Core i9-11900KB vs Ryzen 7 PRO 3700

Core i9-11900KB vs Ryzen 7 PRO 3700 Performance Spectrum

Core i9-11900KB

8 / 16

22,693

0.0%

22,777

+0.4%

Ryzen Threadripper PRO 3955WX

Ryzen Threadripper PRO 9945WX

Ryzen Threadripper PRO 5975WX

Ryzen Threadripper 9960X

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 i9-11900KB vs Ryzen 7 PRO 3700 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 i9-11900KB vs Ryzen 7 PRO 3700: Pros, Cons & Final Verdict

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

Core i9-11900KB

2021

Why buy it

✅Better for gaming: +3.2% higher average FPS across 50 shared CPU benchmark tests.
✅100+% more PCIe lanes (20 vs 0) for storage and expansion-heavy builds.
✅Integrated graphics onboard with Intel UHD Graphics, while Ryzen 7 PRO 3700 needs a discrete GPU.

Trade-offs

❌Lower PassMark (22,693 vs 22,777).
❌Smaller total L3 cache (24 MB vs 32 MB).
❌Lower PassMark per dollar, at 42.1 vs 69.2 PassMark/$ ($539 MSRP vs $329 MSRP).

Ryzen 7 PRO 3700

2019

Why buy it

✅+0.4% higher PassMark.
✅+33.3% larger total L3 cache (32 MB vs 24 MB).
✅Costs $210 less on MSRP ($329 MSRP vs $539 MSRP).
✅Delivers 64.4% more PassMark for each dollar spent, at 69.2 vs 42.1 PassMark/$ ($329 MSRP vs $539 MSRP).

Trade-offs

❌Worse for gaming: lower average FPS than Core i9-11900KB across 50 shared CPU benchmark tests.
❌No integrated graphics, while Core i9-11900KB can still boot and troubleshoot without a discrete GPU.

Quick Answers

So, is Ryzen 7 PRO 3700 better than Core i9-11900KB?

It depends on what you want from the system. For gaming, Core i9-11900KB is ahead with a 3.2% average FPS lead across 50 shared CPU game tests in our data. For rendering, compiling, streaming, and heavier multitasking, Ryzen 7 PRO 3700 pulls ahead with 0.4% better PassMark. Ryzen 7 PRO 3700 also has the bigger cache pool with 33.3% larger total L3 cache (32 MB vs 24 MB).

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

For streaming, content creation, and heavier multitasking, Ryzen 7 PRO 3700 is the stronger fit. You are getting 0.4% better PassMark, backed by 8 cores and 16 threads. It also has the larger cache pool with 33.3% larger total L3 cache (32 MB vs 24 MB).

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

Ryzen 7 PRO 3700 is the better buy right now. Ryzen 7 PRO 3700 comes in $210 cheaper on MSRP at $329 MSRP versus $539 MSRP, and it still gives you 0.4% better PassMark. The compromise is that Core i9-11900KB is still the better pure gaming CPU with a 3.2% average FPS lead across 50 shared CPU game tests in our data. It is also 64.4% better value on MSRP (69.2 vs 42.1 PassMark/$), so you are getting the faster CPU without taking a value hit on paper.

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

Core i9-11900KB makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2021 vs 2019). That makes it the safer long-term bet.

Core i9-11900KB vs Ryzen 7 PRO 3700 Technical Specifications

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

Core i9-11900KB

The Core i9-11900KB is manufactured by Intel. It was released in Maio 2021 (4 years ago). It is based on the Tiger Lake-H (2021) architecture. It features 8 cores and 16 threads. Base frequency is 3.3 GHz, with boost up to 4.9 GHz. L3 cache: 24 MB (total). L2 cache: 1.25 MB (per core). Built on 10 nm SuperFin process technology. Socket: FCBGA1787. Thermal design power (TDP): 65 Watt. Memory support: DDR4. Passmark benchmark score: 22,693 points. Launch price was $539.

Ryzen 7 PRO 3700

The Ryzen 7 PRO 3700 is manufactured by AMD. It was released in 30 September 2019 (6 years ago). It is based on the Matisse (2019−2020) architecture. It features 8 cores and 16 threads. Base frequency is 3.6 GHz, with boost up to 4.4 GHz. L3 cache: 32 MB. L2 cache: 512 kB (per core). Built on 7 nm process technology. Socket: AM4. Thermal design power (TDP): 65 Watt. Memory support: DDR4-3200. Passmark benchmark score: 22,777 points. Launch price was $299.

⚡

Processing Power

Both the Core i9-11900KB and Ryzen 7 PRO 3700 share an identical 8-core/16-thread configuration. Boost clocks reach 4.9 GHz on the Core i9-11900KB versus 4.4 GHz on the Ryzen 7 PRO 3700 — a 10.8% clock advantage for the Core i9-11900KB (base: 3.3 GHz vs 3.6 GHz). The Core i9-11900KB uses the Tiger Lake-H (2021) architecture (10 nm SuperFin), while the Ryzen 7 PRO 3700 uses Matisse (2019−2020) (7 nm). In PassMark, the Core i9-11900KB scores 22,693 against the Ryzen 7 PRO 3700's 22,777 — a 0.4% lead for the Ryzen 7 PRO 3700. L3 cache: 24 MB (total) on the Core i9-11900KB vs 32 MB on the Ryzen 7 PRO 3700.

Feature	Core i9-11900KB	Ryzen 7 PRO 3700
Cores / Threads	8 / 16	8 / 16
Boost Clock	4.9 GHz+11%	4.4 GHz
Base Clock	3.3 GHz	3.6 GHz+9%
L3 Cache	24 MB (total)	32 MB+33%
L2 Cache	1.25 MB (per core)+150%	512 kB (per core)
Process	10 nm SuperFin	7 nm-30%
Architecture	Tiger Lake-H (2021)	Matisse (2019−2020)
PassMark	22,693	22,777
Cinebench R23 Multi	12,264	—
Geekbench 6 Multi	10,645	—

🧠

Memory & Platform

The Core i9-11900KB uses the FCBGA1787 socket (PCIe 3.0), while the Ryzen 7 PRO 3700 uses AM4 (PCIe 4.0) — making them incompatible on the same motherboard.

Feature	Core i9-11900KB	Ryzen 7 PRO 3700
Socket	FCBGA1787	AM4
PCIe Generation	PCIe 3.0	PCIe 4.0+33%
Max RAM Speed	DDR4-3200	—
Max RAM Capacity	128 GB	—
RAM Channels	2	—
ECC Support	No	—
PCIe Lanes	20	—

🔧

Advanced Features

Virtualization: VT-x, VT-d (Core i9-11900KB) / not specified (Ryzen 7 PRO 3700). The Core i9-11900KB includes integrated graphics (Intel UHD Graphics), while the Ryzen 7 PRO 3700 requires a dedicated GPU.

Feature	Core i9-11900KB	Ryzen 7 PRO 3700
Integrated GPU	Yes	—
IGPU Model	Intel UHD Graphics	—
Unlocked	Yes	—
AVX-512	Yes	—
Virtualization	VT-x, VT-d	—

💰

Value Analysis

At launch, the Core i9-11900KB was priced at $539, while the Ryzen 7 PRO 3700 came in at $329. On launch pricing ($539 vs $329), Ryzen 7 PRO 3700 was $210 cheaper. In terms of value on MSRP (PassMark points per dollar), the Core i9-11900KB delivers 42.1 pts/$ vs 69.2 pts/$ for the Ryzen 7 PRO 3700 — making the Ryzen 7 PRO 3700 the 48.7% better value option.

Feature	Core i9-11900KB	Ryzen 7 PRO 3700
MSRP	$539	$329-39%
Performance per Dollar	42.1	69.2+64%
Release Date	2021	2019

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