100% Original Wholesale used/refurnished grade A level trayed packed Intel Core i5-8400T 8420 8420T 8500 8500B 8500T 8550 cpus
Here is a comparison table for the Intel Core i5 processors you listed, focusing on key specifications like cores, threads, base/boost clocks, TDP, and other relevant details:
Model | Cores / Threads | Base Clock (GHz) | Boost Clock (GHz) | Cache (MB) | TDP (W) | Integrated GPU | GPU Base Clock (MHz) | GPU Boost Clock (MHz) | Release Year | Notes |
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i5-8400T | 6 / 6 | 1.7 | 3.3 | 9 | 35 | UHD 630 | 350 | 1100 | 2018 | Low-power variant |
i5-8420 | 6 / 6 | 2.9 | 3.8 | 9 | 65 | UHD 630 | 350 | 1100 | 2018 | OEM-only (no retail) |
i5-8420T | 6 / 6 | 1.7 | 3.4 | 9 | 35 | UHD 630 | 350 | 1100 | 2018 | Low-power OEM variant |
i5-8500 | 6 / 6 | 3.0 | 4.1 | 9 | 65 | UHD 630 | 350 | 1100 | 2018 | Standard desktop CPU |
i5-8500B | 6 / 6 | 3.0 | 4.1 | 9 | 65 | UHD 630 | 350 | 1100 | 2018 | B-series (for Apple/iMac) |
i5-8500T | 6 / 6 | 2.1 | 3.5 | 9 | 35 | UHD 630 | 350 | 1100 | 2018 | Low-power variant |
i5-8550 | 6 / 6 | 3.0 | 4.3 | 9 | 65 |
1. Intel Core i5-8400T
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Cores/Threads:Â 6 cores, 6 threads
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Base/Boost Clock:Â 1.7 GHz / 3.3 GHz
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TDP:Â 35W (low-power)
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Cache:Â 9MB
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GPU:Â Intel UHD 630 (350 MHz base / 1100 MHz boost)
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Target Use:Â Energy-efficient desktops, small form factor PCs, and all-in-one systems where power efficiency is prioritized over raw performance.
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Key Feature:Â A low-TDP variant of the i5-8400, making it ideal for thermally constrained environments.
2. Intel Core i5-8420
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Cores/Threads:Â 6 cores, 6 threads
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Base/Boost Clock:Â 2.9 GHz / 3.8 GHz
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TDP:Â 65W
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Cache:Â 9MB
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GPU:Â Intel UHD 630 (350 MHz base / 1100 MHz boost)
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Target Use:Â OEM pre-built desktops and workstations (not sold at retail).
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Key Feature:Â A slightly higher base clock than the i5-8400, but still limited to 6 threads without Hyper-Threading.
3. Intel Core i5-8420T
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Cores/Threads:Â 6 cores, 6 threads
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Base/Boost Clock:Â 1.7 GHz / 3.4 GHz
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TDP:Â 35W (low-power)
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Cache:Â 9MB
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GPU:Â Intel UHD 630 (350 MHz base / 1100 MHz boost)
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Target Use:Â Low-power OEM systems, compact PCs, and industrial applications.
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Key Feature:Â Similar to the i5-8400T but with a marginally higher boost clock.
4. Intel Core i5-8500
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Cores/Threads:Â 6 cores, 6 threads
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Base/Boost Clock:Â 3.0 GHz / 4.1 GHz
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TDP:Â 65W
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Cache:Â 9MB
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GPU:Â Intel UHD 630 (350 MHz base / 1100 MHz boost)
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Target Use:Â Mainstream desktops, office PCs, and entry-level gaming/workstation builds.
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Key Feature:Â A balanced CPU with good single-core performance and no artificial limitations (unlike OEM-only models).
5. Intel Core i5-8500B
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Cores/Threads:Â 6 cores, 6 threads
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Base/Boost Clock:Â 3.0 GHz / 4.1 GHz
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TDP:Â 65W
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Cache:Â 9MB
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GPU:Â Intel UHD 630 (350 MHz base / 1100 MHz boost)
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Target Use:Â Apple iMac systems (OEM-specific).
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Key Feature:Â Essentially the same as the i5-8500 but soldered onto motherboards for Apple products.
6. Intel Core i5-8500T
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Cores/Threads:Â 6 cores, 6 threads
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Base/Boost Clock:Â 2.1 GHz / 3.5 GHz
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TDP:Â 35W (low-power)
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Cache:Â 9MB
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GPU:Â Intel UHD 630 (350 MHz base / 1100 MHz boost)
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Target Use:Â Energy-efficient desktops, home theater PCs (HTPCs), and business PCs.
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Key Feature:Â A lower-power version of the i5-8500 with reduced clock speeds for better thermals.
7. Intel Core i5-8550
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Cores/Threads:Â 6 cores, 6 threads
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Base/Boost Clock:Â 3.0 GHz / 4.3 GHz
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TDP:Â 65W
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Cache:Â 9MB
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GPU:Â Intel UHD 630 (350 MHz base / 1150 MHz boost)
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Target Use:Â Early 8th-gen OEM systems (rare, mostly in pre-built workstations).
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Key Feature:Â Slightly higher boost clock (4.3 GHz) and GPU boost (1150 MHz) than other models, but still lacks Hyper-Threading.
Summary of Differences:
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Performance: The i5-8550 has the highest boost clock (4.3 GHz), while T-series models (8400T, 8420T, 8500T) are optimized for efficiency.
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Power Consumption: 35W (T-series) vs. 65W (standard models).
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Availability: i5-8420, 8420T, 8500B, 8550 are OEM-only, while i5-8400T, 8500, 8500T were available at retail.
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GPU: All use UHD 630, but the i5-8550 has a slightly higher GPU boost clock.
These CPUs are based on Intel’s Coffee Lake architecture, offering 6 physical cores (no Hyper-Threading) and improved performance over 7th-gen Kaby Lake. The T-series is best for low-power builds, while the standard 65W models are better for general computing and light gaming.
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