A9-9420 vs Celeron G1840

Place in the ranking	2391	2505
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	1.35	no data
Market segment	Desktop processor	Laptop
Series	no data	AMD Bristol Ridge
Power efficiency	1.96	5.94
Architecture codename	Haswell (2013−2015)	Stoney Ridge (2016−2019)
Release date	1 May 2014 (10 years ago)	31 May 2016 (8 years ago)
Launch price (MSRP)	$53	no data

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Celeron G1840 and A9-9420 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)	2 (Dual-core)
Threads	2	2
Base clock speed	2.8 GHz	3 GHz
Boost clock speed	2.8 GHz	3.6 GHz
Bus rate	5 GT/s	no data
L1 cache	64 KB (per core)	160 KB
L2 cache	256 KB (per core)	1 MB (shared)
L3 cache	3 MB (shared)	no data
Chip lithography	22 nm	28 nm
Die size	177 mm²	125 mm²
Maximum core temperature	no data	90 °C
Maximum case temperature (TCase)	72 °C	74 °C
Number of transistors	1,400 million	1,200 million
64 bit support	+	+
Windows 11 compatibility	-	-

Compatibility

Information on Celeron G1840 and A9-9420 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	FCLGA1150	FT4
Power consumption (TDP)	53 Watt	15 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Celeron G1840 and A9-9420. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2	Virtualization,
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	+	-

Security technologies

Celeron G1840 and A9-9420 technologies aimed at improving security, for example, by protecting against hacks.

TXT	-	no data
EDB	+	no data
Secure Key	+	no data

Virtualization technologies

Virtual machine speed-up technologies supported by Celeron G1840 and A9-9420 are enumerated here.

AMD-V	-	+
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 G1840 and A9-9420. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	DDR4
Maximum memory size	32 GB	no data
Max memory channels	2	no data
Maximum memory bandwidth	21.3 GB/s	no data
ECC memory support	+	-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card	Intel® HD Graphics for 4th Generation Intel® Processors	Radeon R5
Max video memory	1.7 GB	no data
Quick Sync Video	+	-
Clear Video HD	+	no data
Graphics max frequency	1.05 GHz	no data

Graphics interfaces

Available interfaces and connections of Celeron G1840 and A9-9420 integrated GPUs.

Number of displays supported	3	no data
eDP	+	no data
DisplayPort	+	-
HDMI	+	-
DVI	+	no data
VGA	+	no data

Graphics image quality

Maximum display resolutions supported by Celeron G1840 and A9-9420 integrated GPUs, including resolutions over different interfaces.

Max resolution over HDMI 1.4	1920x1080@60Hz	no data
Max resolution over eDP	2560x1600@60Hz	no data
Max resolution over DisplayPort	2560x1600@60Hz	no data
Max resolution over VGA	1920x1200@60Hz	no data

Graphics API support

APIs supported by Celeron G1840 and A9-9420 integrated GPUs, sometimes API versions are included.

DirectX	11.1/12	no data
OpenGL	4.3	no data

Peripherals

Specifications and connection of peripherals supported by Celeron G1840 and A9-9420.

PCIe version	Up to 3.0	3.0
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 G1840 1.14
+18.8%

A9-9420 0.96

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 G1840 1777
+18.6%

A9-9420 1498

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 G1840 482
+48.3%

A9-9420 325

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 G1840 817
+63.4%

A9-9420 500