Pentium Gold G6405T vs A8-7650K

Performance Spectrum - CPU

Pentium Gold G6405T

2 / 4

3,095

0.0%

Core i5-520M

Core 2 Duo T7250

Core i3-3245

Celeron Dual-Core T1400

3,114

+0.6%

Ryzen Threadripper 3990X

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

Based on actual market prices and performance synthetic scores.

Performance Per Dollar A8-7650K

#1

Ryzen 9 7950X

MSRP: $194|Avg: $20

6006%

#2

Core i9-10900T

MSRP: $120|Avg: $5

5675%

#3

Ryzen 3 PRO 4355GE

MSRP: $423|Avg: $5

4121%

#4

Ryzen Threadripper 3960X

MSRP: $1399|Avg: $85

1241%

#5

Ryzen 9 9950X

MSRP: $649|Avg: $129

983%

#6

Ryzen 5 8400F

MSRP: $303|Avg: $55

860%

#7

Ryzen 7 PRO 2700

MSRP: $299|Avg: $60

493%

#8

Ryzen 5 2600X

MSRP: $229|Avg: $55

486%

#9

Ryzen 3 PRO 5350G

MSRP: $150|Avg: $60

443%

#10

Core Ultra 5 245KF

MSRP: $294|Avg: $189

443%

#11

Ryzen 5 5500

MSRP: $159|Avg: $85

438%

#12

Ryzen 5 3600

MSRP: $199|Avg: $80

426%

#13

Core i3-9100E

MSRP: $202|Avg: $30

420%

#14

Core Ultra 5 245K

MSRP: $319|Avg: $200

418%

#15

Core i3-8300T

MSRP: $138|Avg: $25

414%

#339

Core i5-8500T

MSRP: $192|Avg: $149

100%

#340

Core i9-9900KF

MSRP: $488|Avg: $350

99%

#341

Ryzen Embedded V2748

MSRP: $309|Avg: $359

99%

#342

Core i3-9350K

MSRP: $184|Avg: $150

98%

#412

A8-7650K

MSRP: N/A|Avg: N/A

100%

#419

Celeron G3900

MSRP: $42|Avg: $39

99%

#420

Celeron G1840

MSRP: $35|Avg: $30

98%

#421

Core i5-8400

MSRP: $182|Avg: $95

98%

#423

Phenom II X3 705e

MSRP: N/A|Avg: $69

98%

#427

Core 2 Duo E8500

MSRP: $26|Avg: $26

96%

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 Pentium Gold G6405T (2021) utilizes 14 nm technology and DDR4-2666, providing a fundamental performance advantage.

Insight	Pentium Gold G6405T	A8-7650K
Gaming	❌ Lower gaming performance	✅ Superior gaming performance
Workstation	❌ Weaker in multi-core tasks	✅ Better multi-core power
Price	Equivalent pricing	Equivalent pricing
Longevity	✨ Modern (Comet Lake-R (2021) / 14 nm)	🛑 Legacy (Kaveri (2014−2015) / 28 nm)

💎 Value Proposition

The A8-7650K (2015) relies on 28 nm technology and DDR3-2133, placing it in a different performance category relative to modern standards.

Insight	Pentium Gold G6405T	A8-7650K
Cost Efficiency	❌ Lower cost efficiency	❌ Lower cost efficiency
Upfront Cost	Equivalent pricing	Equivalent pricing

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.

Pentium Gold G6405T Benchmark Check

A8-7650K Benchmark Check

Technical Specifications

Side-by-side comparison of Pentium Gold G6405T and A8-7650K

Pentium Gold G6405T

The Pentium Gold G6405T is manufactured by Intel. It was released in 16 March 2021 (4 years ago). It is based on the Comet Lake-R (2021) architecture. It features 2 cores and 4 threads. Base frequency is 3.5 GHz, with boost up to 3.5 GHz. L3 cache: 4 MB (total). L2 cache: 256 kB (per core). Built on 14 nm process technology. Socket: LGA1200. Thermal design power (TDP): 35 Watt. Memory support: DDR4-2666. Passmark benchmark score: 3,095 points. Launch price was $64.

A8-7650K

The A8-7650K is manufactured by AMD. It was released in 7 January 2015 (10 years ago). It is based on the Kaveri (2014−2015) architecture. It features 4 cores and 4 threads. Base frequency is 3.3 GHz, with boost up to 3.8 GHz. L2 cache: 4096 kB. Built on 28 nm process technology. Socket: FM2+. Thermal design power (TDP): 95 Watt. Memory support: DDR3-2133. Passmark benchmark score: 3,114 points. Launch price was $152.

⚡

Processing Power

The Pentium Gold G6405T packs 2 cores / 4 threads, while the A8-7650K offers 4 cores / 4 threads — the A8-7650K has 2 more cores. Boost clocks reach 3.5 GHz on the Pentium Gold G6405T versus 3.8 GHz on the A8-7650K — a 8.2% clock advantage for the A8-7650K (base: 3.5 GHz vs 3.3 GHz). The Pentium Gold G6405T uses the Comet Lake-R (2021) architecture (14 nm), while the A8-7650K uses Kaveri (2014−2015) (28 nm). In PassMark, the Pentium Gold G6405T scores 3,095 against the A8-7650K's 3,114 — a 0.6% lead for the A8-7650K.

Feature	Pentium Gold G6405T	A8-7650K
Cores / Threads	2 / 4	4 / 4+100%
Boost Clock	3.5 GHz	3.8 GHz+9%
Base Clock	3.5 GHz+6%	3.3 GHz
L3 Cache	4 MB (total)	—
L2 Cache	256 kB (per core)	4096 kB+1500%
Process	14 nm-50%	28 nm
Architecture	Comet Lake-R (2021)	Kaveri (2014−2015)
PassMark	3,095	3,114

🧠

Memory & Platform

The Pentium Gold G6405T uses the LGA1200 socket (PCIe 3.0), while the A8-7650K uses FM2+ (PCIe 3.0) — making them incompatible on the same motherboard.

Feature	Pentium Gold G6405T	A8-7650K
Socket	LGA1200	FM2+
PCIe Generation	PCIe 3.0	PCIe 3.0
Max RAM Speed	—	2133
Max RAM Capacity	—	64
RAM Channels	—	2
ECC Support	—	❌
PCIe Lanes	—	16

🔧

Advanced Features

Virtualization: not specified (Pentium Gold G6405T) / true (A8-7650K). The A8-7650K includes integrated graphics (Radeon R7 Graphics), while the Pentium Gold G6405T requires a dedicated GPU. Direct competitor: A8-7650K rivals Core i3-4170.