EPYC 7H12 vs Pentium 3805U

Primary details

Comparing Pentium 3805U and EPYC 7H12 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	2529	37
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	no data	22.09
Market segment	Laptop	Server
Series	Intel Pentium	AMD EPYC
Architecture codename	Broadwell-U (2015)	Zen 2 (2019−2020)
Release date	1 March 2015 (9 years ago)	18 September 2019 (4 years ago)
Launch price (MSRP)	$161	no data
Current price	$317 (2x MSRP)	$1970

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Pentium 3805U and EPYC 7H12 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)	64 (Tetrahexaconta-Core)
Threads	2	128
Base clock speed	1.9 GHz	2.6 GHz
Boost clock speed	1.9 GHz	3.3 GHz
L1 cache	64K (per core)	96K (per core)
L2 cache	256K (per core)	512K (per core)
L3 cache	2 MB (shared)	256 MB (shared)
Chip lithography	14 nm	7 nm, 14 nm
Die size	82 mm2	192 mm2
Maximum core temperature	105 °C	no data
Maximum case temperature (TCase)	105 °C	no data
Number of transistors	1300 Million	4,800 million
64 bit support	+	+
Windows 11 compatibility	-	+
Unlocked multiplier	No	Yes

Compatibility

Information on Pentium 3805U and EPYC 7H12 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 (Multiprocessor)
Socket	FCBGA1168	TR4
Power consumption (TDP)	15 Watt	280 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Pentium 3805U and EPYC 7H12. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2	no data
AES-NI	-	+
AVX	no data	+
Enhanced SpeedStep (EIST)	+	no data
Turbo Boost Technology	-	no data
Hyper-Threading Technology	-	no data
TSX	-	no data
Idle States	+	no data
Thermal Monitoring	+	no data
Flex Memory Access	+	no data
SIPP	-	no data
Smart Response	-	no data
FDI	+	no data
Fast Memory Access	+	no data
Status	Discontinued	no data

Security technologies

Pentium 3805U and EPYC 7H12 technologies aimed at improving security, for example, by protecting against hacks.

TXT	-	no data
EDB	+	no data
Secure Key	+	no data
Identity Protection	+	no data
OS Guard	-	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Pentium 3805U and EPYC 7H12 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 Pentium 3805U and EPYC 7H12. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	DDR4 Eight-channel
Maximum memory size	16 GB	4 TiB
Max memory channels	2	8
Maximum memory bandwidth	25.6 GB/s	204.763 GB/s
ECC memory support	no data	+

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	Intel® HD Graphics for 5th Generation Intel® Processors	no data
Quick Sync Video	+	no data
Clear Video	+	no data
Graphics max frequency	800 MHz	no data
InTru 3D	+	no data

Graphics interfaces

Available interfaces and connections of Pentium 3805U and EPYC 7H12 integrated GPUs.

Number of displays supported	3	no data
eDP	+	no data
DisplayPort	+	no data
HDMI	+	no data

Graphics API support

APIs supported by Pentium 3805U and EPYC 7H12 integrated GPUs, sometimes API versions are included.

DirectX

11.2/12

no data

Peripherals

Specifications and connection of peripherals supported by Pentium 3805U and EPYC 7H12.

PCIe version	2.0	no data
PCI Express lanes	12	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.

EPYC 7H12 outperforms Pentium 3805U by 5824% based on our aggregated benchmark results.

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Pros & cons summary

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Performance score	0.76	45.02
Recency	1 March 2015	18 September 2019
Physical cores	2	64
Threads	2	128
Chip lithography	14 nm	7 nm
Power consumption (TDP)	15 Watt	280 Watt

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Should you still have questions on choice between Pentium 3805U and EPYC 7H12, ask them in Comments section, and we shall answer.

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