EPYC 9745 vs Celeron G1820T

Primary details

Comparing Celeron G1820T and EPYC 9745 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking	2458	not rated
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	1.80	no data
Market segment	Desktop processor	Server
Power efficiency	1.81	no data
Architecture codename	Haswell (2013−2015)	Turin (2024)
Release date	1 December 2013 (11 years ago)	10 October 2024 (less than a year ago)
Launch price (MSRP)	$42	$12,141

Cost-effectiveness evaluation

Performance per price, higher is better.

Detailed specifications

Celeron G1820T and EPYC 9745 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)	128
Threads	2	256
Base clock speed	2.4 GHz	2.4 GHz
Boost clock speed	2.4 GHz	3.7 GHz
Bus rate	5 GT/s	no data
L1 cache	64 KB (per core)	80 KB (per core)
L2 cache	256 KB (per core)	1 MB (per core)
L3 cache	3 MB (shared)	256 MB (shared)
Chip lithography	22 nm	3 nm
Die size	177 mm2	no data
Maximum case temperature (TCase)	72 °C	no data
Number of transistors	1,400 million	no data
64 bit support	+	+
Windows 11 compatibility	-	no data

Compatibility

Information on Celeron G1820T and EPYC 9745 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
Socket	FCLGA1150	SP5
Power consumption (TDP)	35 Watt	400 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Celeron G1820T and EPYC 9745. 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	-	+
Enhanced SpeedStep (EIST)	+	no data
Turbo Boost Technology	-	no data
Hyper-Threading Technology	-	no data
Idle States	+	no data
Thermal Monitoring	+	-
Precision Boost 2	no data	+

Security technologies

Celeron G1820T and EPYC 9745 technologies aimed at improving security, for example, by protecting against hacks.

TXT	-	no data
EDB	+	no data
Secure Key	+	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Celeron G1820T and EPYC 9745 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 Celeron G1820T and EPYC 9745. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	DDR5
Maximum memory size	32 GB	no data
Max memory channels	2	no data
Maximum memory bandwidth	21.3 GB/s	no data
ECC memory support	+	-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	Intel HD Graphics for 4th Generation Intel Processors	N/A
Max video memory	1.7 GB	no data
Quick Sync Video	+	-
Graphics max frequency	1.05 GHz	no data

Graphics interfaces

Available interfaces and connections of Celeron G1820T and EPYC 9745 integrated GPUs.

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

Graphics image quality

Maximum display resolutions supported by Celeron G1820T and EPYC 9745 integrated GPUs, including resolutions over different interfaces.

Max resolution over HDMI 1.4	1920x1080@60Hz	no data
Max resolution over eDP	2560x1600@60Hz	no data
Max resolution over DisplayPort	2560x1600@60Hz	no data
Max resolution over VGA	1920x1200@60Hz	no data

Graphics API support

APIs supported by Celeron G1820T and EPYC 9745 integrated GPUs, sometimes API versions are included.

DirectX	11.1/12	no data
OpenGL	4.3	no data

Peripherals

Specifications and connection of peripherals supported by Celeron G1820T and EPYC 9745.

PCIe version	Up to 3.0	5.0
PCI Express lanes	16	128

Pros & cons summary

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Recency	1 December 2013	10 October 2024
Physical cores	2	128
Threads	2	256
Chip lithography	22 nm	3 nm
Power consumption (TDP)	35 Watt	400 Watt

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