Ryzen 7 5800X vs Pentium B940

Primary details

Comparing Pentium B940 and Ryzen 7 5800X processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	2733	315
Place by popularity	not in top-100	80
Cost-effectiveness evaluation	no data	40.08
Market segment	Laptop	Desktop processor
Series	Intel Pentium	AMD Ryzen 7
Architecture codename	Sandy Bridge (2011−2013)	Vermeer (Zen 3)
Release date	19 June 2011 (13 years ago)	5 November 2020 (3 years ago)
Launch price (MSRP)	$134	$449
Current price	$131 (1x MSRP)	$324 (0.7x MSRP)

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Pentium B940 and Ryzen 7 5800X 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	2 (Dual-core)	8 (Octa-Core)
Threads	2	16
Base clock speed	2 GHz	3.8 GHz
Boost clock speed	2 GHz	4.7 GHz
L1 cache	64K (per core)	64K (per core)
L2 cache	256K (per core)	512K (per core)
L3 cache	2 MB (shared)	32 MB
Chip lithography	32 nm	7 nm
Die size	131 mm2	2 x 80.7 sq. mm; I/O = 125 mm2
Maximum core temperature	85 °C	90 °C
Maximum case temperature (TCase)	no data	95 °C
Number of transistors	504 million	no data
64 bit support	+	+
Windows 11 compatibility	-	+
Unlocked multiplier	No	Yes

Compatibility

Information on Pentium B940 and Ryzen 7 5800X 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	1
Socket	PGA988	AM4
Power consumption (TDP)	35 Watt	105 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Pentium B940 and Ryzen 7 5800X. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2	DDR4-3200 RAM, PCIe 4, MMX (+), SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, SSE4A, AES, AVX, AVX2, FMA3, SHA
AES-NI	-	+
FMA	+	no data
AVX	no data	+
Enhanced SpeedStep (EIST)	+	no data
My WiFi	-	no data
Turbo Boost Technology	-	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

Pentium B940 and Ryzen 7 5800X technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Pentium B940 and Ryzen 7 5800X are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Pentium B940 and Ryzen 7 5800X. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	DDR4
Maximum memory size	16 GB	128 GB
Max memory channels	2	2
Maximum memory bandwidth	21.3 GB/s	51.196 GB/s
ECC memory support	-	-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	Intel® HD Graphics for 2nd Generation Intel® Processors	-
Quick Sync Video	-	-
Clear Video	-	-
Clear Video HD	-	-
Graphics max frequency	1.1 GHz	-
InTru 3D	-	-

Graphics interfaces

Available interfaces and connections of Pentium B940 and Ryzen 7 5800X integrated GPUs.

Number of displays supported	2	-
eDP	+	-
DisplayPort	+	-
HDMI	+	-
SDVO	+	-
CRT	+	-

Peripherals

Specifications and connection of peripherals supported by Pentium B940 and Ryzen 7 5800X.

PCIe version	2.0	4.0
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.

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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.

Ryzen 7 5800X outperforms Pentium B940 by 3178% based on our aggregate benchmark results.

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Pros & cons summary

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Performance score	0.55	18.03
Recency	19 June 2011	5 November 2020
Physical cores	2	8
Threads	2	16
Cost	$134	$449
Chip lithography	32 nm	7 nm
Power consumption (TDP)	35 Watt	105 Watt

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Should you still have questions on choice between Pentium B940 and Ryzen 7 5800X, ask them in Comments section, and we shall answer.

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