Ultra 9 185H vs Celeron B820

Place in the ranking	2894	325
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Laptop
Series	Intel Celeron	Intel Meteor Lake-H
Power efficiency	1.36	38.95
Architecture codename	Sandy Bridge (2011−2013)	Meteor Lake-H (2023)
Release date	1 July 2012 (12 years ago)	14 December 2023 (1 year ago)
Launch price (MSRP)	$86	$640

Detailed specifications

Celeron B820 and Core Ultra 9 185H 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)	16 (Hexadeca-Core)
Threads	2	22
Base clock speed	1.7 GHz	3.9 GHz
Boost clock speed	1.7 GHz	5.1 GHz
Bus type	DMI 2.0	no data
Bus rate	4 × 5 GT/s	no data
Multiplier	17	no data
L1 cache	64K (per core)	112 KB (per core)
L2 cache	256K (per core)	2 MB (per core)
L3 cache	2 MB (shared)	24 MB (shared)
Chip lithography	32 nm	7 nm
Die size	131 mm²	no data
Maximum core temperature	100 °C	110 °C
Number of transistors	504 million	no data
64 bit support	+	+
Windows 11 compatibility	-	no data

Compatibility

Information on Celeron B820 and Core Ultra 9 185H 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	Intel BGA 2049
Power consumption (TDP)	35 Watt	45 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Celeron B820 and Core Ultra 9 185H. 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	-	+
FMA	+	-
AVX	-	+
vPro	no data	+
Enhanced SpeedStep (EIST)	+	+
My WiFi	-	no data
Turbo Boost Technology	-	no data
Hyper-Threading Technology	-	no data
TSX	-	+
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 Core Ultra 9 185H technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Celeron B820 and Core Ultra 9 185H are enumerated here.

VT-d	-	+
VT-x	+	+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Celeron B820 and Core Ultra 9 185H. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	DDR5
Maximum memory size	16 GB	no data
Max memory channels	2	no data
Maximum memory bandwidth	21.335 GB/s	no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card Compare	Intel HD Graphics for 2nd Generation Intel Processors	Intel Arc 8-Cores iGPU ( - 2350 MHz)
Graphics max frequency	1.05 GHz	no data

Graphics interfaces

Available interfaces and connections of Celeron B820 and Core Ultra 9 185H 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 Core Ultra 9 185H.

PCIe version	2.0	5.0
PCI Express lanes	16	8

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

Ultra 9 185H 18.39
+3578%

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

Ultra 9 185H 29461
+3573%

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 279

Ultra 9 185H 2244
+704%

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 489

Ultra 9 185H 11988
+2352%

Gaming performance

Pros & cons summary

Performance score	0.50	18.39
Integrated graphics card	0.77	18.52
Recency	1 July 2012	14 December 2023
Physical cores	2	16
Threads	2	22
Chip lithography	32 nm	7 nm
Power consumption (TDP)	35 Watt	45 Watt

Celeron B820 has 28.6% lower power consumption.

Ultra 9 185H, on the other hand, has a 3578% higher aggregate performance score, 2305.2% faster integrated GPU, an age advantage of 11 years, 700% more physical cores and 1000% more threads, and a 357.1% more advanced lithography process.

The Core Ultra 9 185H is our recommended choice as it beats the Celeron B820 in performance tests.

Should you still have questions on choice between Celeron B820 and Core Ultra 9 185H, ask them in Comments section, and we shall answer.