Ryzen 9 7940HS vs Xeon E5-4640 v2

Primary details

Comparing Xeon E5-4640 v2 and Ryzen 9 7940HS processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	not rated	301
Place by popularity	not in top-100	not in top-100
Market segment	Server	Laptop
Power efficiency	no data	51.73
Architecture codename	no data	Phoenix-HS (Zen 4) (2023)
Release date	1 January 2014 (10 years ago)	January 2023 (1 year ago)

Detailed specifications

Xeon E5-4640 v2 and Ryzen 9 7940HS 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	10 (Deca-Core)	8 (Octa-Core)
Threads	20	16
Base clock speed	2.2 GHz	4 GHz
Boost clock speed	2.7 GHz	5.2 GHz
Bus rate	8 GT/s	no data
L1 cache	no data	64K (per core)
L2 cache	no data	1 MB (per core)
L3 cache	20 MB Intel® Smart Cache	16 MB (shared)
Chip lithography	22 nm	4 nm
Die size	no data	178 mm2
Maximum core temperature	75 °C	100 °C
Number of transistors	no data	25,000 million
64 bit support	+	+
Windows 11 compatibility	-	+

Compatibility

Information on Xeon E5-4640 v2 and Ryzen 9 7940HS 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	4	1
Socket	FCLGA2011	FP8
Power consumption (TDP)	95 Watt	35 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon E5-4640 v2 and Ryzen 9 7940HS. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® AVX	Ryzen AI, MMX, SSE, SSE2, SSE3, SSSE3, SSE4A, SSE4.1, SSE4.2, AVX, AVX2, AVX-512, BMI2, ABM, FMA, ADX, SMEP, SMAP, SMT, CPB, AES-NI, RDRAND, RDSEED, SHA, SME
AES-NI	+	+
FMA	-	+
AVX	-	+
Enhanced SpeedStep (EIST)	+	no data
Turbo Boost Technology	2.0	no data
Hyper-Threading Technology	+	no data
Idle States	+	no data
Thermal Monitoring	+	-
Demand Based Switching	+	no data
PAE	46 Bit	no data
Precision Boost 2	no data	+

Security technologies

Xeon E5-4640 v2 and Ryzen 9 7940HS technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	no data
EDB	+	no data
Secure Key	+	no data
OS Guard	+	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon E5-4640 v2 and Ryzen 9 7940HS 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 Xeon E5-4640 v2 and Ryzen 9 7940HS. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3-800, DDR3-1066, DDR3-1333, DDR3-1600, DDR3-1866	DDR5
Maximum memory size	768 GB	no data
Max memory channels	4	no data
Maximum memory bandwidth	59.7 GB/s	no data
ECC memory support	+	-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

no data

AMD Radeon 780M

Peripherals

Specifications and connection of peripherals supported by Xeon E5-4640 v2 and Ryzen 9 7940HS.

PCIe version	3.0	4.0
PCI Express lanes	40	20

Pros & cons summary

---

Physical cores	10	8
Threads	20	16
Chip lithography	22 nm	4 nm
Power consumption (TDP)	95 Watt	35 Watt

---

Should you still have questions on choice between Xeon E5-4640 v2 and Ryzen 9 7940HS, 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.

---