EPYC 7643 vs Core i7-2670QM

Primary details

Comparing Core i7-2670QM and EPYC 7643 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	1691	31
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	no data	38.99
Market segment	Laptop	Server
Series	Intel Core i7	AMD EPYC
Architecture codename	Sandy Bridge (2011−2013)	Milan (2021)
Release date	12 October 2011 (12 years ago)	15 March 2021 (3 years ago)
Launch price (MSRP)	$378	$4,995
Current price	$382 (1x MSRP)	$1330 (0.3x MSRP)

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Core i7-2670QM and EPYC 7643 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)	48 (Octatetraconta-Core)
Threads	8	96
Base clock speed	2.2 GHz	2.3 GHz
Boost clock speed	3.1 GHz	3.6 GHz
L1 cache	64K (per core)	64 KB (per core)
L2 cache	256K (per core)	512 KB (per core)
L3 cache	6 MB (shared)	256 MB (shared)
Chip lithography	32 nm	7 nm+
Die size	216 mm2	8x 81 mm2
Maximum core temperature	100 °C	no data
Number of transistors	1,160 million	33,200 million
64 bit support	+	+
Windows 11 compatibility	-	+
Unlocked multiplier	No	Yes

Compatibility

Information on Core i7-2670QM and EPYC 7643 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
Socket	FCPGA988	SP3
Power consumption (TDP)	45 Watt	225 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-2670QM and EPYC 7643. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® AVX	no data
AES-NI	+	+
FMA	+	no data
AVX	+	+
Enhanced SpeedStep (EIST)	+	no data
My WiFi	+	no data
Turbo Boost Technology	2.0	no data
Hyper-Threading Technology	+	no data
Idle States	+	no data
Thermal Monitoring	+	no data
Flex Memory Access	+	no data
Demand Based Switching	-	no data
FDI	+	no data
Fast Memory Access	+	no data
Status	Discontinued	no data

Security technologies

Core i7-2670QM and EPYC 7643 technologies aimed at improving security, for example, by protecting against hacks.

TXT	-	no data
EDB	+	no data
Identity Protection	+	no data
Anti-Theft	+	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Core i7-2670QM and EPYC 7643 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i7-2670QM and EPYC 7643. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3-1066, DDR3-1333	DDR4-3200
Maximum memory size	32 GB	4 TiB
Max memory channels	2	no data
Maximum memory bandwidth	21.3 GB/s	204.795 GB/s
ECC memory support	-	no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	Intel HD Graphics 3000	N/A
Quick Sync 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 i7-2670QM and EPYC 7643 integrated GPUs.

Number of displays supported	2	no data
eDP	+	no data
DisplayPort	+	no data
HDMI	+	no data
SDVO	+	no data
CRT	+	no data

Peripherals

Specifications and connection of peripherals supported by Core i7-2670QM and EPYC 7643.

PCIe version	2.0	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.

EPYC 7643 outperforms Core i7-2670QM by 1940% based on our aggregate benchmark results.

---

Pros & cons summary

---

Performance score	2.41	49.17
Recency	12 October 2011	15 March 2021
Physical cores	4	48
Threads	8	96
Cost	$378	$4995
Chip lithography	32 nm	7 nm
Power consumption (TDP)	45 Watt	225 Watt

---

Should you still have questions on choice between Core i7-2670QM and EPYC 7643, 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.

---