Specifications

Name: AMD Ryzen™ 7 5800X3D
Family: Ryzen
Series: Ryzen 5000 Series
Form Factor: Desktops, Boxed Processor
Market Segment: Enthusiast Desktop
Former Codename: Vermeer
Processor Architecture: Zen 3
CPU Cores: 8
Threads: 16
Base Clock: 3.4 GHz
Max Boost Clock: Up to 4.5 GHz
L1 Cache: 512 KB
L2 Cache: 4 MB
L3 Cache: 96 MB
Default TDP: 105W
CPU Die Size: 74 mm²
I/O Die Size: 125 mm²
Package Die Count: 2
Socket: AM4
Supported Chipsets: X570, X470, B550, B450, A520
Precision Boost Technology: Precision Boost 2
Instruction Set: x86-64
Supported Extensions: AES, AMD‑V, AVX, AVX2, FMA3, MMX‑plus, SHA, SSE, SSE2, SSE3, SSE4.1, SSE4.2, SSE4A, SSSE3
Recommended Cooler: Liquid cooler recommended for optimal performance
Max Operating Temperature: 90 °C
Native USB 3.2 Gen 2 Ports: 4
Native SATA Ports: 2
PCI Express Version: PCIe 4.0
CPU PCIe Lanes (Total/Usable): 24 / 20
Additional Usable PCIe Lanes from Motherboard: X570: 16x Gen 4; X470: 2x Gen 3, 8x Gen 2
NVMe Support: Boot, RAID0, RAID1, RAID10
System Memory Type: DDR4
Memory Channels: 2
Max Memory: 128 GB
Supported Memory Speeds: Up to DDR4‑3200 (1R/2R), DDR4‑2933, DDR4‑2667
ECC Support: Yes (requires motherboard support)
Graphics Capability: Discrete Graphics Card Required

Photos

What reviewers say

Tom’s Hardware rates the AMD Ryzen 7 5800X3D as the best CPU for gaming at its price point, praising its record‑breaking 96 MB of L3 cache that delivers top‑tier gaming performance while remaining power‑efficient and compatible with AM4 motherboards. The review highlights competitive pricing, PCIe 4.0 support, and solid single‑ and multi‑threaded performance as key strengths, while noting the lack of overclocking, bundled cooler, integrated graphics, and weaker desktop application performance compared to some rivals.
www.tomshardware.com ↗
KitGuru’s review of the AMD Ryzen 7 5800X3D highlights its core architecture, the addition of a 64 MB 3D V‑Cache layer that brings total L3 cache to 96 MB, and notes the chip’s slightly lower clock speeds (3.4 GHz base/4.5 GHz boost) and lack of overclocking support compared to the standard Ryzen 7 5800X. The review positions the processor primarily as a gaming CPU that offers strong value on the AM4 platform, while also mentioning potential benefits for software engineering or code‑compile workloads.
www.kitguru.net ↗
The Phoronix review finds that the Ryzen 7 5800X3D delivers disappointing Linux‑gaming performance compared to its non‑3D counterpart, largely due to its lower base and boost clocks. However, the enormous 96 MB L3 cache gives it a significant edge on many other workloads—AI/ML benchmarks, video encoding/decoding, scientific simulations, and compression tasks—making the chip an exciting prospect for future Ryzen CPUs with 3D V‑Cache.
www.phoronix.com ↗
Trusted Reviews’ article highlights AMD’s Ryzen 7 5800X3D as the first CPU to use 3D V‑Cache technology, noting a claimed 36% gaming performance boost over the Ryzen 5900X and better results than Intel’s Core i9‑12900K in several titles. The piece points out that the chip retains the same 8‑core/16‑thread, 105W TDP, and AM4 socket as the standard 5800X, making it a straightforward upgrade for existing systems. It also mentions the upcoming Zen 4/AM5 platform but does not provide a formal verdict or detailed pros/cons list.
www.trustedreviews.com ↗

Our take

Based on 4 reviews

All 4 reviews confirm the 96 MB L3 cache and 8-core/16-thread specs, with Tom’s Hardware, KitGuru, and Trusted Reviews highlighting strong gaming performance on the AM4 platform. Phoronix agrees on the cache size but notes lower clock speeds (3.4 GHz base/4.5 GHz boost) reduce Linux-gaming results. Based on their tests, we conclude the chip is a clear upgrade for gamers staying on AM4, though Phoronix’s findings suggest Linux users should compare benchmarks carefully before buying.

KitGuru and Tom’s Hardware note the lack of overclocking and integrated graphics, while Phoronix points out lower clocks hurt Linux gaming. Trusted Reviews claims a 36% boost over the 5900X, but Phoronix disputes this on Linux. Buyers should verify workload compatibility, especially for Linux or non-gaming tasks, as results vary by platform.