Core i7-6500U vs Phenom II X6 1045T

Intel

Core i7-6500U

2 Cores4 Thrd15 WWMax: 3.1 GHz2015

Popular choices:

VS
AMD

Phenom II X6 1045T

6 Cores6 Thrd95 WWMax: 3.2 GHz2010

Popular choices:

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.

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 i7-6500U

2015

Why buy it

  • +0.8% higher PassMark.
  • Draws 15W instead of 95W, a 80W reduction.

Trade-offs

  • Worse for gaming: lower average FPS than Phenom II X6 1045T across 4 shared CPU benchmark tests.
  • Smaller total L3 cache (4 MB vs 6 MB).

Phenom II X6 1045T

2010

Why buy it

  • Better for gaming: +4.5% higher average FPS across 4 shared CPU benchmark tests.
  • +50% larger total L3 cache (6 MB vs 4 MB).

Trade-offs

  • Lower PassMark (3,244 vs 3,271).
  • 533.3% higher power demand at 95W vs 15W.

Quick Answers

So, is Core i7-6500U better than Phenom II X6 1045T?
It depends on what matters more to you. For gaming, Phenom II X6 1045T is ahead with a 4.5% average FPS lead across 4 shared CPU game tests in our data. For rendering, compiling, streaming, and heavier multitasking, Core i7-6500U pulls ahead with 0.8% better PassMark. Phenom II X6 1045T also has the bigger cache pool with 50% larger total L3 cache (6 MB vs 4 MB).
Which one is better for streaming, content creation, and heavy multitasking?
For streaming, content creation, and heavier multitasking, Core i7-6500U is the better fit. You are getting 0.8% better PassMark, backed by 2 cores and 4 threads.
Which one is the smarter buy today, not just the cheaper CPU?
Core i7-6500U still looks like the safer overall buy. Core i7-6500U is at an unclear MSRP at unclear MSRP versus unclear MSRP, and it gives you 0.8% better PassMark.
Which one is more future-proof for 2026 and beyond?
Core i7-6500U is the more future-proof choice for 2026 and beyond. You are getting a newer CPU generation (2015 vs 2010) and more multi-core headroom with 2 cores / 4 threads instead of 6/6. That extra compute headroom should age better as games, background tasks, and creator workloads get heavier.

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.

Path of Exile 2

Path of Exile 2

PresetCore i7-6500UPhenom II X6 1045T
1080p
low82 FPS81 FPS
medium82 FPS81 FPS
high82 FPS81 FPS
ultra80 FPS81 FPS
1440p
low82 FPS81 FPS
medium82 FPS81 FPS
high82 FPS81 FPS
ultra64 FPS70 FPS
4K
low67 FPS61 FPS
medium55 FPS55 FPS
high42 FPS43 FPS
ultra33 FPS34 FPS
Counter-Strike 2

Counter-Strike 2

PresetCore i7-6500UPhenom II X6 1045T
1080p
low82 FPS81 FPS
medium82 FPS81 FPS
high82 FPS81 FPS
ultra66 FPS81 FPS
1440p
low82 FPS81 FPS
medium81 FPS81 FPS
high74 FPS81 FPS
ultra57 FPS81 FPS
4K
low67 FPS81 FPS
medium58 FPS81 FPS
high41 FPS81 FPS
ultra28 FPS72 FPS
League of Legends

League of Legends

PresetCore i7-6500UPhenom II X6 1045T
1080p
low82 FPS81 FPS
medium82 FPS81 FPS
high82 FPS81 FPS
ultra82 FPS81 FPS
1440p
low82 FPS81 FPS
medium82 FPS81 FPS
high82 FPS81 FPS
ultra82 FPS81 FPS
4K
low82 FPS81 FPS
medium82 FPS81 FPS
high82 FPS81 FPS
ultra82 FPS81 FPS
Valorant

Valorant

PresetCore i7-6500UPhenom II X6 1045T
1080p
low82 FPS81 FPS
medium82 FPS81 FPS
high82 FPS81 FPS
ultra82 FPS81 FPS
1440p
low82 FPS81 FPS
medium82 FPS81 FPS
high82 FPS81 FPS
ultra82 FPS81 FPS
4K
low82 FPS81 FPS
medium82 FPS81 FPS
high82 FPS81 FPS
ultra82 FPS81 FPS

Technical Specifications

Side-by-side comparison of Core i7-6500U and Phenom II X6 1045T

Intel

Core i7-6500U

The Core i7-6500U is manufactured by Intel. It was released in 1 September 2015 (10 years ago). It is based on the Skylake (2015−2016) architecture. It features 2 cores and 4 threads. Base frequency is 2.5 GHz, with boost up to 3.1 GHz. L3 cache: 4 MB. L2 cache: 512 kB. Built on 14 nm process technology. Socket: BGA1356. Thermal design power (TDP): 15 Watt. Memory support: DDR3, DDR4. Passmark benchmark score: 3,271 points. Launch price was $393.

AMD

Phenom II X6 1045T

The Phenom II X6 1045T is manufactured by AMD. It was released in 1 September 2010 (15 years ago). It is based on the Thuban (2010) architecture. It features 6 cores and 6 threads. Base frequency is 2.7 GHz, with boost up to 3.2 GHz. L3 cache: 6 MB (total). L2 cache: 512 kB (per core). Built on 45 nm process technology. Socket: AM3. Thermal design power (TDP): 95 Watt. Memory support: DDR3. Passmark benchmark score: 3,244 points. Launch price was $175.

Processing Power

The Core i7-6500U packs 2 cores / 4 threads, while the Phenom II X6 1045T offers 6 cores / 6 threads — the Phenom II X6 1045T has 4 more cores. Boost clocks reach 3.1 GHz on the Core i7-6500U versus 3.2 GHz on the Phenom II X6 1045T — a 3.2% clock advantage for the Phenom II X6 1045T (base: 2.5 GHz vs 2.7 GHz). The Core i7-6500U uses the Skylake (2015−2016) architecture (14 nm), while the Phenom II X6 1045T uses Thuban (2010) (45 nm). In PassMark, the Core i7-6500U scores 3,271 against the Phenom II X6 1045T's 3,244 — a 0.8% lead for the Core i7-6500U. L3 cache: 4 MB on the Core i7-6500U vs 6 MB (total) on the Phenom II X6 1045T.

FeatureCore i7-6500UPhenom II X6 1045T
Cores / Threads
2 / 4
6 / 6+200%
Boost Clock
3.1 GHz
3.2 GHz+3%
Base Clock
2.5 GHz
2.7 GHz+8%
L3 Cache
4 MB
6 MB (total)+50%
L2 Cache
512 kB
512 kB (per core)
Process
14 nm-69%
45 nm
Architecture
Skylake (2015−2016)
Thuban (2010)
PassMark
3,271
3,244
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Memory & Platform

The Core i7-6500U uses the BGA1356 socket (PCIe 3.0), while the Phenom II X6 1045T uses AM3 (PCIe 2.0) — making them incompatible on the same motherboard.

FeatureCore i7-6500UPhenom II X6 1045T
Socket
BGA1356
AM3
PCIe Generation
PCIe 3.0+50%
PCIe 2.0