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.

Head-to-Head Verdict, Benchmarks, Value & Long-Term Outlook

This comparison brings together gaming FPS, productivity performance, platform differences, power efficiency, pricing context, and upgrade path so you can see which CPU actually makes more sense.

Core i7-7820X

2017

Why buy it

Trade-offs

❌Smaller total L3 cache (11 MB vs 16 MB).
❌Lower PassMark per dollar, at 28.7 vs 51.5 PassMark/$ ($599 MSRP vs $329 MSRP).
❌33.3% higher power demand at 140W vs 105W.
❌No boxed cooler included, unlike Ryzen 7 PRO 2700X.

Ryzen 7 PRO 2700X

2018

Why buy it

✅+45.5% larger total L3 cache (16 MB vs 11 MB).
✅Costs $270 less on MSRP ($329 MSRP vs $599 MSRP).
✅Delivers 79.8% more PassMark for each dollar spent, at 51.5 vs 28.7 PassMark/$ ($329 MSRP vs $599 MSRP).
✅Draws 105W instead of 140W, a 35W reduction.
✅100+% more PCIe lanes (20 vs 0) for storage and expansion-heavy builds.

Trade-offs

❌Lower PassMark (16,959 vs 17,171).

Core i7-7820X

2017

Ryzen 7 PRO 2700X

2018

Why buy it

✅+45.5% larger total L3 cache (16 MB vs 11 MB).
✅Costs $270 less on MSRP ($329 MSRP vs $599 MSRP).
✅Delivers 79.8% more PassMark for each dollar spent, at 51.5 vs 28.7 PassMark/$ ($329 MSRP vs $599 MSRP).
✅Draws 105W instead of 140W, a 35W reduction.
✅100+% more PCIe lanes (20 vs 0) for storage and expansion-heavy builds.

Trade-offs

❌Smaller total L3 cache (11 MB vs 16 MB).
❌Lower PassMark per dollar, at 28.7 vs 51.5 PassMark/$ ($599 MSRP vs $329 MSRP).
❌33.3% higher power demand at 140W vs 105W.
❌No boxed cooler included, unlike Ryzen 7 PRO 2700X.

Trade-offs

❌Lower PassMark (16,959 vs 17,171).

Quick Answers

So, is Core i7-7820X better than Ryzen 7 PRO 2700X?

Yes. Core i7-7820X is the better overall CPU here. You are getting a 0.8% average FPS lead across 4 shared CPU game tests in our data and 1.3% better PassMark, which makes it the stronger all-around choice.

Which one is better for gaming?

If gaming is the priority, Core i7-7820X is the better pick here. According to our tests, it delivers 0.8% more average FPS across 4 shared CPU game tests.

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

For streaming, content creation, and heavier multitasking, Core i7-7820X is the better fit. You are getting 1.3% better PassMark, backed by 8 cores and 16 threads.

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

Core i7-7820X is still the faster CPU overall, but Ryzen 7 PRO 2700X makes more sense if price matters more than absolute performance. Core i7-7820X is 82.1% more expensive on MSRP at $599 MSRP versus $329 MSRP, and it gives you a 0.8% average FPS lead across 4 shared CPU game tests in our data. Ryzen 7 PRO 2700X is also 79.8% better value on MSRP (51.5 vs 28.7 PassMark/$), which is why it is easier to justify for price-conscious builds on paper. That said, if you already own a compatible AM4 + DDR4 setup, Ryzen 7 PRO 2700X can still make sense as a platform-matched option because it avoids a motherboard and RAM swap.

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

Ryzen 7 PRO 2700X is the more future-proof choice for 2026 and beyond. You are getting a newer CPU generation (2018 vs 2017) and 45.5% larger total L3 cache (16 MB vs 11 MB). That makes it the safer long-term pick.

Games Benchmarks

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.

Core i7-7820X Benchmark Check

Ryzen 7 PRO 2700X Benchmark Check

Path of Exile 2

Preset	Core i7-7820X	Ryzen 7 PRO 2700X
1080p
low	208 FPS	223 FPS
medium	165 FPS	191 FPS
high	132 FPS	156 FPS
ultra	100 FPS	113 FPS
1440p
low	174 FPS	183 FPS
medium	136 FPS	150 FPS
high	109 FPS	119 FPS
ultra	83 FPS	85 FPS
4K
low	88 FPS	71 FPS
medium	74 FPS	63 FPS
high	59 FPS	49 FPS
ultra	45 FPS	38 FPS

Open Core i7-7820X Open Ryzen 7 PRO 2700X

Path of Exile 2

Path of Exile 2

Counter-Strike 2

Preset	Core i7-7820X	Ryzen 7 PRO 2700X
1080p
low	368 FPS	346 FPS
medium	297 FPS	305 FPS
high	265 FPS	270 FPS
ultra	233 FPS	240 FPS
1440p
low	327 FPS	316 FPS
medium	270 FPS	285 FPS
high	242 FPS	250 FPS
ultra	209 FPS	218 FPS
4K
low	257 FPS	232 FPS
medium	216 FPS	213 FPS
high	199 FPS	195 FPS
ultra	170 FPS	170 FPS

Open Core i7-7820X Open Ryzen 7 PRO 2700X

Counter-Strike 2

Counter-Strike 2

League of Legends

Preset	Core i7-7820X	Ryzen 7 PRO 2700X
1080p
low	429 FPS	424 FPS
medium	429 FPS	424 FPS
high	429 FPS	424 FPS
ultra	429 FPS	424 FPS
1440p
low	429 FPS	424 FPS
medium	429 FPS	424 FPS
high	429 FPS	405 FPS
ultra	429 FPS	340 FPS
4K
low	429 FPS	391 FPS
medium	405 FPS	323 FPS
high	364 FPS	284 FPS
ultra	292 FPS	228 FPS

Open Core i7-7820X Open Ryzen 7 PRO 2700X

League of Legends

League of Legends

Valorant

Preset	Core i7-7820X	Ryzen 7 PRO 2700X
1080p
low	429 FPS	424 FPS
medium	429 FPS	424 FPS
high	429 FPS	424 FPS
ultra	429 FPS	424 FPS
1440p
low	429 FPS	424 FPS
medium	429 FPS	424 FPS
high	429 FPS	424 FPS
ultra	429 FPS	424 FPS
4K
low	429 FPS	424 FPS
medium	429 FPS	424 FPS
high	429 FPS	413 FPS
ultra	429 FPS	359 FPS

Open Core i7-7820X Open Ryzen 7 PRO 2700X

Valorant

Valorant

Check FPS for your specific build

Technical Specifications

Side-by-side comparison of Core i7-7820X and Ryzen 7 PRO 2700X

Core i7-7820X

The Core i7-7820X is manufactured by Intel. It was released in 26 June 2017 (8 years ago). It is based on the Skylake (server) (2017−2018) architecture. It features 8 cores and 16 threads. Base frequency is 3.6 GHz, with boost up to 4.5 GHz. L3 cache: 11 MB (total). L2 cache: 1 MB (per core). Built on 14 nm process technology. Socket: LGA2066. Thermal design power (TDP): 140 Watt. Memory support: DDR4-2666. Passmark benchmark score: 17,171 points. Launch price was $599.

Ryzen 7 PRO 2700X

The Ryzen 7 PRO 2700X is manufactured by AMD. It was released in 19 September 2018 (7 years ago). It is based on the Zen+ (2018−2019) architecture. It features 8 cores and 16 threads. Base frequency is 3.6 GHz, with boost up to 4.1 GHz. L3 cache: 16 MB (total). L2 cache: 512K (per core). Built on 12 nm process technology. Socket: AM4. Thermal design power (TDP): 105 Watt. Memory support: DDR4 Dual-channel. Passmark benchmark score: 16,959 points. Launch price was $299.

⚡

Processing Power

Both the Core i7-7820X and Ryzen 7 PRO 2700X share an identical 8-core/16-thread configuration. Boost clocks reach 4.5 GHz on the Core i7-7820X versus 4.1 GHz on the Ryzen 7 PRO 2700X — a 9.3% clock advantage for the Core i7-7820X (base: 3.6 GHz vs 3.6 GHz). The Core i7-7820X uses the Skylake (server) (2017−2018) architecture (14 nm), while the Ryzen 7 PRO 2700X uses Zen+ (2018−2019) (12 nm). In PassMark, the Core i7-7820X scores 17,171 against the Ryzen 7 PRO 2700X's 16,959 — a 1.2% lead for the Core i7-7820X. L3 cache: 11 MB (total) on the Core i7-7820X vs 16 MB (total) on the Ryzen 7 PRO 2700X.

Feature	Core i7-7820X	Ryzen 7 PRO 2700X
Cores / Threads	8 / 16	8 / 16
Boost Clock	4.5 GHz+10%	4.1 GHz
Base Clock	3.6 GHz	3.6 GHz
L3 Cache	11 MB (total)	16 MB (total)+45%
L2 Cache	1 MB (per core)+100%	512K (per core)
Process	14 nm	12 nm-14%
Architecture	Skylake (server) (2017−2018)	Zen+ (2018−2019)
PassMark	17,171+1%	16,959
Cinebench R23 Multi	—	9,500
Geekbench 6 Single	—	1,255
Geekbench 6 Multi	—	6,243

🧠

Memory & Platform

The Core i7-7820X uses the LGA2066 socket (PCIe 3.0), while the Ryzen 7 PRO 2700X uses AM4 (PCIe 3.0) — making them incompatible on the same motherboard.

Feature	Core i7-7820X	Ryzen 7 PRO 2700X
Socket	LGA2066	AM4
PCIe Generation	PCIe 3.0	PCIe 3.0
Max RAM Speed	—	DDR4-2933
Max RAM Capacity	—	128 GB
RAM Channels	—	2
ECC Support	—	Yes
PCIe Lanes	—	20

🔧

Advanced Features

Virtualization: not specified (Core i7-7820X) / AMD-V (Ryzen 7 PRO 2700X). Primary use case: Ryzen 7 PRO 2700X targets Workstation.

Feature	Core i7-7820X	Ryzen 7 PRO 2700X
Integrated GPU	—	No
Unlocked	—	Yes
AVX-512	—	No
Virtualization	—	AMD-V
Target Use	—	Workstation

💰

Value Analysis

The Core i7-7820X launched at $599 MSRP, while the Ryzen 7 PRO 2700X debuted at $329. On MSRP ($599 vs $329), the Ryzen 7 PRO 2700X is $270 cheaper. In terms of value on MSRP (PassMark points per dollar), the Core i7-7820X delivers 28.7 pts/$ vs 51.5 pts/$ for the Ryzen 7 PRO 2700X — making the Ryzen 7 PRO 2700X the 57.1% better value option.