Athlon Silver 7120U vs Celeron B815

Place in the ranking	2923	1928
Place by popularity	not in top-100	not in top-100
Market segment	Laptop	Laptop
Series	Intel Celeron	no data
Power efficiency	no data	12.49
Architecture codename	Sandy Bridge (2011−2013)	Mendocino (Zen 2) (2022−2023)
Release date	1 January 2012 (12 years ago)	20 September 2022 (2 years ago)
Launch price (MSRP)	$86	no data

Detailed specifications

Celeron B815 and Athlon Silver 7120U 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	1.6 GHz	2.4 GHz
Boost clock speed	1.6 GHz	3.5 GHz
Bus type	DMI 2.0	no data
Bus rate	4 × 5 GT/s	no data
Multiplier	16	no data
L1 cache	64K (per core)	64 KB (per core)
L2 cache	256K (per core)	512 KB (per core)
L3 cache	2 MB (shared)	2 MB (shared)
Chip lithography	32 nm	6 nm
Die size	131 mm²	100 mm²
Maximum core temperature	100 °C	no data
Number of transistors	504 million	no data
64 bit support	+	+
Windows 11 compatibility	-	no data

Compatibility

Information on Celeron B815 and Athlon Silver 7120U 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	15 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Celeron B815 and Athlon Silver 7120U. You'll probably need this information if you require some particular technology.

Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2	XFR, FMA3, SSE 4.2, AVX2, SMT
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 B815 and Athlon Silver 7120U 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 B815 and Athlon Silver 7120U 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 B815 and Athlon Silver 7120U. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types	DDR3	DDR5 Dual-channel
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	Intel® HD Graphics for 2nd Generation Intel® Processors	AMD Radeon 610M
Graphics max frequency	1.05 GHz	no data

Graphics interfaces

Available interfaces and connections of Celeron B815 and Athlon Silver 7120U 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 B815 and Athlon Silver 7120U.

PCIe version	2.0	3.0
PCI Express lanes	16	4

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 B815 0.46

Athlon Silver 7120U 1.98
+330%

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 B815 731

Athlon Silver 7120U 3142
+330%

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 B815 243

Athlon Silver 7120U 962
+296%

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 B815 413

Athlon Silver 7120U 1584
+284%

Gaming performance

Pros & cons summary

Performance score	0.46	1.98
Recency	1 January 2012	20 September 2022
Chip lithography	32 nm	6 nm
Power consumption (TDP)	35 Watt	15 Watt

Athlon Silver 7120U has a 330.4% higher aggregate performance score, an age advantage of 10 years, a 433.3% more advanced lithography process, and 133.3% lower power consumption.

The Athlon Silver 7120U is our recommended choice as it beats the Celeron B815 in performance tests.

Should you still have questions on choice between Celeron B815 and Athlon Silver 7120U, ask them in Comments section, and we shall answer.