A4-9120C vs Core i7-9700K

AMD

A4-9120C

2 Cores2 Thrd6 WWMax: 1.6 GHz2019
VS
Intel

Core i7-9700K

8 Cores8 Thrd95 WWMax: 4.9 GHz2018

A4-9120C vs Core i7-9700K Performance Spectrum

About PassMark

PassMark CPU Mark evaluates processor speed through complex mathematical computations. It provides a reliable metric to compare multi-core performance, where higher scores indicate faster processing for multitasking, gaming, and heavy workloads.

A4-9120C vs Core i7-9700K FPS Benchmarks

Predicted gaming performance across popular games. Tested paired with GeForce RTX 5090 to isolate CPU performance.

Search any supported game below to compare 1080p FPS for both components.

A4-9120C vs Core i7-9700K: Pros, Cons & Final Verdict

See where each CPU makes more sense in practice: gaming, heavier work, platform cost, power draw, and upgrade path.

A4-9120C

2019

Why buy it

  • βœ…Draws 6W instead of 95W, a 89W reduction.

Trade-offs

  • ❌Worse for gaming: lower average FPS than Core i7-9700K across 49 shared CPU benchmark tests.
  • ❌Lower PassMark (1,258 vs 14,397).

Core i7-9700K

2018

Why buy it

  • βœ…Better for gaming: +630.4% higher average FPS across 49 shared CPU benchmark tests.
  • βœ…100% more PCIe lanes (16 vs 8) for storage and expansion-heavy builds.

Trade-offs

  • ❌Launch MSRP is still $385 MSRP, while A4-9120C mostly shows up through inconsistent older-market listings.
  • ❌1483.3% higher power demand at 95W vs 6W.

Quick Answers

So, is Core i7-9700K better than A4-9120C?
Yes. Core i7-9700K is the better all-around CPU here. It gives you a 630.4% average FPS lead across 49 shared CPU game tests in our data and 1044.4% better PassMark, which is enough to make it the stronger overall pick.
Which one is better for gaming?
If gaming is the priority, Core i7-9700K is the better pick. According to our tests, it delivers 630.4% more average FPS across 49 shared CPU game tests.
Which one is better for streaming, content creation, and heavy multitasking?
For streaming, content creation, and heavier multitasking, Core i7-9700K is the stronger fit. You are getting 1044.4% better PassMark, backed by 8 cores and 8 threads.
Which one is the smarter buy today, not just the cheaper CPU?
Core i7-9700K is the better buy right now. Core i7-9700K comes in at an unclear MSRP at $385 MSRP versus unclear MSRP, and it still gives you a 630.4% average FPS lead across 49 shared CPU game tests in our data. It is also 100.0% better value on MSRP (37.4 vs 0.0 PassMark/$), so you are getting the faster CPU without taking a value hit on paper.
Which one is more future-proof for 2026 and beyond?
A4-9120C makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2019 vs 2018). That makes it the safer long-term bet.

A4-9120C vs Core i7-9700K Technical Specifications

Side-by-side specs, architecture details, clocks, memory, power, and platform differences.

AMD

A4-9120C

The A4-9120C is manufactured by AMD. It was released in 2014-01-01. It is based on the Stoney Ridge (2016βˆ’2019) architecture. It features 2 cores and 2 threads. Max frequency: 1.6 GHz. L2 cache: 1 MB. Built on 28 nm process technology. Socket: BGA. Thermal design power (TDP): 1 MB. Memory support: DDR4. Passmark benchmark score: 1,258 points. Launch price was $50.

Intel

Core i7-9700K

The Core i7-9700K is manufactured by Intel. It was released in 19 October 2018 (7 years ago). It is based on the Coffee Lake-R (2018βˆ’2019) architecture. It features 8 cores and 8 threads. Base frequency is 3.6 GHz, with boost up to 4.9 GHz. L3 cache: 12 MB (total). L2 cache: 256K (per core). Built on 14 nm process technology. Socket: LGA1151. Thermal design power (TDP): 95 Watt. Memory support: DDR4. Passmark benchmark score: 14,397 points. Launch price was $374.

⚑

Processing Power

The A4-9120C packs 2 cores / 2 threads, while the Core i7-9700K offers 8 cores / 8 threads β€” the Core i7-9700K has 6 more cores. Boost clocks reach 1.6 GHz on the A4-9120C versus 4.9 GHz on the Core i7-9700K β€” a 101.5% clock advantage for the Core i7-9700K. The A4-9120C uses the Stoney Ridge (2016βˆ’2019) architecture (28 nm), while the Core i7-9700K uses Coffee Lake-R (2018βˆ’2019) (14 nm). In PassMark, the A4-9120C scores 1,258 against the Core i7-9700K's 14,397 β€” a 167.9% lead for the Core i7-9700K.

FeatureA4-9120CCore i7-9700K
Cores / Threads
2 / 2
8 / 8+300%
Boost Clock
1.6 GHz
4.9 GHz+206%
Base Clock
β€”
3.6 GHz
L3 Cache
β€”
12 MB (total)
L2 Cache
1 MB
256K (per core)+25500%
Process
28 nm
14 nm-50%
Architecture
Stoney Ridge (2016βˆ’2019)
Coffee Lake-R (2018βˆ’2019)
PassMark
1,258
14,397+1044%
Geekbench 6 Single
418
β€”
🧠

Memory & Platform

The A4-9120C uses the BGA socket (PCIe 3.0), while the Core i7-9700K uses LGA1151 (PCIe 3.0) β€” making them incompatible on the same motherboard. Maximum memory speed reaches DDR4-1866 on the A4-9120C versus DDR4-2666 on the Core i7-9700K β€” the Core i7-9700K supports 42.9% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Core i7-9700K supports up to 128 GB of RAM compared to 8 GB β€” 1500% more capacity for professional workloads. Memory channels: 1 (A4-9120C) vs 2 (Core i7-9700K). PCIe lanes: 8 (A4-9120C) vs 16 (Core i7-9700K) β€” the Core i7-9700K offers 8 more lanes for additional GPUs or NVMe drives.

FeatureA4-9120CCore i7-9700K
Socket
BGA
LGA1151
PCIe Generation
PCIe 3.0
PCIe 3.0
Max RAM Speed
DDR4-1866
DDR4-2666+43%
Max RAM Capacity
8 GB
128 GB+1500%
RAM Channels
1
2+100%
ECC Support
No
No
PCIe Lanes
8
16+100%
πŸ”§

Advanced Features

Only the Core i7-9700K has an unlocked multiplier for overclocking β€” a significant advantage for enthusiasts seeking extra performance. Virtualization support: AMD-V (A4-9120C) vs VT-x, VT-d (Core i7-9700K). Both include integrated graphics β€” Radeon R4 (A4-9120C) and UHD Graphics 630 (Core i7-9700K) β€” useful as a fallback for troubleshooting or display output without a dedicated GPU. Primary use case: A4-9120C targets Chromebook, Core i7-9700K targets Desktop. Direct competitor: A4-9120C rivals Celeron N3350.

FeatureA4-9120CCore i7-9700K
Integrated GPU
Yes
Yes
IGPU Model
Radeon R4
UHD Graphics 630
Unlocked
No
Yes
AVX-512
No
No
Virtualization
AMD-V
VT-x, VT-d
Target Use
Chromebook
Desktop