Athlon PRO 3045B vs Ryzen 7 7800X3D

CPU

GPU

Athlon PRO 3045B

2 Cores4 Thrd15 WWMax: 3.2 GHz2021

Similar parts

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Ryzen 7 7800X3D

8 Cores16 Thrd120 WWMax: 5 GHz2023

Ryzen family

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Athlon PRO 3045B vs Ryzen 7 7800X3D Performance Spectrum

Athlon PRO 3045B

2 / 4

2,770

0.0%

Ryzen Threadripper PRO 7955WX

Ryzen Threadripper 3990X

Ryzen 7 7800X3D

8 / 16

34,293

+1138.0%

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.

Athlon PRO 3045B vs Ryzen 7 7800X3D FPS Benchmarks

Predicted gaming performance across popular games. Tested paired with GeForce RTX 5090 to isolate CPU performance.

Search any supported game below to compare 1080p FPS for both components.

Athlon PRO 3045B vs Ryzen 7 7800X3D: Pros, Cons & Final Verdict

See where each CPU makes more sense in practice: gaming, heavier work, platform cost, power draw, and upgrade path.

Athlon PRO 3045B

2021

Why buy it

✅Costs $23 less on MSRP ($426 MSRP vs $449 MSRP).
✅Draws 15W instead of 120W, a 105W reduction.

Trade-offs

❌Worse for gaming: lower average FPS than Ryzen 7 7800X3D across 37 shared CPU benchmark tests.
❌Lower PassMark (2,770 vs 34,293).
❌Lower PassMark per dollar, at 6.5 vs 76.4 PassMark/$ ($426 MSRP vs $449 MSRP).
❌Older platform position on FP5 with DDR4, while Ryzen 7 7800X3D moves to AM5 and DDR5.

Ryzen 7 7800X3D

2023

Why buy it

✅Better for gaming: +359.9% higher average FPS across 37 shared CPU benchmark tests.
✅Delivers 1074.6% more PassMark for each dollar spent, at 76.4 vs 6.5 PassMark/$ ($449 MSRP vs $426 MSRP).
✅Newer platform on AM5 with DDR5 support instead of FP5 and DDR4.
✅250% more PCIe lanes (28 vs 8) for storage and expansion-heavy builds.

Trade-offs

❌
5.4% HIGHER MSRP
$449 MSRPvs$426 MSRP
❌700% higher power demand at 120W vs 15W.

Quick Answers

So, is Ryzen 7 7800X3D better than Athlon PRO 3045B?

Yes. Ryzen 7 7800X3D is the better all-around CPU here. It gives you a 359.9% average FPS lead across 37 shared CPU game tests in our data, 1138% better PassMark, and the stronger long-term platform, which is enough to make it the stronger overall pick.

Which one is better for gaming?

If gaming is the priority, Ryzen 7 7800X3D is the better pick. According to our tests, it delivers 359.9% more average FPS across 37 shared CPU game tests. It also has a clear cache advantage at 96 MB versus 4 MB.

Which one is better for streaming, content creation, and heavy multitasking?

For streaming, content creation, and heavier multitasking, Ryzen 7 7800X3D is the stronger fit. You are getting 1138% better PassMark, backed by 8 cores and 16 threads. It also has the larger cache pool with 2300% larger total L3 cache (96 MB vs 4 MB).

Which one is the smarter buy today, not just the cheaper CPU?

Ryzen 7 7800X3D is the better buy right now. Ryzen 7 7800X3D comes in 5.4% more expensive on MSRP at $449 MSRP versus $426 MSRP, and it still gives you a 359.9% average FPS lead across 37 shared CPU game tests in our data. It is also 1074.6% better value on MSRP (76.4 vs 6.5 PassMark/$), so you are getting the faster CPU without taking a value hit on paper.

Which one is more future-proof for 2026 and beyond?

Ryzen 7 7800X3D makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2023 vs 2021), a healthier platform with AM5 and DDR5 instead of FP5, 3D V-Cache and a much larger 96 MB L3 cache instead of 4 MB, and more multi-core headroom with 8 cores / 16 threads instead of 2/4. That gives you a healthier platform runway for motherboard, RAM, and later CPU upgrades.

Athlon PRO 3045B vs Ryzen 7 7800X3D Technical Specifications

Side-by-side specs, architecture details, clocks, memory, power, and platform differences.

Athlon PRO 3045B

The Athlon PRO 3045B is manufactured by AMD. It was released in 2009-01-01. It is based on the Dali (2020−2021) architecture. It features 2 cores and 4 threads. Base frequency is 2.3 GHz, with boost up to 3.2 GHz. L3 cache: 4 MB (total). L2 cache: 512 kB (per core). Built on 14 nm process technology. Socket: FP5. Thermal design power (TDP): 15 Watt. Memory support: DDR4. Passmark benchmark score: 2,770 points. Launch price was $149.

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.

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Processing Power

The Athlon PRO 3045B packs 2 cores / 4 threads, while the Ryzen 7 7800X3D offers 8 cores / 16 threads — the Ryzen 7 7800X3D has 6 more cores. Boost clocks reach 3.2 GHz on the Athlon PRO 3045B versus 5 GHz on the Ryzen 7 7800X3D — a 43.9% clock advantage for the Ryzen 7 7800X3D (base: 2.3 GHz vs 4.4 GHz). The Athlon PRO 3045B uses the Dali (2020−2021) architecture (14 nm), while the Ryzen 7 7800X3D uses Raphael (Zen4) (2022−2023) (5 nm). In PassMark, the Athlon PRO 3045B scores 2,770 against the Ryzen 7 7800X3D's 34,293 — a 170.1% lead for the Ryzen 7 7800X3D. L3 cache: 4 MB (total) on the Athlon PRO 3045B vs 96 MB (total) on the Ryzen 7 7800X3D.

Feature	Athlon PRO 3045B	Ryzen 7 7800X3D
Cores / Threads	2 / 4	8 / 16+300%
Boost Clock	3.2 GHz	5 GHz+56%
Base Clock	2.3 GHz	4.4 GHz+91%
L3 Cache	4 MB (total)	96 MB (total)+2300%
L2 Cache	512 kB (per core)	1 MB (per core)+100%
Process	14 nm	5 nm-64%
Architecture	Dali (2020−2021)	Raphael (Zen4) (2022−2023)
PassMark	2,770	34,293+1138%
Cinebench R23 Multi	—	18,500
Geekbench 6 Single	—	2,700
Geekbench 6 Multi	—	15,000

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Memory & Platform

The Athlon PRO 3045B uses the FP5 socket (PCIe 4.0), 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 Athlon PRO 3045B versus DDR5-5200 on the Ryzen 7 7800X3D — the Ryzen 7 7800X3D supports 116.7% 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 32 GB — 300% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 8 (Athlon PRO 3045B) vs 28 (Ryzen 7 7800X3D) — the Ryzen 7 7800X3D offers 20 more lanes for additional GPUs or NVMe drives. Chipset compatibility: AMD FP5 (Athlon PRO 3045B) and X670E,X670,B650E,B650,A620 (Ryzen 7 7800X3D).

Feature	Athlon PRO 3045B	Ryzen 7 7800X3D
Socket	FP5	AM5
PCIe Generation	PCIe 4.0	PCIe 5.0+25%
Max RAM Speed	DDR4-2400	DDR5-5200+117%
Max RAM Capacity	32 GB	128 GB+300%
RAM Channels	2	2
ECC Support	Yes	Yes
PCIe Lanes	8	28+250%

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Advanced Features

Virtualization: not specified (Athlon PRO 3045B) / AMD-V (Ryzen 7 7800X3D). Both include integrated graphics — AMD Radeon Vega 3 (Athlon PRO 3045B) 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	Athlon PRO 3045B	Ryzen 7 7800X3D
Integrated GPU	Yes	Yes
IGPU Model	AMD Radeon Vega 3	AMD Radeon Graphics (2-core)
Unlocked	—	Yes
AVX-512	—	Yes
Virtualization	—	AMD-V
Target Use	—	Gaming

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Value Analysis

At launch, the Athlon PRO 3045B was priced at $426, while the Ryzen 7 7800X3D came in at $449. On launch pricing ($426 vs $449), Athlon PRO 3045B was $23 cheaper. In terms of value on MSRP (PassMark points per dollar), the Athlon PRO 3045B delivers 6.5 pts/$ vs 76.4 pts/$ for the Ryzen 7 7800X3D — making the Ryzen 7 7800X3D the 168.6% better value option.

Feature	Athlon PRO 3045B	Ryzen 7 7800X3D
MSRP	$426-5%	$449
Performance per Dollar	6.5	76.4+1075%
Release Date	2021	2023

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