Ryzen 7 4800H vs Celeron B820

Place in the ranking	2873	664
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Laptop
Series	Intel Celeron	AMD Renoir (Ryzen 4000 APU)
Power efficiency	1.35	20.40
Architecture codename	Sandy Bridge (2011−2013)	Renoir-H (Zen 2) (2020)
Release date	1 July 2012 (12 years ago)	6 January 2020 (4 years ago)
Launch price (MSRP)	$86	no data

Detailed specifications

Celeron B820 and Ryzen 7 4800H 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)	8 (Octa-Core)
Threads	2	16
Base clock speed	1.7 GHz	2.9 GHz
Boost clock speed	1.7 GHz	4.2 GHz
Bus type	DMI 2.0	no data
Bus rate	4 × 5 GT/s	no data
Multiplier	17	29
L1 cache	64K (per core)	128K (per core)
L2 cache	256K (per core)	512K (per core)
L3 cache	2 MB (shared)	12 MB (shared)
Chip lithography	32 nm	7 nm
Die size	131 mm²	156 mm²
Maximum core temperature	100 °C	105 °C
Number of transistors	504 million	9800 Million
64 bit support	+	+
Windows 11 compatibility	-	+

Compatibility

Information on Celeron B820 and Ryzen 7 4800H 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 (Uniprocessor)	1
Socket	FCPGA988,PGA988	FP6
Power consumption (TDP)	35 Watt	54 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Celeron B820 and Ryzen 7 4800H. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2	MMX, SSE, SSE2, SSE3, SSSE3, SSE4A, SSE4.1, SSE4.2, AVX, AVX2, BMI2, ABM, FMA, ADX, SMEP, SMAP, SMT, CPB, AES-NI, RDRAND, RDSEED, SHA, SME
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

Security technologies

Celeron B820 and Ryzen 7 4800H 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 4800H 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 4800H. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	DDR4
Maximum memory size	16 GB	64 GB
Max memory channels	2	no data
Maximum memory bandwidth	21.335 GB/s	68.27 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	Intel® HD Graphics for 2nd Generation Intel® Processors	AMD Radeon Vega 7
Graphics max frequency	1.05 GHz	no data

Graphics interfaces

Available interfaces and connections of Celeron B820 and Ryzen 7 4800H integrated GPUs.

Number of displays supported	2	no 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 4800H.

PCIe version	2.0	3.0
PCI Express lanes	16	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 B820 0.50

Ryzen 7 4800H 11.64
+2228%

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 4800H 18483
+2205%

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 4800H 1490
+432%

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 492

Ryzen 7 4800H 6107
+1141%

Gaming performance

Pros & cons summary

Performance score	0.50	11.64
Recency	1 July 2012	6 January 2020
Physical cores	2	8
Threads	2	16
Chip lithography	32 nm	7 nm
Power consumption (TDP)	35 Watt	54 Watt

Celeron B820 has 54.3% lower power consumption.

Ryzen 7 4800H, on the other hand, has a 2228% higher aggregate performance score, an age advantage of 7 years, 300% more physical cores and 700% more threads, and a 357.1% more advanced lithography process.

The Ryzen 7 4800H is our recommended choice as it beats the Celeron B820 in performance tests.

Should you still have questions on choice between Celeron B820 and Ryzen 7 4800H, ask them in Comments section, and we shall answer.