EPYC 9655P vs Celeron N4000C

Place in the ranking	2560	1
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	no data	2.62
Market segment	Laptop	Server
Power efficiency	14.04	23.66
Architecture codename	no data	Turin (2024)
Release date	1 April 2019 (5 years ago)	10 October 2024 (less than a year ago)
Launch price (MSRP)	no data	$10,811

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Celeron N4000C and EPYC 9655P 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)	96
Threads	2	192
Base clock speed	1.1 GHz	2.6 GHz
Boost clock speed	2.6 GHz	4.5 GHz
L1 cache	no data	80 KB (per core)
L2 cache	no data	1 MB (per core)
L3 cache	4 MB	384 MB (shared)
Chip lithography	14 nm	4 nm
Die size	no data	12x 70.6 mm²
Maximum core temperature	105 deg C	no data
Number of transistors	no data	99,780 million
64 bit support	+	+
Windows 11 compatibility	-	no data

Compatibility

Information on Celeron N4000C and EPYC 9655P 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	FCBGA1090	SP5
Power consumption (TDP)	6 Watt	400 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Celeron N4000C and EPYC 9655P. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.2	no data
AES-NI	+	+
AVX	-	+
vPro	-	no data
Enhanced SpeedStep (EIST)	+	no data
Speed Shift	-	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
Turbo Boost Max 3.0	-	no data
Precision Boost 2	no data	+

Security technologies

Celeron N4000C and EPYC 9655P technologies aimed at improving security, for example, by protecting against hacks.

EDB	+	no data
Secure Key	+	no data
MPX	+	-
Identity Protection	+	-
SGX	Yes with Intel® ME	no data
OS Guard	+	no data
Anti-Theft	-	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Celeron N4000C and EPYC 9655P 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 N4000C and EPYC 9655P. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR4/LPDDR4 up to 2400 MT/s	DDR5
Maximum memory size	8 GB	no data
Max memory channels	2	no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	Intel UHD Graphics 600	N/A
Max video memory	8 GB	no data
Quick Sync Video	+	-
Graphics max frequency	650 MHz	no data
Execution Units	12	no data

Graphics interfaces

Available interfaces and connections of Celeron N4000C and EPYC 9655P integrated GPUs.

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

Graphics image quality

Maximum display resolutions supported by Celeron N4000C and EPYC 9655P integrated GPUs, including resolutions over different interfaces.

4K resolution support

no data

Graphics API support

APIs supported by Celeron N4000C and EPYC 9655P integrated GPUs, sometimes API versions are included.

DirectX	12	no data
OpenGL	4.4	no data

Peripherals

Specifications and connection of peripherals supported by Celeron N4000C and EPYC 9655P.

PCIe version	2.0	5.0
PCI Express lanes	6	128
USB revision	2.0/3.0	no data
Total number of SATA ports	2	no data
Max number of SATA 6 Gb/s Ports	2	no data
Number of USB ports	8	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.

Celeron N4000C 0.89

EPYC 9655P 100.00
+11136%

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.

Celeron N4000C 1406

EPYC 9655P 158845
+11198%

Gaming performance

Pros & cons summary

Performance score	0.89	100.00
Recency	1 April 2019	10 October 2024
Physical cores	2	96
Threads	2	192
Chip lithography	14 nm	4 nm
Power consumption (TDP)	6 Watt	400 Watt

Celeron N4000C has 6566.7% lower power consumption.

EPYC 9655P, on the other hand, has a 11136% higher aggregate performance score, an age advantage of 5 years, 4700% more physical cores and 9500% more threads, and a 250% more advanced lithography process.

The EPYC 9655P is our recommended choice as it beats the Celeron N4000C in performance tests.

Be aware that Celeron N4000C is a notebook processor while EPYC 9655P is a server/workstation one.

Should you still have questions on choice between Celeron N4000C and EPYC 9655P, ask them in Comments section, and we shall answer.