EPYC 7H12 vs i3-4005U

Place in the ranking	2417	46
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Server
Series	Intel Core i3	AMD EPYC
Power efficiency	6.63	14.82
Architecture codename	Haswell (2013−2015)	Zen 2 (2017−2020)
Release date	4 September 2013 (11 years ago)	18 September 2019 (5 years ago)

Detailed specifications

Core i3-4005U 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	4	128
Base clock speed	1.7 GHz	2.6 GHz
Boost clock speed	1.7 GHz	3.3 GHz
Bus rate	5 GT/s	no data
Multiplier	no data	26
L1 cache	64K (per core)	96K (per core)
L2 cache	256K (per core)	512K (per core)
L3 cache	3 MB (shared)	256 MB (shared)
Chip lithography	22 nm	7 nm, 14 nm
Die size	118 mm²	192 mm²
Maximum core temperature	100 °C	no data
Number of transistors	1,400 million	4,800 million
64 bit support	+	+
Windows 11 compatibility	-	+
Unlocked multiplier	-	+

Compatibility

Information on Core i3-4005U 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 Core i3-4005U and EPYC 7H12. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2	no data
AES-NI	+	+
AVX	+	+
Enhanced SpeedStep (EIST)	+	no data
Turbo Boost Technology	-	no data
Hyper-Threading Technology	+	no data
Idle States	+	no data
Thermal Monitoring	+	-
Smart Response	-	no data
GPIO	+	no data
Smart Connect	+	no data
FDI	-	no data
AMT	9.5	no data
Matrix Storage	-	no data
HD Audio	+	no data
RST	+	no data
Precision Boost 2	no data	+

Security technologies

Core i3-4005U 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	+	-
Anti-Theft	+	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Core i3-4005U 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 Core i3-4005U 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	-	+

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	Intel HD Graphics 4400	no data
Max video memory	2 GB	no data
Quick Sync Video	+	-
Clear Video HD	+	no data
Graphics max frequency	950 MHz	no data
InTru 3D	+	no data

Graphics interfaces

Available interfaces and connections of Core i3-4005U and EPYC 7H12 integrated GPUs.

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

Graphics image quality

Maximum display resolutions supported by Core i3-4005U and EPYC 7H12 integrated GPUs, including resolutions over different interfaces.

Max resolution over HDMI 1.4	3200x2000@60Hz	no data
Max resolution over DisplayPort	3200x2000@60Hz	no data
Max resolution over VGA	N/A	no data

Graphics API support

APIs supported by Core i3-4005U and EPYC 7H12 integrated GPUs, sometimes API versions are included.

DirectX	11.2/12	no data
OpenGL	4.3	no data

Peripherals

Specifications and connection of peripherals supported by Core i3-4005U and EPYC 7H12.

PCIe version	2.0	no data
PCI Express lanes	10	no data
PCI support	-	no data
USB revision	3.0	no data
Total number of SATA ports	2	no data
Max number of SATA 6 Gb/s Ports	2	no data
Integrated IDE	-	no data
Number of USB ports	4	no data
Integrated LAN	-	no data
UART	+	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.

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.

i3-4005U 1.09

EPYC 7H12 45.50
+4074%

Passmark

Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance.

i3-4005U 1663

EPYC 7H12 69633
+4087%

Gaming performance

Pros & cons summary

Performance score	1.09	45.50
Recency	4 September 2013	18 September 2019
Physical cores	2	64
Threads	4	128
Chip lithography	22 nm	7 nm
Power consumption (TDP)	15 Watt	280 Watt

i3-4005U has 1766.7% lower power consumption.

EPYC 7H12, on the other hand, has a 4074.3% higher aggregate performance score, an age advantage of 6 years, 3100% more physical cores and 3100% more threads, and a 214.3% more advanced lithography process.

The EPYC 7H12 is our recommended choice as it beats the Core i3-4005U in performance tests.

Be aware that Core i3-4005U is a notebook processor while EPYC 7H12 is a server/workstation one.

Should you still have questions on choice between Core i3-4005U and EPYC 7H12, ask them in Comments section, and we shall answer.