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Ryzen 5 1500X is AMD’s fastest quad-core based on the new Zen architecture. Simultaneous Multi-Threading (SMT) makes this a four-core, eight-thread part that runs at an out-of-the-box frequency of 3.5-3.7GHz, with single-threaded boosts to 3.9GHz under Extended Frequency Range (XFR) conditions.
Priced at $189 and shipping with the Wraith Spire cooler, AMD pits overclockable Ryzen 5 4C8T parts against multiplier-locked Core i5 processors from Intel. Logical competitors to the Ryzen 5 1500X are Intel’s Kaby Lake Core i5-7400 and Core i5-7500, depending on e-tailer pricing in the UK.
AMD deploys the 4C8T Ryzen 5 1500X CPU as a design utilising dual CPU Complex (CCX) units. This gives the quad-core part a 2+2 design, as opposed to the asymmetrical 3+1 or 4+0 deployments that may have been theoretically possible. The balanced 2+2 design could mean that AMD is able to use Ryzen CCXs that don’t make the grade with all four cores enabled (or three cores that would form Ryzen 5 six-core chips).
Other characteristics for the Ryzen 5 1500X are interesting as they distinguish it from the lower-cost quad-core 1400. The full slab of shared L3 cache is retained for the 1500X, with 8MB per CCX being available. That gives an effective 4MB of L3 cache per core (though not dedicated) that is double the available per-core capacity of Ryzen 7 and even higher than Intel’s HEDT processors. L2 cache capacity is still 512KB per core, making the total amount 2MB.
Operating frequencies are also interesting for Ryzen 1500X. The base speed is 3.5GHz, with a maximum Precision Boost speed of 3.7GHz under 2-core loading conditions. That means that all-core loads see the chip running at a solid 3.6GHz. Noteworthy, though, is the 200MHz XFR headroom – double that we have seen on any other Ryzen processors to date. This gives the 1500X an ability to clock up to 3.9GHz under single-thread loads. As with all Ryzen parts, an unlocked core ratio multiplier with 0.25x granularity allows for overclocking on supported motherboards.
AMD’s well-balanced Wraith Spire is included with the 65W TDP 1500X. This model is, however, different to the Wraith Spire supplied with Ryzen 7 1700 as it does not feature RGB lighting. For reference, Intel’s boxed Core i5 CPUs in this price range also ship with coolers.
| CPU | AMD Ryzen 5 1600X | AMD Ryzen 5 1600 | AMD Ryzen 5 1500X | AMD Ryzen 5 1400 | Intel Core i5-7600K | Intel Core i5-7400 | Intel Core i3-7350K |
| CPU Codename | Zen | Zen | Zen | Zen | Kaby Lake | Kaby Lake | Kaby Lake |
| Core / Threads |
6 / 12 | 6 / 12 | 4 / 8 | 4 / 8 | 4 / 4 | 4 / 4 | 2 / 4 |
| CCX Config | 3+3 | 3+3 | 2+2 | 2+2 | n/a | n/a | n/a |
| Base Frequency | 3.6GHz | 3.2GHz | 3.5GHz | 3.2GHz | 3.8GHz | 3.0GHz | 4.2GHz |
| Boost Frequency | 4.0GHz | 3.6GHz | 3.7GHz | 3.4GHz | 4.2GHz | 3.5GHz | n/a |
| Maximum Frequency | 4.1GHz (100MHz XFR) | 3.7GHz (100MHz XFR) | 3.9GHz (200MHz XFR) | 3.45GHz (50MHz XFR) | n/a | n/a | n/a |
| Unlocked Core Multiplier | Yes (x0.25 granularity) | Yes (x0.25 granularity) | Yes (x0.25 granularity) | Yes (x0.25 granularity) | Yes (x1 granularity) | No | Yes (x1 granularity) |
| Total Cache | 16MB L3 + 3MB L2 | 16MB L3 + 3MB L2 | 16MB L3 + 2MB L2 | 8MB L3 + 2MB L2 | 6MB L3 + 1MB L2 | 6MB L3 + 1MB L2 | 4MB L3 + 0.5MB L2 |
| PCIe Lanes | 16+4+4 | 16+4+4 | 16+4+4 | 16+4+4 | 16 | 16 | 16 |
| CPU Socket | AM4 | AM4 | AM4 | AM4 | LGA 1151 | LGA 1151 | LGA 1151 |
| Manufacturing Process | 14nm | 14nm | 14nm | 14nm | 14nm | 14nm | 14nm |
| TDP | 95W | 65W | 65W | 65W | 91W | 65W | 60W |
| CPU Cooler | n/a | Wraith Spire (no LED) | Wraith Spire (no LED) | Wraith Stealth (no LED) | n/a | Intel E97379-003 (Al slug) | n/a |
| MSRP | $249 | $219 | $189 | $169 | $242 | $182 | $168-179 |
| UK Street Price | £249.99 | £219.99 | £189.99 | £169.99 | Approx. £230 | Approx. £170 | Approx. £170 |
On the face of it, Ryzen 5 1500X looks to be worthy of its $20 premium over the 1400 thanks to higher frequencies, double the L3 cache, and a better included cooler.
Prime competition on the Intel side comes from multiplier-locked Core i5-7500 and Core i5-7400 processors, depending on selling prices in retailers. They are quad-core Kaby Lake parts without any form of additional multi-threading.
For more information regarding Ryzen and the AM4 platform, read our launch review for the Ryzen 7 1800X HERE. You can also read our Ryzen 7 1700 review HERE and the Ryzen 7 1700X review HERE.
For further analysis regarding the platform and chipset capabilities of Ryzen and AM4, you can read our Ryzen 5 1600X coverage.
eso no sirve
AMD are back in the game
Great to see you back AMD – Thanks for Ryzen!
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“Grand Theft Auto V favours Intel hardware, despite its desire for high thread counts and core frequencies” With the 7700K beating the 6800K and Ryzen bottoming its charts, that game certainly does not favor high thread counts. Its a DX11 POS.
Any DX12 game should be tested with a Radeon GPU. It is quite clear by now that nVidia’s DX12 implementation fails to parallelize rendering workload properly. I’d even go as far as to say i beleive they may have built in some intel only optimizations (think GenuineIntel checks or such racket).
DX12 is Radeon territory. If you want to eliminate GPU Bottlenecks, use Fury X at 1080p. Or two 480s in CF. Gives much more representative results.
El i5 7400 es genial!!