC 7H12. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4	DDR4 Eight-channel
Maximum memory size	64 GB	4 TiB
Max memory channels	2	8
Maximum memory bandwidth	42 GB/s	204.763 GB/s
ECC memory support	-	+

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

HD 630

no data

Peripherals

Specifications and connection of peripherals supported by Core i7-7740X and EPYC 7H12.

PCIe version	3.0	no data
PCI Express lanes	16	no data

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.

EPYC 7H12 outperforms Core i7-7740X by 605% based on our aggregated benchmark results.

---

Advantages and disadvantages

---

Performance score	6.45	45.46
Recency	26 June 2017	18 September 2019
Physical cores	4	64
Threads	8	128
Chip lithography	14 nm	7 nm
Power consumption (TDP)	112 Watt	280 Watt

---

Should you still have questions on choice between Core i7-7740X and EPYC 7H12, ask them in Comments section, and we shall answer.

Vote

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

---