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.

Atom x7809C vs Core i5-1135G7 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.

Atom x7809C vs Core i5-1135G7: Pros, Cons & Final Verdict

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

Atom x7809C

2024

Why buy it

✅+3.6% higher Geekbench multi-core.
✅Newer platform on FCBGA1264 with DDR5 support instead of FCBGA1449 and DDR4.

Trade-offs

❌Lower Geekbench single-core performance for gaming (1,102 vs 1,592).
❌Smaller total L3 cache (6 MB vs 8 MB).
❌66.7% higher power demand at 25W vs 15W.
❌No integrated graphics, while Core i5-1135G7 can still boot and troubleshoot without a discrete GPU.

Core i5-1135G7

2020

Why buy it

✅+44.5% higher Geekbench single-core performance for gaming and desktop responsiveness.
✅+33.3% larger total L3 cache (8 MB vs 6 MB).
✅Draws 15W instead of 25W, a 10W reduction.
✅77.8% more PCIe lanes (16 vs 9) for storage and expansion-heavy builds.
✅Integrated graphics onboard with Iris Xe Graphics (80 EU), while Atom x7809C needs a discrete GPU.

Trade-offs

❌Lower Geekbench multi-core (4,495 vs 4,657).
❌Older platform position on FCBGA1449 with DDR4, while Atom x7809C moves to FCBGA1264 and DDR5.

Quick Answers

So, is Core i5-1135G7 better than Atom x7809C?

It depends on what you want from the system. For gaming, Core i5-1135G7 is ahead with a 0.8% average FPS lead across 50 shared CPU game tests in our data. For rendering, compiling, streaming, and heavier multitasking, Atom x7809C pulls ahead with 3.6% better Geekbench multi-core. Core i5-1135G7 also has the bigger cache pool with 33.3% larger total L3 cache (8 MB vs 6 MB).

Which one is better for streaming, content creation, and heavy multitasking?

For streaming, content creation, and heavier multitasking, Atom x7809C is the stronger fit. You are getting 3.6% better Geekbench multi-core, backed by 8 cores and 8 threads.

Which one is the smarter buy today, not just the cheaper CPU?

Core i5-1135G7 still makes the most sense overall. Core i5-1135G7 comes in at an unclear MSRP at unclear MSRP versus unclear MSRP, and it still gives you a 0.8% average FPS lead across 50 shared CPU game tests in our data.

Which one is more future-proof for 2026 and beyond?

Atom x7809C makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2024 vs 2020), a healthier platform with FCBGA1264 and DDR5 instead of FCBGA1449, and more multi-core headroom with 8 cores / 8 threads instead of 4/8. That gives you a healthier platform runway for motherboard, RAM, and later CPU upgrades.

Atom x7809C vs Core i5-1135G7 Technical Specifications

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

Atom x7809C

The Atom x7809C is manufactured by Intel. It was released in 8 April 2024 (1 year ago). It is based on the Amston Lake (2024−2025) architecture. It features 8 cores and 8 threads. Base frequency is 2 GHz, with boost up to 3.6 GHz. L3 cache: 6 MB (total). L2 cache: 2 MB (per module). Built on 10 nm process technology. Socket: FCBGA1264. Thermal design power (TDP): 25 Watt. Memory support: DDR4, DDR5. Passmark benchmark score: 9,409 points. Launch price was $117.

Core i5-1135G7

The Core i5-1135G7 is manufactured by Intel. It was released in 2 September 2020 (5 years ago). It is based on the Tiger Lake-UP3 (2020−2021) architecture. It features 4 cores and 8 threads. Base frequency is 1.5 GHz, with boost up to 4.2 GHz. L3 cache: 8 MB (total). L2 cache: 1.25 MB (per core). Built on 10 nm SuperFin process technology. Socket: FCBGA1449. Thermal design power (TDP): 15 Watt. Memory support: DDR4. Passmark benchmark score: 9,414 points. Launch price was $309.

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Processing Power

The Atom x7809C packs 8 cores / 8 threads, while the Core i5-1135G7 offers 4 cores / 8 threads — the Atom x7809C has 4 more cores. Boost clocks reach 3.6 GHz on the Atom x7809C versus 4.2 GHz on the Core i5-1135G7 — a 15.4% clock advantage for the Core i5-1135G7 (base: 2 GHz vs 1.5 GHz). The Atom x7809C uses the Amston Lake (2024−2025) architecture (10 nm), while the Core i5-1135G7 uses Tiger Lake-UP3 (2020−2021) (10 nm SuperFin). In PassMark, the Atom x7809C scores 9,409 against the Core i5-1135G7's 9,414 — a 0.1% lead for the Core i5-1135G7. Geekbench 6 single-core — the metric most relevant to gaming — records 1,102 vs 1,592, a 36.4% lead for the Core i5-1135G7 that directly translates to higher frame rates. Multi-core Geekbench: 4,657 vs 4,495 (3.5% advantage for the Atom x7809C). L3 cache: 6 MB (total) on the Atom x7809C vs 8 MB (total) on the Core i5-1135G7.

Feature	Atom x7809C	Core i5-1135G7
Cores / Threads	8 / 8+100%	4 / 8
Boost Clock	3.6 GHz	4.2 GHz+17%
Base Clock	2 GHz+33%	1.5 GHz
L3 Cache	6 MB (total)	8 MB (total)+33%
L2 Cache	2 MB (per module)+60%	1.25 MB (per core)
Process	10 nm	10 nm SuperFin
Architecture	Amston Lake (2024−2025)	Tiger Lake-UP3 (2020−2021)
PassMark	9,409	9,414
Cinebench R23 Multi	—	5,183
Geekbench 6 Single	1,102	1,592+44%
Geekbench 6 Multi	4,657+4%	4,495

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Memory & Platform

The Atom x7809C uses the FCBGA1264 socket (PCIe 4.0), while the Core i5-1135G7 uses FCBGA1449 (PCIe 4.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR5-4800 on the Atom x7809C versus DDR4-3200, LPDDR4x-4267 on the Core i5-1135G7 — the Atom x7809C supports 50% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Core i5-1135G7 supports up to 64 GB of RAM compared to 32 GB — 100% more capacity for professional workloads. Memory channels: 1 (Atom x7809C) vs 2 (Core i5-1135G7). PCIe lanes: 9 (Atom x7809C) vs 16 (Core i5-1135G7) — the Core i5-1135G7 offers 7 more lanes for additional GPUs or NVMe drives. Chipset compatibility: FCBGA1264 (Atom x7809C) and SoC (Core i5-1135G7).

Feature	Atom x7809C	Core i5-1135G7
Socket	FCBGA1264	FCBGA1449
PCIe Generation	PCIe 4.0	PCIe 4.0
Max RAM Speed	DDR5-4800+50%	DDR4-3200, LPDDR4x-4267
Max RAM Capacity	32 GB	64 GB+100%
RAM Channels	1	2+100%
ECC Support	Yes	No
PCIe Lanes	9	16+78%

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Advanced Features

Neither processor supports overclocking. Only the Core i5-1135G7 supports AVX-512 instructions — important for machine learning and scientific applications. Virtualization support: VT-x, VT-d (Atom x7809C) vs VT-x, VT-d, EPT (Core i5-1135G7). The Core i5-1135G7 includes integrated graphics (Iris Xe Graphics (80 EU)), while the Atom x7809C requires a dedicated GPU. Primary use case: Core i5-1135G7 targets Productivity. Direct competitor: Core i5-1135G7 rivals Ryzen 5 5500U.