Ryzen 7 PRO 5850U vs Xeon E5640

Primary details

Comparing Xeon E5640 and Ryzen 7 PRO 5850U processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	1792	738
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	0.85	no data
Market segment	Server	Laptop
Series	no data	Cezanne (Zen 3, Ryzen 5000)
Power efficiency	2.80	66.90
Architecture codename	Westmere-EP (2010−2011)	Cezanne-U PRO (Zen 3) (2021)
Release date	16 March 2010 (14 years ago)	16 March 2021 (3 years ago)
Launch price (MSRP)	$49	no data

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Xeon E5640 and Ryzen 7 PRO 5850U 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)	8 (Octa-Core)
Threads	8	16
Base clock speed	2.66 GHz	1.9 GHz
Boost clock speed	2.93 GHz	4.4 GHz
Multiplier	no data	19
L1 cache	64 KB (per core)	64K (per core)
L2 cache	256 KB (per core)	512K (per core)
L3 cache	12 MB (shared)	16 MB (shared)
Chip lithography	32 nm	7 nm
Die size	239 mm2	180 mm2
Maximum core temperature	78 °C	105 °C
Number of transistors	1,170 million	10,700 million
64 bit support	+	+
Windows 11 compatibility	-	+

Compatibility

Information on Xeon E5640 and Ryzen 7 PRO 5850U 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	2	1
Socket	FCLGA1366,LGA1366	FP6
Power consumption (TDP)	80 Watt	15 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon E5640 and Ryzen 7 PRO 5850U. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.2	PRO, MMX, SSE, SSE2, SSE3, SSSE3, SSE4A, SSE4.1, SSE4.2, AVX, AVX2, 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	1.0	no data
Hyper-Threading Technology	+	no data
Idle States	+	no data
Demand Based Switching	+	no data
PAE	40 Bit	no data

Security technologies

Xeon E5640 and Ryzen 7 PRO 5850U technologies aimed at improving security, for example, by protecting against hacks.

TXT	+	no data
EDB	+	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon E5640 and Ryzen 7 PRO 5850U 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 E5640 and Ryzen 7 PRO 5850U. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	DDR4
Maximum memory size	288 GB	no data
Max memory channels	3	no data
Maximum memory bandwidth	25.6 GB/s	no data
ECC memory support	+	-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

no data

AMD Radeon RX Vega 8 (Ryzen 4000/5000) ( - 2000 MHz)

Peripherals

Specifications and connection of peripherals supported by Xeon E5640 and Ryzen 7 PRO 5850U.

PCIe version	2.0	3.0
PCI Express lanes	no data	8

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	2.38	10.66
Recency	16 March 2010	16 March 2021
Physical cores	4	8
Threads	8	16
Chip lithography	32 nm	7 nm
Power consumption (TDP)	80 Watt	15 Watt

---

Should you still have questions on choice between Xeon E5640 and Ryzen 7 PRO 5850U, 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.

---