Ryzen 7 7800X3D vs Celeron B820

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Aggregate performance score

Celeron B820
2012
2 cores / 2 threads, 35 Watt
0.52
Ryzen 7 7800X3D
2023
8 cores / 16 threads, 120 Watt
22.40
+4208%

Ryzen 7 7800X3D outperforms Celeron B820 by a whopping 4208% based on our aggregate benchmark results.

Primary details

Comparing Celeron B820 and Ryzen 7 7800X3D processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking2867242
Place by popularitynot in top-10015
Cost-effectiveness evaluationno data38.04
Market segmentLaptopDesktop processor
SeriesIntel Celeronno data
Power efficiency1.3517.02
Architecture codenameSandy Bridge (2011−2013)Raphael (Zen4) (2022−2023)
Release date1 July 2012 (12 years ago)4 January 2023 (1 year ago)
Launch price (MSRP)$86$449

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Celeron B820 and Ryzen 7 7800X3D 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 cores2 (Dual-core)8 (Octa-Core)
Threads216
Base clock speed1.7 GHz4.4 GHz
Boost clock speed1.7 GHz5 GHz
Bus typeDMI 2.0no data
Bus rate4 × 5 GT/s162 MHz
Multiplier17no data
L1 cache64K (per core)64K (per core)
L2 cache256K (per core)1 MB (per core)
L3 cache2 MB (shared)96 MB (shared)
Chip lithography32 nm5 nm
Die size131 mm271 mm2
Maximum core temperature100 °C89 °C
Maximum case temperature (TCase)no data61 °C
Number of transistors504 million6,570 million
64 bit support++
Windows 11 compatibility-+
Unlocked multiplier-+

Compatibility

Information on Celeron B820 and Ryzen 7 7800X3D 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 configuration1 (Uniprocessor)1
SocketFCPGA988,PGA988AM5
Power consumption (TDP)35 Watt120 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Celeron B820 and Ryzen 7 7800X3D. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.1, Intel® SSE4.286x MMX, SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, SSE4A,-64, AMD-V, AES, AVX, AVX2, AVX512, BMI1, BMI2, F16C, FMA3, AMD64, EVP, AMD-V, SMAP, SMEP, SMT SHA, XFR2, Precision Boost 2
AES-NI-+
FMA+-
AVX-+
Enhanced SpeedStep (EIST)+no data
My WiFi-no data
Turbo Boost Technology-no data
Hyper-Threading Technology-no data
Idle States+no data
Thermal Monitoring+-
Flex Memory Access+no data
Demand Based Switching-no data
FDI+no data
Fast Memory Access+no data
Precision Boost 2no data+

Security technologies

Celeron B820 and Ryzen 7 7800X3D technologies aimed at improving security, for example, by protecting against hacks.

TXT-no data
EDB+no data
Anti-Theft-no data

Virtualization technologies

Virtual machine speed-up technologies supported by Celeron B820 and Ryzen 7 7800X3D are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Celeron B820 and Ryzen 7 7800X3D. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3DDR5-5200
Maximum memory size16 GBno data
Max memory channels2no data
Maximum memory bandwidth21.335 GB/sno data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardIntel® HD Graphics for 2nd Generation Intel® ProcessorsAMD Radeon Graphics (Ryzen 7000)
Graphics max frequency1.05 GHzno data

Graphics interfaces

Available interfaces and connections of Celeron B820 and Ryzen 7 7800X3D integrated GPUs.

Number of displays supported2no data
eDP+no data
DisplayPort+-
HDMI+-
SDVO+no data
CRT+no data

Peripherals

Specifications and connection of peripherals supported by Celeron B820 and Ryzen 7 7800X3D.

PCIe version2.05.0
PCI Express lanes1624

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 B820 0.52
Ryzen 7 7800X3D 22.40
+4208%

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 B820 802
Ryzen 7 7800X3D 34273
+4173%

GeekBench 5 Single-Core

GeekBench 5 Single-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses only a single CPU core.

Celeron B820 280
Ryzen 7 7800X3D 2726
+874%

GeekBench 5 Multi-Core

GeekBench 5 Multi-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses all available CPU cores.

Celeron B820 490
Ryzen 7 7800X3D 15158
+2993%

Gaming performance

Pros & cons summary


Performance score 0.52 22.40
Recency 1 July 2012 4 January 2023
Physical cores 2 8
Threads 2 16
Chip lithography 32 nm 5 nm
Power consumption (TDP) 35 Watt 120 Watt

Celeron B820 has 242.9% lower power consumption.

Ryzen 7 7800X3D, on the other hand, has a 4207.7% higher aggregate performance score, an age advantage of 10 years, 300% more physical cores and 700% more threads, and a 540% more advanced lithography process.

The Ryzen 7 7800X3D is our recommended choice as it beats the Celeron B820 in performance tests.

Be aware that Celeron B820 is a notebook processor while Ryzen 7 7800X3D is a desktop one.


Should you still have questions on choice between Celeron B820 and Ryzen 7 7800X3D, ask them in Comments section, and we shall answer.

Vote for your favorite

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite CPU.


Intel Celeron B820
Celeron B820
AMD Ryzen 7 7800X3D
Ryzen 7 7800X3D

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Community ratings

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Questions & comments

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