A4 Micro-6400T vs Ryzen 7 7800X3D

CPU

GPU

A4 Micro-6400T

4 Cores4 Thrd5 WWMax: 1.6 GHz2014

Ryzen 7 7800X3D

8 Cores16 Thrd120 WWMax: 5 GHz2023

Performance Spectrum - CPU

A4 Micro-6400T

4 / 4

1,082

0.0%

Ryzen Threadripper PRO 3955WX

Ryzen Threadripper PRO 7955WX

Ryzen Threadripper 3990X

Ryzen 7 7800X3D

8 / 16

34,293

+3069.4%

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. The A4 Micro-6400T is positioned at rank #843 in our cost-efficiency ranking, representing a Lower cost-benefit for your build. 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 A4 Micro-6400T

#831

Atom x5-Z8300

MSRP: $20|Avg: N/A

1356%

#832

Atom Z3735G

MSRP: $17|Avg: N/A

1336%

#833

Core i5-480M

MSRP: $81|Avg: $77

1226%

#834

Core i5-460M

MSRP: $80|Avg: $129

1221%

#835

Core i5-2540M

MSRP: $266|Avg: $10

1210%

#837

Core i5-450M

MSRP: $32|Avg: $31

1168%

#838

Core i3-380M

MSRP: $49|Avg: $25

1120%

#839

Core i5-430M

MSRP: N/A|Avg: $33

1118%

#840

Core 2 Duo T6600

MSRP: N/A|Avg: $4

1088%

#843

A4 Micro-6400T

MSRP: N/A|Avg: N/A

100%

#852

Pentium P6300

MSRP: $80|Avg: $10

97%

#854

E-350

MSRP: $50|Avg: $15

97%

#856

Ryzen Embedded R1305G

MSRP: $150|Avg: $50

97%

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	A4 Micro-6400T	Ryzen 7 7800X3D
Gaming	❌ Lower gaming performance	✅ Superior gaming performance
Workstation	❌ Weaker in multi-core tasks	✅ Better multi-core power
Price	✅ More affordable ($0)	⚠️ Higher cost ($384)
Longevity	🛑 Legacy (Mullins (2014) / 28 nm)	✨ Modern (Raphael (Zen4) (2022−2023) / 5 nm)

💎 Value Proposition

The A4 Micro-6400T (2014) relies on 28 nm technology and DDR3-1333, placing it in a different performance category relative to modern standards.

Insight	A4 Micro-6400T	Ryzen 7 7800X3D
Cost Efficiency	❌ Lower cost efficiency	❌ Lower cost efficiency
Upfront Cost	✅ More affordable ($0)	⚠️ 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.

A4 Micro-6400T Benchmark Check

Ryzen 7 7800X3D Benchmark Check

Technical Specifications

Side-by-side comparison of A4 Micro-6400T and Ryzen 7 7800X3D

A4 Micro-6400T

The A4 Micro-6400T is manufactured by AMD. It was released in 29 April 2014 (11 years ago). It is based on the Mullins (2014) architecture. It features 4 cores and 4 threads. Base frequency is 1 GHz, with boost up to 1.6 GHz. L2 cache: 2048 kB. Built on 28 nm process technology. Socket: FT3. Thermal design power (TDP): 5 Watt. Memory support: DDR3-1333. Passmark benchmark score: 1,082 points. Launch price was $69.

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 A4 Micro-6400T packs 4 cores / 4 threads, while the Ryzen 7 7800X3D offers 8 cores / 16 threads — the Ryzen 7 7800X3D has 4 more cores. Boost clocks reach 1.6 GHz on the A4 Micro-6400T versus 5 GHz on the Ryzen 7 7800X3D — a 103% clock advantage for the Ryzen 7 7800X3D (base: 1 GHz vs 4.4 GHz). The A4 Micro-6400T uses the Mullins (2014) architecture (28 nm), while the Ryzen 7 7800X3D uses Raphael (Zen4) (2022−2023) (5 nm). In PassMark, the A4 Micro-6400T scores 1,082 against the Ryzen 7 7800X3D's 34,293 — a 187.8% lead for the Ryzen 7 7800X3D. Geekbench 6 single-core — the metric most relevant to gaming — records 180 vs 2,700, a 175% lead for the Ryzen 7 7800X3D that directly translates to higher frame rates.

Feature	A4 Micro-6400T	Ryzen 7 7800X3D
Cores / Threads	4 / 4	8 / 16+100%
Boost Clock	1.6 GHz	5 GHz+213%
Base Clock	1 GHz	4.4 GHz+340%
L3 Cache	—	96 MB (total)
L2 Cache	2048 kB+100%	1 MB (per core)
Process	28 nm	5 nm-82%
Architecture	Mullins (2014)	Raphael (Zen4) (2022−2023)
PassMark	1,082	34,293+3069%
Cinebench R23 Multi	—	18,500
Geekbench 6 Single	180	2,700+1400%
Geekbench 6 Multi	—	15,000

🧠

Memory & Platform

The A4 Micro-6400T uses the FT3 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 DDR3L-1333 on the A4 Micro-6400T versus DDR5-5200 on the Ryzen 7 7800X3D — the Ryzen 7 7800X3D supports 50% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Ryzen 7 7800X3D supports up to 128 GB of RAM compared to 8 GB — 176.5% more capacity for professional workloads. Memory channels: 1 (A4 Micro-6400T) vs 2 (Ryzen 7 7800X3D). PCIe lanes: 8 (A4 Micro-6400T) vs 28 (Ryzen 7 7800X3D) — the Ryzen 7 7800X3D offers 20 more lanes for additional GPUs or NVMe drives.

Feature	A4 Micro-6400T	Ryzen 7 7800X3D
Socket	FT3	AM5
PCIe Generation	PCIe 3.0	PCIe 5.0+67%
Max RAM Speed	DDR3L-1333	DDR5-5200+67%
Max RAM Capacity	8 GB	128 GB+1500%
RAM Channels	1	2+100%
ECC Support	❌	✅
PCIe Lanes	8	28+250%

🔧

Advanced Features

Only the Ryzen 7 7800X3D has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Only the Ryzen 7 7800X3D supports AVX-512 instructions — important for machine learning and scientific applications. Both support AMD-V virtualization. Both include integrated graphics — Radeon R3 (A4 Micro-6400T) 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: A4 Micro-6400T targets Tablet, Ryzen 7 7800X3D targets Gaming. Direct competitor: A4 Micro-6400T rivals Atom Z3770; Ryzen 7 7800X3D rivals Intel Core i7-14700K.