EPYC 7261 vs i9-7920X

Primary details

Comparing processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	655	1273
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	2.30	no data
Market segment	Desktop processor	Server
Series	Intel Core i9	AMD EPYC
Power efficiency	4.04	1.58
Designer	Intel	AMD
Manufacturer	Intel	GlobalFoundries
Architecture codename	Skylake (server) (2017−2018)	Naples (2017−2018)
Release date	10 September 2017 (8 years ago)	14 June 2018 (7 years ago)
Launch price (MSRP)	$1,199	no data

Cost-effectiveness evaluation

Performance per price, higher is better.

Performance to price scatter graph

Detailed specifications

Basic parameters of Core i9-7920X and EPYC 7261: 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	12 (Dodeca-Core)	8 (Octa-Core)
Threads	24	16
Base clock speed	2.9 GHz	2.5 GHz
Boost clock speed	4.4 GHz	2.9 GHz
Bus type	DMI 3.0	no data
Bus rate	4 × 8 GT/s	no data
Multiplier	no data	25
L1 cache	64 KB (per core)	96K (per core)
L2 cache	1 MB (per core)	512K (per core)
L3 cache	16.5 MB (shared)	32 MB (shared)
Chip lithography	14 nm	14 nm
Die size	484 mm2	213 mm2
Maximum core temperature	95 °C	no data
Maximum case temperature (TCase)	72 °C	81 °C
Number of transistors	no data	4,800 million
64 bit support	+	+
Windows 11 compatibility	+	-
Unlocked multiplier	+	+

Compatibility

Information on Core i9-7920X and EPYC 7261 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 (Multiprocessor)
Socket	FCLGA2066	SP3
Power consumption (TDP)	140 Watt	170 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i9-7920X and EPYC 7261. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2, Intel® AVX-512	no data
AES-NI	+	+
AVX	+	+
Enhanced SpeedStep (EIST)	+	no data
Turbo Boost Technology	2.0	no data
Hyper-Threading Technology	+	no data
TSX	+	-
Turbo Boost Max 3.0	+	no data

Security technologies

Core i9-7920X and EPYC 7261 technologies aimed at improving security, for example, by protecting against hacks.

EDB

+

no data

Virtualization technologies

Virtual machine speed-up technologies supported by Core i9-7920X and EPYC 7261 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 i9-7920X and EPYC 7261. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4-2666	DDR4-2666
Maximum memory size	128 GB	2 TiB
Max memory channels	4	8
Maximum memory bandwidth	85.33 GB/s	170.671 GB/s
ECC memory support	-	+

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

N/A

no data

Peripherals

Specifications and connection of peripherals supported by Core i9-7920X and EPYC 7261.

PCIe version	3.0	3.0
PCI Express lanes	44	128

Synthetic benchmarks

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.

---

Pros & cons summary

---

Performance score	13.42	6.37
Recency	10 September 2017	14 June 2018
Physical cores	12	8
Threads	24	16
Power consumption (TDP)	140 Watt	170 Watt