Ryzen 9 7945HX vs Celeron J3455E

Primary details

Comparing Celeron J3455E and Ryzen 9 7945HX processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking	2116	90
Place by popularity	not in top-100	not in top-100
Market segment	Desktop processor	Laptop
Architecture codename	no data	Dragon Range-HX (Zen 4)
Release date	1 July 2019 (4 years ago)	4 January 2023 (1 year ago)

Detailed specifications

Celeron J3455E and Ryzen 9 7945HX 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	no data	16 (Hexadeca-Core)
Threads	4	32
Base clock speed	1.5 GHz	2.5 GHz
Boost clock speed	2.3 GHz	5.4 GHz
L1 cache	no data	64K (per core)
L2 cache	no data	1 MB (per core)
L3 cache	2 MB	64 MB (shared)
Chip lithography	14 nm	CCD = 5 nm, I/O = 6 nm
Die size	no data	2x 71 mm2
Maximum core temperature	105 °C	100 °C
Number of transistors	no data	13,140 million
64 bit support	+	+
Windows 11 compatibility	-	+
Unlocked multiplier	No	Yes

Compatibility

Information on Celeron J3455E and Ryzen 9 7945HX 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	no data	FL1
Power consumption (TDP)	10 Watt	55 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Celeron J3455E and Ryzen 9 7945HX. You'll probably need this information if you require some particular technology.

Instruction set extensions	no data	DDR5-5200 RAM, PCIe 5, MMX, SSE, SSE2, SSE3, SSSE3, SSE4A, SSE4.1, SSE4.2, AVX, AVX2, AVX-512, BMI2, ABM, FMA, ADX, SMEP, SMAP, SMT, CPB, AES-NI, RDRAND, RDSEED, SHA, SME
AES-NI	+	+
FMA	no data	+
AVX	no data	+
Enhanced SpeedStep (EIST)	+	no data
Turbo Boost Technology	-	no data
Hyper-Threading Technology	-	no data
Idle States	+	no data
Thermal Monitoring	+	no data
SIPP	-	no data
Smart Response	-	no data
Status	Discontinued	no data

Security technologies

Celeron J3455E and Ryzen 9 7945HX 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
Anti-Theft	-	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Celeron J3455E and Ryzen 9 7945HX are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Celeron J3455E and Ryzen 9 7945HX. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3L/LPDDR3 up to 1866 MT/s; LPDDR4 up to 2400 MT/s	DDR5
Maximum memory size	8 GB	no data
Max memory channels	2	no data
ECC memory support	-	no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card Compare	Intel HD Graphics 500	AMD Radeon 610M
Max video memory	8 GB	no data
Quick Sync Video	+	no data
Clear Video	+	no data
Clear Video HD	+	no data
Graphics max frequency	750 MHz	no data
Execution Units	12	no data

Graphics interfaces

Available interfaces and connections of Celeron J3455E and Ryzen 9 7945HX integrated GPUs.

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

Graphics API support

APIs supported by Celeron J3455E and Ryzen 9 7945HX integrated GPUs, sometimes API versions are included.

DirectX	+	no data
OpenGL	+	no data

Peripherals

Specifications and connection of peripherals supported by Celeron J3455E and Ryzen 9 7945HX.

PCIe version	2.0	5.0
PCI Express lanes	6	28

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 9 7945HX outperforms Celeron J3455E by 2390% based on our aggregate benchmark results.

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Pros & cons summary

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Performance score	1.42	35.36
Integrated graphics card	0.75	2.86
Recency	1 July 2019	4 January 2023
Threads	4	32
Power consumption (TDP)	10 Watt	55 Watt

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Should you still have questions on choice between Celeron J3455E and Ryzen 9 7945HX, ask them in Comments section, and we shall answer.

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