Core i5-11500B vs Ryzen 7 7800X3D

Intel

Core i5-11500B

6 Cores12 Thrd7.5 WWMax: 4.6 GHz2021
Core family
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VS
AMD

Ryzen 7 7800X3D

8 Cores16 Thrd120 WWMax: 5 GHz2023
Ryzen family
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Core i5-11500B vs Ryzen 7 7800X3D 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.

Core i5-11500B vs Ryzen 7 7800X3D 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.

Core i5-11500B vs Ryzen 7 7800X3D: Pros, Cons & Final Verdict

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

Core i5-11500B

2021

Why buy it

  • Costs $264 less on MSRP ($185 MSRP vs $449 MSRP).
  • Delivers 20.8% more PassMark for each dollar spent, at 92.3 vs 76.4 PassMark/$ ($185 MSRP vs $449 MSRP).
  • Draws 8W instead of 120W, a 113W reduction.

Trade-offs

  • Worse for gaming: lower average FPS than Ryzen 7 7800X3D across 31 shared CPU benchmark tests.
  • Lower PassMark (17,075 vs 34,293).
  • Older platform position on FCBGA1787 with DDR4, while Ryzen 7 7800X3D moves to AM5 and DDR5.

Ryzen 7 7800X3D

2023

Why buy it

  • Better for gaming: +56.7% higher average FPS across 31 shared CPU benchmark tests.
  • Newer platform on AM5 with DDR5 support instead of FCBGA1787 and DDR4.
  • 40% more PCIe lanes (28 vs 20) for storage and expansion-heavy builds.

Trade-offs

  • Lower PassMark per dollar, at 76.4 vs 92.3 PassMark/$ ($449 MSRP vs $185 MSRP).
  • 1500% higher power demand at 120W vs 7.5W.

Quick Answers

So, is Ryzen 7 7800X3D better than Core i5-11500B?
Yes. Ryzen 7 7800X3D is the better all-around CPU here. It gives you a 56.7% average FPS lead across 31 shared CPU game tests in our data, 100.8% better PassMark, and the stronger long-term platform, which is enough to make it the stronger overall pick.
Which one is better for gaming?
If gaming is the priority, Ryzen 7 7800X3D is the better pick. According to our tests, it delivers 56.7% more average FPS across 31 shared CPU game tests. It also has a clear cache advantage at 96 MB versus 12 MB.
Which one is better for streaming, content creation, and heavy multitasking?
For streaming, content creation, and heavier multitasking, Ryzen 7 7800X3D is the stronger fit. You are getting 100.8% better PassMark, backed by 8 cores and 16 threads. It also has the larger cache pool with 700% larger total L3 cache (96 MB vs 12 MB).
Which one is the smarter buy today, not just the cheaper CPU?
Ryzen 7 7800X3D is the easy recommendation for a fresh desktop build. Ryzen 7 7800X3D comes in 142.7% more expensive on MSRP at $449 MSRP versus $185 MSRP, and it still gives you a 56.7% average FPS lead across 31 shared CPU game tests in our data. Core i5-11500B only looks good on raw value math because it is a cheap legacy laptop chip, not because it is a real desktop gaming recommendation. It simply does not keep up in modern games, especially when the gap is already 56.7% in the shared gaming data.
Which one is more future-proof for 2026 and beyond?
Ryzen 7 7800X3D makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2023 vs 2021), a healthier platform with AM5 and DDR5 instead of FCBGA1787, 3D V-Cache and a much larger 96 MB L3 cache instead of 12 MB, and more multi-core headroom with 8 cores / 16 threads instead of 6/12. That gives you a healthier platform runway for motherboard, RAM, and later CPU upgrades.

Core i5-11500B vs Ryzen 7 7800X3D Technical Specifications

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

Intel

Core i5-11500B

The Core i5-11500B is manufactured by Intel. It was released in 1 April 2021 (4 years ago). It is based on the Tiger Lake-H (2021) architecture. It features 6 cores and 12 threads. Base frequency is 3.3 GHz, with boost up to 4.6 GHz. L3 cache: 12 MB. L2 cache: 7.5 MB. Built on 10 nm process technology. Socket: FCBGA1787. Thermal design power (TDP): 65 Watt. Memory support: DDR4. Passmark benchmark score: 17,075 points. Launch price was $299.

AMD

Ryzen 7 7800X3D

The Ryzen 7 7800X3D is manufactured by AMD. It was released in 4 January 2023 (2 years ago). It is based on the Raphael (Zen4) (2022−2023) architecture. It features 8 cores and 16 threads. Base frequency is 4.4 GHz, with boost up to 5 GHz. L3 cache: 96 MB (total). L2 cache: 1 MB (per core). Built on 5 nm process technology. Socket: AM5. Thermal design power (TDP): 120 Watt. Memory support: DDR5-5200. Passmark benchmark score: 34,293 points. Launch price was $449.

Processing Power

The Core i5-11500B packs 6 cores / 12 threads, while the Ryzen 7 7800X3D offers 8 cores / 16 threads — the Ryzen 7 7800X3D has 2 more cores. Boost clocks reach 4.6 GHz on the Core i5-11500B versus 5 GHz on the Ryzen 7 7800X3D — a 8.3% clock advantage for the Ryzen 7 7800X3D (base: 3.3 GHz vs 4.4 GHz). The Core i5-11500B uses the Tiger Lake-H (2021) architecture (10 nm), while the Ryzen 7 7800X3D uses Raphael (Zen4) (2022−2023) (5 nm). In PassMark, the Core i5-11500B scores 17,075 against the Ryzen 7 7800X3D's 34,293 — a 67% lead for the Ryzen 7 7800X3D. L3 cache: 12 MB on the Core i5-11500B vs 96 MB (total) on the Ryzen 7 7800X3D.

FeatureCore i5-11500BRyzen 7 7800X3D
Cores / Threads
6 / 12
8 / 16+33%
Boost Clock
4.6 GHz
5 GHz+9%
Base Clock
3.3 GHz
4.4 GHz+33%
L3 Cache
12 MB
96 MB (total)+700%
L2 Cache
7.5 MB+650%
1 MB (per core)
Process
10 nm
5 nm-50%
Architecture
Tiger Lake-H (2021)
Raphael (Zen4) (2022−2023)
PassMark
17,075
34,293+101%
Cinebench R23 Multi
18,500
Geekbench 6 Single
2,700
Geekbench 6 Multi
15,000
🧠

Memory & Platform

The Core i5-11500B uses the FCBGA1787 socket (PCIe 4.0), while the Ryzen 7 7800X3D uses AM5 (PCIe 5.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR4-3200 on the Core i5-11500B versus DDR5-5200 on the Ryzen 7 7800X3D — the Ryzen 7 7800X3D supports 62.5% faster memory, which can translate to measurable gains in memory-sensitive workloads. Both support up to 128 GB of RAM. Both feature 2-channel memory with ECC support. PCIe lanes: 20 (Core i5-11500B) vs 28 (Ryzen 7 7800X3D) — the Ryzen 7 7800X3D offers 8 more lanes for additional GPUs or NVMe drives.

FeatureCore i5-11500BRyzen 7 7800X3D
Socket
FCBGA1787
AM5
PCIe Generation
PCIe 4.0
PCIe 5.0+25%
Max RAM Speed
DDR4-3200
DDR5-5200+63%
Max RAM Capacity
128 GB
128 GB
RAM Channels
2
2
ECC Support
No
Yes
PCIe Lanes
20
28+40%
🔧

Advanced Features

Only the Ryzen 7 7800X3D has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Both support AVX-512 instructions, benefiting scientific computing, AI inference, and encryption workloads. Virtualization support: VT-x, VT-d (Core i5-11500B) vs AMD-V (Ryzen 7 7800X3D). Both include integrated graphics UHD Graphics 32EU (Core i5-11500B) and AMD Radeon Graphics (2-core) (Ryzen 7 7800X3D) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Primary use case: Core i5-11500B targets Desktop / Mini PC, Ryzen 7 7800X3D targets Gaming. Direct competitor: Ryzen 7 7800X3D rivals Intel Core i7-14700K.

FeatureCore i5-11500BRyzen 7 7800X3D
Integrated GPU
Yes
Yes
IGPU Model
UHD Graphics 32EU
AMD Radeon Graphics (2-core)
Unlocked
No
Yes
AVX-512
Yes
Yes
Virtualization
VT-x, VT-d
AMD-V
Target Use
Desktop / Mini PC
Gaming
💰

Value Analysis

At launch, the Core i5-11500B was priced at $185, while the Ryzen 7 7800X3D came in at $449. On launch pricing ($185 vs $449), Core i5-11500B was $264 cheaper. In terms of value on MSRP (PassMark points per dollar), the Core i5-11500B delivers 92.3 pts/$ vs 76.4 pts/$ for the Ryzen 7 7800X3D — making the Core i5-11500B the 18.9% better value option.

FeatureCore i5-11500BRyzen 7 7800X3D
MSRP
$185-59%
$449
Performance per Dollar
92.3+21%
76.4
Release Date
2021
2023

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