Core i7-6900K vs Ryzen 7 7800X3D

Core i7-6900K

8 Cores16 Thrd140 WWMax: 4 GHz2016

Ryzen 7 7800X3D

8 Cores16 Thrd120 WWMax: 5 GHz2023

Performance Spectrum - CPU

Core i7-6900K

8 / 16

14,682

0.0%

34,293

+133.6%

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 i7-6900K

#287

Core Ultra 9 285T

MSRP: $549|Avg: $549

499%

#288

Ryzen Threadripper 1950

MSRP: $999|Avg: $300

164%

#288

Core i5-12500TE

MSRP: $225|Avg: $225

495%

#289

Athlon Silver PRO 3125GE

MSRP: $108|Avg: $70

491%

#290

Core i9-10900KF

MSRP: $509|Avg: $336

491%

#291

Core i9-7900X

MSRP: $999|Avg: $188

155%

#291

Core i9-14900T

MSRP: $549|Avg: $577

491%

#292

Core i5-13500T

MSRP: $342|Avg: $342

491%

#293

Core i3-10300

MSRP: N/A|Avg: $140.49

491%

#294

Core i9-10900F

MSRP: $464|Avg: $300

490%

#294

Core i9-7920X

MSRP: $1199|Avg: $236

145%

#295

Ryzen 7 5800X3D

MSRP: $449|Avg: $429

489%

#295

Core i9-7940X

MSRP: $1399|Avg: $275

135%

#296

Core i7-9700F

MSRP: $323|Avg: $200

488%

#297

Ryzen Threadripper 9960X

MSRP: $1499|Avg: $1419

485%

#298

Core i5-9500F

MSRP: $187|Avg: $154

481%

#298

Core i9-7960X

MSRP: $1699|Avg: $185

122%

#299

Core i9-11900KB

MSRP: $539|Avg: $350

481%

#299

Core i9-7980XE

MSRP: $1999|Avg: $300

110%

#300

Core i7-10700F

MSRP: $310|Avg: $250

479%

#301

Core i7-10700T

MSRP: $355|Avg: $200

478%

#302

Core i7-6900K

MSRP: $1089|Avg: $1089

100%

#302

Celeron G5920

MSRP: $52|Avg: $40

478%

#303

Core i3-10105T

MSRP: $122|Avg: $122

475%

#303

Core i7-5960X

MSRP: $999|Avg: $83

99%

#304

Core i7-6950X

MSRP: $1723|Avg: $180

76%

#304

Celeron G5900

MSRP: $50|Avg: $42

474%

#305

Core 5 120

MSRP: $340|Avg: $340

472%

#306

Core i7-12700T

MSRP: $339|Avg: $337

467%

#307

Core 3 100HL

MSRP: $306|Avg: $280

466%

#308

Core i9-11900F

MSRP: N/A|Avg: $358.87

456%

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

Generational Difference: This comparison involves processors from different technological eras. The Ryzen 7 7800X3D (2023) utilizes 5 nm technology and DDR5-5200, providing a fundamental performance advantage.

Insight	Core i7-6900K	Ryzen 7 7800X3D
Gaming	❌ Lower gaming performance	✅ Superior gaming performance
Workstation	❌ Weaker in multi-core tasks	✅ Better multi-core power
Price	⚠️ Higher cost ($1,089)	✅ More affordable ($384)
Longevity	🛑 Legacy (Broadwell-E (2016) / 14 nm)	✨ Modern (Raphael (Zen4) (2022−2023) / 5 nm)

💎 Value Proposition

The Core i7-6900K (2016) relies on 14 nm technology and DDR4, placing it in a different performance category relative to modern standards.

Insight	Core i7-6900K	Ryzen 7 7800X3D
Cost Efficiency	❌ Lower cost efficiency	✅ Better overall value (+562%)
Upfront Cost	⚠️ Higher cost ($1,089)	✅ More affordable ($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 i7-6900K Benchmark Check

Ryzen 7 7800X3D Benchmark Check

Technical Specifications

Side-by-side comparison of Core i7-6900K and Ryzen 7 7800X3D

Core i7-6900K

The Core i7-6900K is manufactured by Intel. It was released in 31 May 2016 (9 years ago). It is based on the Broadwell-E (2016) architecture. It features 8 cores and 16 threads. Base frequency is 3.2 GHz, with boost up to 4 GHz. L3 cache: 20 MB (total). L2 cache: 256 kB (per core). Built on 14 nm process technology. Socket: LGA2011. Thermal design power (TDP): 140 Watt. Memory support: DDR4. Passmark benchmark score: 14,682 points. Launch price was $1,020.

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 i7-6900K and Ryzen 7 7800X3D share an identical 8-core/16-thread configuration. Boost clocks reach 4 GHz on the Core i7-6900K versus 5 GHz on the Ryzen 7 7800X3D — a 22.2% clock advantage for the Ryzen 7 7800X3D (base: 3.2 GHz vs 4.4 GHz). The Core i7-6900K uses the Broadwell-E (2016) architecture (14 nm), while the Ryzen 7 7800X3D uses Raphael (Zen4) (2022−2023) (5 nm). In PassMark, the Core i7-6900K scores 14,682 against the Ryzen 7 7800X3D's 34,293 — a 80.1% lead for the Ryzen 7 7800X3D. Geekbench 6 single-core — the metric most relevant to gaming — records 1,273 vs 2,700, a 71.8% lead for the Ryzen 7 7800X3D that directly translates to higher frame rates. Multi-core Geekbench: 7,591 vs 15,000 (65.6% advantage for the Ryzen 7 7800X3D). L3 cache: 20 MB (total) on the Core i7-6900K vs 96 MB (total) on the Ryzen 7 7800X3D.

Feature	Core i7-6900K	Ryzen 7 7800X3D
Cores / Threads	8 / 16	8 / 16
Boost Clock	4 GHz	5 GHz+25%
Base Clock	3.2 GHz	4.4 GHz+38%
L3 Cache	20 MB (total)	96 MB (total)+380%
L2 Cache	256 kB (per core)	1 MB (per core)+300%
Process	14 nm	5 nm-64%
Architecture	Broadwell-E (2016)	Raphael (Zen4) (2022−2023)
PassMark	14,682	34,293+134%
Cinebench R23 Multi	—	18,500
Geekbench 6 Single	1,273	2,700+112%
Geekbench 6 Multi	7,591	15,000+98%

🧠

Memory & Platform

The Core i7-6900K uses the LGA2011 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 DDR4-2400 on the Core i7-6900K 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. Memory channels: 4 (Core i7-6900K) vs 2 (Ryzen 7 7800X3D). PCIe lanes: 40 (Core i7-6900K) vs 28 (Ryzen 7 7800X3D) — the Core i7-6900K offers 12 more lanes for additional GPUs or NVMe drives. Chipset compatibility: X99 (Core i7-6900K) and X670E,X670,B650E,B650,A620 (Ryzen 7 7800X3D).

Feature	Core i7-6900K	Ryzen 7 7800X3D
Socket	LGA2011	AM5
PCIe Generation	PCIe 3.0	PCIe 5.0+67%
Max RAM Speed	DDR4-2400	DDR5-5200+25%
Max RAM Capacity	128 GB	128 GB
RAM Channels	4+100%	2
ECC Support	❌	✅
PCIe Lanes	40+43%	28

🔧

Advanced Features

Both processors feature an unlocked multiplier for overclocking. Only the Ryzen 7 7800X3D supports AVX-512 instructions — important for machine learning and scientific applications. Virtualization support: VT-x, VT-d (Core i7-6900K) vs AMD-V (Ryzen 7 7800X3D). The Ryzen 7 7800X3D includes integrated graphics (AMD Radeon Graphics (2-core)), while the Core i7-6900K requires a dedicated GPU. Primary use case: Core i7-6900K targets High-End Desktop, Ryzen 7 7800X3D targets Gaming. Direct competitor: Ryzen 7 7800X3D rivals Intel Core i7-14700K.

Feature	Core i7-6900K	Ryzen 7 7800X3D
Integrated GPU	No	Yes
IGPU Model	None	AMD Radeon Graphics (2-core)
Unlocked	Yes	Yes
AVX-512	No	Yes
Virtualization	VT-x, VT-d	AMD-V
Target Use	High-End Desktop	Gaming

💰

Value Analysis

The Core i7-6900K launched at $1089 MSRP, while the Ryzen 7 7800X3D debuted at $449. At current prices ($1089 vs $384), the Ryzen 7 7800X3D is $705 cheaper. In terms of value (PassMark points per dollar), the Core i7-6900K delivers 13.5 pts/$ vs 89.3 pts/$ for the Ryzen 7 7800X3D — making the Ryzen 7 7800X3D the 147.5% better value option.