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Phenom X4 9750B vs Ryzen 7 5700X

CPUCPUGPUGPU
AMD

Phenom X4 9750B

4 Cores4 Thrd95 WWMax: 2.4 GHz2008
Similar parts
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VS
AMD

Ryzen 7 5700X

8 Cores16 Thrd65 WWMax: 4.6 GHz2022
Ryzen family
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Phenom X4 9750B vs Ryzen 7 5700X Performance Spectrum

Phenom X4 9750B
4 / 4
1,520
0.0%
brand logoAthlon 64 X2 TK-42
brand logoAthlon II X2 215
brand logoAthlon 64 X2 4000+
brand logoAthlon II X2 270
brand logoRyzen 5 7640U
brand logoRyzen Threadripper PRO 5945WX
brand logoRyzen Threadripper PRO 7955WX
brand logoRyzen Threadripper 3990X
Ryzen 7 5700X
8 / 16
26,609
+1650.6%
brand logoRyzen 7 PRO 4750U
brand logoRyzen 5 7535HS
brand logoRyzen 7 5800H
brand logoRyzen 7 7735H
brand logoRyzen AI Max PRO 390
brand logoRyzen Threadripper PRO 7955WX
brand logoRyzen Threadripper 3990X
brand logoRyzen Threadripper 9960X

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.

Phenom X4 9750B vs Ryzen 7 5700X 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.

Path of Exile 2

Path of Exile 2

1080P
Phenom X4 9750B
low38 FPS
medium38 FPS
high38 FPS
ultra38 FPS
1080P
Ryzen 7 5700X
low156 FPS
medium129 FPS
high115 FPS
ultra94 FPS
Counter-Strike 2

Counter-Strike 2

1080P
Phenom X4 9750B
low38 FPS
medium38 FPS
high38 FPS
ultra38 FPS
1080P
Ryzen 7 5700X
low649 FPS
medium549 FPS
high448 FPS
ultra404 FPS
League of Legends

League of Legends

1080P
Phenom X4 9750B
low38 FPS
medium38 FPS
high38 FPS
ultra38 FPS
1080P
Ryzen 7 5700X
low665 FPS
medium557 FPS
high509 FPS
ultra439 FPS
Valorant

Valorant

1080P
Phenom X4 9750B
low38 FPS
medium38 FPS
high38 FPS
ultra38 FPS
1080P
Ryzen 7 5700X
low665 FPS
medium665 FPS
high665 FPS
ultra665 FPS
Among Us

Among Us

1080P
Phenom X4 9750B
low38 FPS
medium38 FPS
high38 FPS
ultra38 FPS
1080P
Ryzen 7 5700X
low60 FPS
medium60 FPS
high60 FPS
ultra60 FPS
Apex Legends

Apex Legends

1080P
Phenom X4 9750B
low38 FPS
medium38 FPS
high38 FPS
ultra38 FPS
1080P
Ryzen 7 5700X
low300 FPS
medium300 FPS
high300 FPS
ultra300 FPS
ARC Raiders

ARC Raiders

1080P
Phenom X4 9750B
low38 FPS
medium38 FPS
high38 FPS
ultra38 FPS
1080P
Ryzen 7 5700X
low289 FPS
medium219 FPS
high191 FPS
ultra172 FPS
Baldur's Gate 3

Baldur's Gate 3

1080P
Phenom X4 9750B
low38 FPS
medium38 FPS
high38 FPS
ultra38 FPS
1080P
Ryzen 7 5700X
low278 FPS
medium245 FPS
high191 FPS
ultra155 FPS
Call of Duty: Black Ops 6

Call of Duty: Black Ops 6

1080P
Phenom X4 9750B
low26 FPS
medium20 FPS
high10 FPS
ultra5 FPS
1080P
Ryzen 7 5700X
low351 FPS
medium300 FPS
high259 FPS
ultra221 FPS
Call of Duty: Warzone

Call of Duty: Warzone

1080P
Phenom X4 9750B
low38 FPS
medium38 FPS
high38 FPS
ultra38 FPS
1080P
Ryzen 7 5700X
low238 FPS
medium218 FPS
high185 FPS
ultra172 FPS
Check FPS with Custom Builds

Phenom X4 9750B vs Ryzen 7 5700X: Pros, Cons & Final Verdict

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

Phenom X4 9750B

2008

Why buy it

  • ✅Costs $84 less on MSRP ($215 MSRP vs $299 MSRP).

Trade-offs

  • ❌Worse for gaming: lower average FPS than Ryzen 7 5700X across 50 shared CPU benchmark tests.
  • ❌Lower Geekbench multi-core (1,000 vs 9,715).
  • ❌Smaller total L3 cache (2 MB vs 32 MB).
  • ❌Lower PassMark per dollar, at 7.1 vs 89.0 PassMark/$ ($215 MSRP vs $299 MSRP).
  • ❌46.2% higher power demand at 95W vs 65W.

Ryzen 7 5700X

2022

Why buy it

  • ✅Better for gaming: +562.5% higher average FPS across 50 shared CPU benchmark tests.
  • ✅+1500% larger total L3 cache (32 MB vs 2 MB).
  • ✅Delivers 1158.8% more PassMark for each dollar spent, at 89.0 vs 7.1 PassMark/$ ($299 MSRP vs $215 MSRP).
  • ✅Draws 65W instead of 95W, a 30W reduction.
  • ✅50% more PCIe lanes (24 vs 16) for storage and expansion-heavy builds.

Trade-offs

  • ❌
    39.1% HIGHER MSRP
    $299 MSRPvs$215 MSRP

Quick Answers

So, is Ryzen 7 5700X better than Phenom X4 9750B?
Yes. Ryzen 7 5700X is the better all-around CPU here. It gives you a 562.5% average FPS lead across 50 shared CPU game tests in our data, 871.5% better Geekbench multi-core, 1650.6% higher 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 5700X is the better pick. According to our tests, it delivers 562.5% more average FPS across 50 shared CPU game tests.
Which one is better for streaming, content creation, and heavy multitasking?
For streaming, content creation, and heavier multitasking, Ryzen 7 5700X is the stronger fit. You are getting 871.5% better Geekbench multi-core, backed by 8 cores and 16 threads. It also has the larger cache pool with 1500% larger total L3 cache (32 MB vs 2 MB).
Which one is the smarter buy today, not just the cheaper CPU?
Ryzen 7 5700X is the better buy right now. Ryzen 7 5700X comes in 39.1% more expensive on MSRP at $299 MSRP versus $215 MSRP, and it still gives you a 562.5% average FPS lead across 50 shared CPU game tests in our data. It is also 1158.8% better value on MSRP (89.0 vs 7.1 PassMark/$), 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 5700X makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2022 vs 2008), 1500% larger total L3 cache (32 MB vs 2 MB), and more multi-core headroom with 8 cores / 16 threads instead of 4/4. That extra compute headroom is more likely to matter as games, background tasks, and creator workloads get heavier.

Phenom X4 9750B vs Ryzen 7 5700X Technical Specifications

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

AMD

Phenom X4 9750B

The Phenom X4 9750B is manufactured by AMD. It was released in 2009-01-01. It is based on the Agena (2007−2008) architecture. It features 4 cores and 4 threads. Max frequency: 2.4 GHz. L3 cache: 2 MB (total). L2 cache: 512 kB (per core). Built on 65 nm process technology. Socket: AM2+. Thermal design power (TDP): 95 Watt. Passmark benchmark score: 1,520 points. Launch price was $149.

AMD

Ryzen 7 5700X

The Ryzen 7 5700X is manufactured by AMD. It was released in 4 April 2022 (3 years ago). It is based on the Vermeer (Zen 3) (2020−2022) architecture. It features 8 cores and 16 threads. Base frequency is 3.4 GHz, with boost up to 4.6 GHz. L3 cache: 32 MB (total). L2 cache: 512K (per core). Built on 7 nm process technology. Socket: AM4. Thermal design power (TDP): 65 Watt. Memory support: DDR4-3200. Passmark benchmark score: 26,609 points. Launch price was $299.

⚡

Processing Power

The Phenom X4 9750B packs 4 cores / 4 threads, while the Ryzen 7 5700X offers 8 cores / 16 threads — the Ryzen 7 5700X has 4 more cores. Boost clocks reach 2.4 GHz on the Phenom X4 9750B versus 4.6 GHz on the Ryzen 7 5700X — a 62.9% clock advantage for the Ryzen 7 5700X. The Phenom X4 9750B uses the Agena (2007−2008) architecture (65 nm), while the Ryzen 7 5700X uses Vermeer (Zen 3) (2020−2022) (7 nm). In PassMark, the Phenom X4 9750B scores 1,520 against the Ryzen 7 5700X's 26,609 — a 178.4% lead for the Ryzen 7 5700X. Geekbench 6 single-core — the metric most relevant to gaming — records 300 vs 2,116, a 150.3% lead for the Ryzen 7 5700X that directly translates to higher frame rates. Multi-core Geekbench: 1,000 vs 9,715 (162.7% advantage for the Ryzen 7 5700X). L3 cache: 2 MB (total) on the Phenom X4 9750B vs 32 MB (total) on the Ryzen 7 5700X.

FeaturePhenom X4 9750BRyzen 7 5700X
Cores / Threads
4 / 4
8 / 16+100%
Boost Clock
2.4 GHz
4.6 GHz+92%
Base Clock
—
3.4 GHz
L3 Cache
2 MB (total)
32 MB (total)+1500%
L2 Cache
512 kB (per core)
512K (per core)
Process
65 nm
7 nm-89%
Architecture
Agena (2007−2008)
Vermeer (Zen 3) (2020−2022)
PassMark
1,520
26,609+1651%
Cinebench R23 Multi
—
14,000
Geekbench 6 Single
300
2,116+605%
Geekbench 6 Multi
1,000
9,715+872%
🧠

Memory & Platform

The Phenom X4 9750B uses the AM2+ socket (PCIe 2.0), while the Ryzen 7 5700X uses AM4 (PCIe 4.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR2-1066 on the Phenom X4 9750B versus DDR4-3200 on the Ryzen 7 5700X — the Ryzen 7 5700X supports 200.2% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Ryzen 7 5700X supports up to 128 GB of RAM compared to 8 GB — 1500% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 16 (Phenom X4 9750B) vs 24 (Ryzen 7 5700X) — the Ryzen 7 5700X offers 8 more lanes for additional GPUs or NVMe drives. Chipset compatibility: AM2+,AM2 (Phenom X4 9750B) and A320,B350,X370,B450,X470,B550,X570 (Ryzen 7 5700X).

FeaturePhenom X4 9750BRyzen 7 5700X
Socket
AM2+
AM4
PCIe Generation
PCIe 2.0
PCIe 4.0+100%
Max RAM Speed
DDR2-1066
DDR4-3200+200%
Max RAM Capacity
8 GB
128 GB+1500%
RAM Channels
2
2
ECC Support
No
Yes
PCIe Lanes
16
24+50%
🔧

Advanced Features

Only the Ryzen 7 5700X has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Both support AMD-V virtualization. Primary use case: Phenom X4 9750B targets Legacy Desktop, Ryzen 7 5700X targets Gaming. Direct competitor: Ryzen 7 5700X rivals Core i7-11700K.

FeaturePhenom X4 9750BRyzen 7 5700X
Integrated GPU
No
No
IGPU Model
None
—
Unlocked
No
Yes
AVX-512
No
No
Virtualization
AMD-V
AMD-V
Target Use
Legacy Desktop
Gaming
💰

Value Analysis

At launch, the Phenom X4 9750B was priced at $215, while the Ryzen 7 5700X came in at $299. On launch pricing ($215 vs $299), Phenom X4 9750B was $84 cheaper. In terms of value on MSRP (PassMark points per dollar), the Phenom X4 9750B delivers 7.1 pts/$ vs 89.0 pts/$ for the Ryzen 7 5700X — making the Ryzen 7 5700X the 170.6% better value option.

FeaturePhenom X4 9750BRyzen 7 5700X
MSRP
$215-28%
$299
Performance per Dollar
7.1
89.0+1154%
Release Date
2008
2022
Search Phenom X4 9750B on AmazonSearch Ryzen 7 5700X on Amazon

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