A4-9120C vs FX-770K

Place in performance ranking	1894	2752
Place by popularity	not in top-100	not in top-100
Market segment	Desktop processor	Laptop
Series	no data	AMD Bristol Ridge
Architecture codename	Kaveri (2014−2015)	Stoney Ridge (2016−2019)
Release date	December 2014 (9 years ago)	6 January 2019 (5 years ago)
Current price	$28	$290

Detailed specifications

FX-770K and A4-9120C 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	4 (Quad-Core)	2 (Dual-core)
Threads	4	2
Base clock speed	3.5 GHz	1.6 GHz
Boost clock speed	3.9 GHz	2.4 GHz
L1 cache	256K	160 KB
L2 cache	4 MB	1 MB
Chip lithography	28 nm	28 nm
Die size	245 mm²	124.5 mm²
Maximum case temperature (TCase)	72 °C	no data
Number of transistors	2,411 million	1200 Million
64 bit support	+	+
Windows 11 compatibility	no data	-
Unlocked multiplier	Yes	No

Compatibility

Information on FX-770K and A4-9120C 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	no data
Socket	FM2+	BGA
Power consumption (TDP)	65 Watt	6 Watt

Technologies and extensions

Technological solutions and additional instructions supported by FX-770K and A4-9120C. You'll probably need this information if you require some particular technology.

Instruction set extensions	no data	Single-Channel DDR4-2133, Virtualization,
AES-NI	+	no data
FMA	+	no data
AVX	+	no data

Virtualization technologies

Virtual machine speed-up technologies supported by FX-770K and A4-9120C are enumerated here.

AMD-V

Memory specs

Types, maximum amount and channel quantity of RAM supported by FX-770K and A4-9120C. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory types

DDR3-2133

DDR4

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card

no data

AMD Radeon R4 (Stoney Ridge)

Peripherals

Specifications and connection of peripherals supported by FX-770K and A4-9120C.

PCIe version	3.0	no data
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.

FX-770K 1.88
+255%

A4-9120C 0.53

FX-770K outperforms A4-9120C by 255% based on our aggregate benchmark results.

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.

Benchmark coverage: 68%

FX-770K 2915
+257%

A4-9120C 817

FX-770K outperforms A4-9120C by 257% in Passmark.