Core i9-11900KB vs Ryzen 7 7800X3D

Core i9-11900KB

8 Cores16 Thrd65 WWMax: 4.9 GHz2021

Ryzen 7 7800X3D

8 Cores16 Thrd120 WWMax: 5 GHz2023

Performance Spectrum - CPU

Core i9-11900KB

8 / 16

22,693

0.0%

34,293

+51.1%

Ryzen Threadripper PRO 7965WX

Ryzen Threadripper 7970X

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.

Value Upgrade Path

This is the official ChipVERSUS Value Rating, comparing raw performance (PassMark) per dollar. Components placed above yours deliver better value for money.

MSRP is the manufacturer's suggested retail price.•
Avg price is the current average price collected from markets across the web.

Performance Per Dollar Core i9-11900KB

#284

Core i7-14701E

MSRP: $392|Avg: $380

106%

#284

Ryzen Threadripper 1950X

MSRP: $999|Avg: $300

42%

#285

Core i5-10400

MSRP: $182|Avg: $175

106%

#286

Core i3-12100

MSRP: $122|Avg: $180

106%

#287

Core Ultra 9 285T

MSRP: $549|Avg: $549

104%

#288

Ryzen Threadripper 1950

MSRP: $999|Avg: $300

34%

#288

Core i5-12500TE

MSRP: $225|Avg: $225

103%

#289

Athlon Silver PRO 3125GE

MSRP: $108|Avg: $70

102%

#290

Core i9-10900KF

MSRP: $509|Avg: $336

102%

#291

Core i9-14900T

MSRP: $549|Avg: $577

102%

#291

Core i9-7900X

MSRP: $999|Avg: $188

32%

#292

Core i5-13500T

MSRP: $342|Avg: $342

102%

#293

Core i3-10300

MSRP: N/A|Avg: $140.49

102%

#294

Core i9-10900F

MSRP: $464|Avg: $300

102%

#294

Core i9-7920X

MSRP: $1199|Avg: $236

30%

#295

Ryzen 7 5800X3D

MSRP: $449|Avg: $429

102%

#295

Core i9-7940X

MSRP: $1399|Avg: $275

28%

#296

Core i7-9700F

MSRP: $323|Avg: $200

102%

#297

Ryzen Threadripper 9960X

MSRP: $1499|Avg: $1419

101%

#298

Core i9-7960X

MSRP: $1699|Avg: $185

25%

#298

Core i5-9500F

MSRP: $187|Avg: $154

100%

#299

Core i9-7980XE

MSRP: $1999|Avg: $300

23%

#299

Core i9-11900KB

MSRP: $539|Avg: $350

100%

#300

Core i7-10700F

MSRP: $310|Avg: $250

100%

#301

Core i7-10700T

MSRP: $355|Avg: $200

99%

#302

Core i7-6900K

MSRP: $1089|Avg: $1089

21%

#302

Celeron G5920

MSRP: $52|Avg: $40

99%

#303

Core i3-10105T

MSRP: $122|Avg: $122

99%

#303

Core i7-5960X

MSRP: $999|Avg: $83

21%

#304

Core i7-6950X

MSRP: $1723|Avg: $180

16%

#304

Celeron G5900

MSRP: $50|Avg: $42

98%

Based on actual market prices and performance synthetic scores.

Performance Per Dollar Ryzen 7 7800X3D

#197

Ryzen 5 5600X3D

MSRP: $229|Avg: $229

107%

#198

Core i3-9350KF

MSRP: $173|Avg: $80

106%

#199

Ryzen 7 PRO 5755GE

MSRP: $220|Avg: $220

106%

#200

Core i3-9300

MSRP: $143|Avg: $75

106%

#201

Ryzen 7 3800XT

MSRP: $399|Avg: $249

105%

#202

Core i5-11400T

MSRP: $182|Avg: $140

104%

#203

Core i3-10305

MSRP: $149|Avg: $100

103%

#204

Core i3-9320

MSRP: $154|Avg: $80

103%

#205

Core i3-10105

MSRP: $122|Avg: $90

103%

#206

Core i3-13100E

MSRP: $150|Avg: $150

102%

#207

Core i9-13900F

MSRP: $524|Avg: $536

102%

#208

Processor 300

MSRP: $82|Avg: $80

102%

#209

Ryzen 5 2600

MSRP: $199|Avg: $145

102%

#210

Ryzen 5 2400GE

MSRP: $169|Avg: $80

101%

#211

Core i9-14900KS

MSRP: $749|Avg: $670

101%

#212

Ryzen 7 7800X3D

MSRP: $449|Avg: $384

100%

#213

Core i3-8100T

MSRP: $117|Avg: $59

100%

#214

Core i7-13700E

MSRP: $390|Avg: $380

100%

#215

Ryzen 7 PRO 5750G

MSRP: $430|Avg: $270

99%

#216

Core i7-9700

MSRP: $333|Avg: $150

99%

#217

Core i5-13500TE

MSRP: $235|Avg: $250

98%

#218

Ryzen 3 PRO 2200G

MSRP: $294|Avg: $76

98%

#219

Ryzen 7 PRO 5845

MSRP: $300|Avg: $300

97%

#220

Athlon PRO 300GE

MSRP: $50|Avg: $50

97%

#221

Athlon Gold 3150G

MSRP: $100|Avg: $80

97%

#222

Core i7-9800X

MSRP: $589|Avg: $210

97%

#223

Ryzen 7 4700G

MSRP: $299|Avg: $235

96%

#224

Ryzen 9 5900

MSRP: $549|Avg: $395

96%

#225

Ryzen 5 7600X3D

MSRP: $299|Avg: $300

96%

#226

Ryzen 5 1600X

MSRP: $249|Avg: $144

59%

Based on actual market prices and performance synthetic scores.

Performance Comparison

About PassMark

🏆 Chipversus Verdict

🚀 Performance Leadership

Performance Leadership: The Ryzen 7 7800X3D delivers superior performance across the board. Its 3D V-Cache technology provides a significant advantage in gaming scenarios, while its core configuration delivers 40.7% higher multi-threaded performance.

Insight	Core i9-11900KB	Ryzen 7 7800X3D
Gaming	❌ Lower gaming performance	✅ Superior gaming performance
Workstation	❌ Weaker in multi-core tasks	✅ Better multi-core power
Price	✅ More affordable ($350)	⚠️ Higher cost ($384)
Longevity	✨ Modern (Tiger Lake-H (2021) / 10 nm SuperFin)	✨ Modern (Raphael (Zen4) (2022−2023) / 5 nm)

💎 Value Proposition

Efficiency: The Ryzen 7 7800X3D leads not only in performance but also in value. It delivers superior performance at a comparable price point.

Insight	Core i9-11900KB	Ryzen 7 7800X3D
Cost Efficiency	❌ Lower cost efficiency	✅ Better overall value (+38%)
Upfront Cost	✅ More affordable ($350)	⚠️ Higher cost ($384)

Performance Check

Paired with RTX 4090

To accurately isolate CPU performance, all benchmarks below use an NVIDIA RTX 4090 as the reference GPU. This eliminates GPU-side bottlenecks and highlights pure processing throughput differences between the CPUs.

Note: Real-world results may vary based on your actual GPU. CPU performance impact is more visible in processing-intensive titles and high-refresh-rate gaming scenarios.

Core i9-11900KB Benchmark Check

Ryzen 7 7800X3D Benchmark Check

Technical Specifications

Side-by-side comparison of Core i9-11900KB and Ryzen 7 7800X3D

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 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

Both the Core i9-11900KB and Ryzen 7 7800X3D share an identical 8-core/16-thread configuration. Boost clocks reach 4.9 GHz on the Core i9-11900KB versus 5 GHz on the Ryzen 7 7800X3D — a 2% clock advantage for the Ryzen 7 7800X3D (base: 3.3 GHz vs 4.4 GHz). The Core i9-11900KB uses the Tiger Lake-H (2021) architecture (10 nm SuperFin), while the Ryzen 7 7800X3D uses Raphael (Zen4) (2022−2023) (5 nm). In PassMark, the Core i9-11900KB scores 22,693 against the Ryzen 7 7800X3D's 34,293 — a 40.7% lead for the Ryzen 7 7800X3D. Cinebench R23 multi-core: 12,264 vs 18,500 (40.5% advantage for the Ryzen 7 7800X3D). Multi-core Geekbench: 10,645 vs 15,000 (34% advantage for the Ryzen 7 7800X3D). L3 cache: 24 MB (total) on the Core i9-11900KB vs 96 MB (total) on the Ryzen 7 7800X3D.

Feature	Core i9-11900KB	Ryzen 7 7800X3D
Cores / Threads	8 / 16	8 / 16
Boost Clock	4.9 GHz	5 GHz+2%
Base Clock	3.3 GHz	4.4 GHz+33%
L3 Cache	24 MB (total)	96 MB (total)+300%
L2 Cache	1.25 MB (per core)+25%	1 MB (per core)
Process	10 nm SuperFin	5 nm-50%
Architecture	Tiger Lake-H (2021)	Raphael (Zen4) (2022−2023)
PassMark	22,693	34,293+51%
Cinebench R23 Multi	12,264	18,500+51%
Geekbench 6 Single	—	2,700
Geekbench 6 Multi	10,645	15,000+41%

🧠

Memory & Platform

The Core i9-11900KB uses the FCBGA1787 socket (PCIe 3.0), 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 i9-11900KB versus DDR5-5200 on the Ryzen 7 7800X3D — the Ryzen 7 7800X3D supports 22.2% 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 i9-11900KB) vs 28 (Ryzen 7 7800X3D) — the Ryzen 7 7800X3D offers 8 more lanes for additional GPUs or NVMe drives. Chipset compatibility: Mobile (Core i9-11900KB) and X670E,X670,B650E,B650,A620 (Ryzen 7 7800X3D).

Feature	Core i9-11900KB	Ryzen 7 7800X3D
Socket	FCBGA1787	AM5
PCIe Generation	PCIe 3.0	PCIe 5.0+67%
Max RAM Speed	DDR4-3200	DDR5-5200+25%
Max RAM Capacity	128 GB	128 GB
RAM Channels	2	2
ECC Support	❌	✅
PCIe Lanes	20	28+40%

🔧

Advanced Features

Both processors feature an unlocked multiplier for overclocking. Both support AVX-512 instructions, benefiting scientific computing, AI inference, and encryption workloads. Virtualization support: VT-x, VT-d (Core i9-11900KB) vs AMD-V (Ryzen 7 7800X3D). Both include integrated graphics — Intel UHD Graphics (Core i9-11900KB) 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: Ryzen 7 7800X3D targets Gaming. Direct competitor: Ryzen 7 7800X3D rivals Intel Core i7-14700K.

Feature	Core i9-11900KB	Ryzen 7 7800X3D
Integrated GPU	Yes	Yes
IGPU Model	Intel UHD Graphics	AMD Radeon Graphics (2-core)
Unlocked	Yes	Yes
AVX-512	Yes	Yes
Virtualization	VT-x, VT-d	AMD-V
Target Use	—	Gaming

💰

Value Analysis

The Core i9-11900KB launched at $539 MSRP, while the Ryzen 7 7800X3D debuted at $449. At current prices ($350 vs $384), the Core i9-11900KB is $34 cheaper. In terms of value (PassMark points per dollar), the Core i9-11900KB delivers 64.8 pts/$ vs 89.3 pts/$ for the Ryzen 7 7800X3D — making the Ryzen 7 7800X3D the 31.7% better value option.