CPU
GPU
Core i5-6600T
Core i5-5675R
Performance Spectrum - CPU
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.
Value Upgrade Path
This is the official ChipVERSUS Value Rating, comparing raw performance (PassMark) per dollar. Components placed above yours deliver better value for money. The Core i5-6600T is positioned at rank 659 and the Core i5-5675R is on rank 876, so the Core i5-6600T offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Core i5-6600T
Performance Per Dollar Core i5-5675R
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core i5-6600T | Core i5-5675R |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ✅ More affordable ($35) | ⚠️ Higher cost ($392) |
| Longevity | 🛑 Legacy (Skylake (2015−2016) / 14 nm) | 🛑 Legacy (Broadwell (2015−2019) / 14 nm) |
💎 Value Proposition
| Insight | Core i5-6600T | Core i5-5675R |
|---|---|---|
| Cost Efficiency | ✅ Better overall value (+1020%) | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($35) | ⚠️ Higher cost ($392) |
Performance Check
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.
Technical Specifications
Side-by-side comparison of Core i5-6600T and Core i5-5675R
Core i5-6600T
The Core i5-6600T is manufactured by Intel. It was released in 2 July 2015 (10 years ago). It is based on the Skylake (2015−2016) architecture. It features 4 cores and 4 threads. Base frequency is 2.7 GHz, with boost up to 3.5 GHz. L3 cache: 6 MB (total). L2 cache: 256 kB (per core). Built on 14 nm process technology. Socket: LGA1151. Thermal design power (TDP): 35 Watt. Memory support: DDR3, DDR4. Passmark benchmark score: 5,565 points. Launch price was $192.
Core i5-5675R
The Core i5-5675R is manufactured by Intel. It was released in 15 May 2015 (10 years ago). It is based on the Broadwell (2015−2019) architecture. It features 4 cores and 4 threads. Base frequency is 3.1 GHz, with boost up to 3.6 GHz. L3 cache: 4 MB (total). L2 cache: 256K (per core). Built on 14 nm process technology. Socket: BGA1364. Thermal design power (TDP): 65 Watt. Memory support: DDR3L-1333, DDR3L-1600, DDR3L-1866. Passmark benchmark score: 5,564 points. Launch price was $149.
Processing Power
Both the Core i5-6600T and Core i5-5675R share an identical 4-core/4-thread configuration. Boost clocks reach 3.5 GHz on the Core i5-6600T versus 3.6 GHz on the Core i5-5675R — a 2.8% clock advantage for the Core i5-5675R (base: 2.7 GHz vs 3.1 GHz). The Core i5-6600T uses the Skylake (2015−2016) architecture (14 nm), while the Core i5-5675R uses Broadwell (2015−2019) (14 nm). In PassMark, the Core i5-6600T scores 5,565 against the Core i5-5675R's 5,564 — a 0% lead for the Core i5-6600T. Geekbench 6 single-core — the metric most relevant to gaming — records 1,175 vs 1,157, a 1.5% lead for the Core i5-6600T that directly translates to higher frame rates. L3 cache: 6 MB (total) on the Core i5-6600T vs 4 MB (total) on the Core i5-5675R.
| Feature | Core i5-6600T | Core i5-5675R |
|---|---|---|
| Cores / Threads | 4 / 4 | 4 / 4 |
| Boost Clock | 3.5 GHz | 3.6 GHz+3% |
| Base Clock | 2.7 GHz | 3.1 GHz+15% |
| L3 Cache | 6 MB (total)+50% | 4 MB (total) |
| L2 Cache | 256 kB (per core) | 256K (per core) |
| Process | 14 nm | 14 nm |
| Architecture | Skylake (2015−2016) | Broadwell (2015−2019) |
| PassMark | 5,565 | 5,564 |
| Cinebench R23 Multi | 7,083 | — |
| Geekbench 6 Single | 1,175+2% | 1,157 |
| Geekbench 6 Multi | 3,212 | — |
Memory & Platform
The Core i5-6600T uses the LGA1151 socket (PCIe 3.0), while the Core i5-5675R uses BGA1364 (PCIe 3.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR4-2133 on the Core i5-6600T versus DDR3L-1866 on the Core i5-5675R — the Core i5-6600T supports 28.6% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Core i5-6600T supports up to 64 GB of RAM compared to 32 GB — 66.7% more capacity for professional workloads. Both feature 2-channel memory with ECC support. Both provide 16 PCIe lanes. Chipset compatibility: H110,B150,H170,Z170,Q150,Q170,B250,Q250,H270,Z270 (Core i5-6600T) and Z97,H97 (Core i5-5675R).
| Feature | Core i5-6600T | Core i5-5675R |
|---|---|---|
| Socket | LGA1151 | BGA1364 |
| PCIe Generation | PCIe 3.0 | PCIe 3.0 |
| Max RAM Speed | DDR4-2133+33% | DDR3L-1866 |
| Max RAM Capacity | 64 GB+100% | 32 GB |
| RAM Channels | 2 | 2 |
| ECC Support | ❌ | ❌ |
| PCIe Lanes | 16 | 16 |
Advanced Features
Neither processor supports overclocking. Virtualization support: VT-x, VT-d (Core i5-6600T) vs VT-x, VT-d, EPT (Core i5-5675R). Both include integrated graphics — HD Graphics 530 (Core i5-6600T) and Iris Pro Graphics 6200 (Core i5-5675R) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Primary use case: Core i5-6600T targets Office, Core i5-5675R targets All-in-One Desktop. Direct competitor: Core i5-6600T rivals AMD Athlon II X4 640; Core i5-5675R rivals A10-7890K.
| Feature | Core i5-6600T | Core i5-5675R |
|---|---|---|
| Integrated GPU | Yes | Yes |
| IGPU Model | HD Graphics 530 | Iris Pro Graphics 6200 |
| Unlocked | No | No |
| AVX-512 | No | No |
| Virtualization | VT-x, VT-d | VT-x, VT-d, EPT |
| Target Use | Office | All-in-One Desktop |
Value Analysis
The Core i5-6600T launched at $213 MSRP, while the Core i5-5675R debuted at $339. At current prices ($35 vs $392), the Core i5-6600T is $357 cheaper. In terms of value (PassMark points per dollar), the Core i5-6600T delivers 159.0 pts/$ vs 14.2 pts/$ for the Core i5-5675R — making the Core i5-6600T the 167.2% better value option.
| Feature | Core i5-6600T | Core i5-5675R |
|---|---|---|
| MSRP | $213-37% | $339 |
| Avg Price (30d) | $35-91% | $392 |
| Performance per Dollar | 159.0+1020% | 14.2 |
| Release Date | 2015 | 2015 |
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