Ryzen 5 3400G vs Celeron B800

Place in the ranking	2974	1114
Place by popularity	not in top-100	92
Market segment	Laptop	Desktop processor
Series	Intel Celeron	AMD Ryzen 5
Power efficiency	1.14	8.47
Architecture codename	Sandy Bridge (2011−2013)	Picasso (2019−2022)
Release date	19 June 2011 (13 years ago)	7 July 2019 (5 years ago)
Launch price (MSRP)	$80	no data

Detailed specifications

Celeron B800 and Ryzen 5 3400G 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)	4 (Quad-Core)
Threads	2	8
Base clock speed	1.5 GHz	3.7 GHz
Boost clock speed	1.5 GHz	4.2 GHz
Bus type	DMI 2.0	PCIe 3.0
Bus rate	4 × 5 GT/s	no data
Multiplier	15	37
L1 cache	64K (per core)	128K (per core)
L2 cache	256K (per core)	512K (per core)
L3 cache	2 MB (shared)	4 MB (shared)
Chip lithography	32 nm	12 nm
Die size	131 mm²	210 mm²
Maximum core temperature	100 °C	no data
Number of transistors	504 million	4,950 million
64 bit support	+	+
Windows 11 compatibility	-	-

Compatibility

Information on Celeron B800 and Ryzen 5 3400G 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 (Uniprocessor)
Socket	FCPGA988	AM4
Power consumption (TDP)	35 Watt	65 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Celeron B800 and Ryzen 5 3400G. 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	-	+
Enhanced SpeedStep (EIST)	+	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 B800 and Ryzen 5 3400G 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 B800 and Ryzen 5 3400G 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 B800 and Ryzen 5 3400G. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	DDR4-2933
Maximum memory size	16 GB	64 GB
Max memory channels	2	2
Maximum memory bandwidth	21.335 GB/s	46.933 GB/s
ECC memory support	-	+

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card Compare	Intel HD Graphics for 2nd Generation Intel Processors	AMD Radeon RX Vega 11
Graphics max frequency	1 GHz	no data

Graphics interfaces

Available interfaces and connections of Celeron B800 and Ryzen 5 3400G 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 B800 and Ryzen 5 3400G.

PCIe version	2.0	3.0
PCI Express lanes	16	20

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 B800 0.42

Ryzen 5 3400G 5.82
+1286%

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 B800 663

Ryzen 5 3400G 9251
+1295%

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 B800 247

Ryzen 5 3400G 1134
+359%

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 B800 414

Ryzen 5 3400G 3631
+777%

Gaming performance

Pros & cons summary

Performance score	0.42	5.82
Integrated graphics card	0.77	5.47
Recency	19 June 2011	7 July 2019
Physical cores	2	4
Threads	2	8
Chip lithography	32 nm	12 nm
Power consumption (TDP)	35 Watt	65 Watt

Celeron B800 has 85.7% lower power consumption.

Ryzen 5 3400G, on the other hand, has a 1285.7% higher aggregate performance score, 610.4% faster integrated GPU, an age advantage of 8 years, 100% more physical cores and 300% more threads, and a 166.7% more advanced lithography process.

The Ryzen 5 3400G is our recommended choice as it beats the Celeron B800 in performance tests.

Be aware that Celeron B800 is a notebook processor while Ryzen 5 3400G is a desktop one.

Should you still have questions on choice between Celeron B800 and Ryzen 5 3400G, ask them in Comments section, and we shall answer.