Phenom II X6 1055T (95W) vs Xeon D-1520

Phenom II X6 1055T (95W) vs Xeon D-1520 Performance Spectrum

Phenom II X6 1055T (95W)

6 / 6

4,965

+1.0%

Ryzen Threadripper PRO 7965WX

Xeon D-1520

4 / 8

4,917

0.0%

Celeron Dual-Core T1400

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.

Phenom II X6 1055T (95W) vs Xeon D-1520 FPS Benchmarks

Predicted gaming performance across popular games. Tested paired with GeForce RTX 5090 to isolate CPU performance.

Search any supported game below to compare 1080p FPS for both components.

Phenom II X6 1055T (95W) vs Xeon D-1520: Pros, Cons & Final Verdict

See where each CPU makes more sense in practice: gaming, heavier work, platform cost, power draw, and upgrade path.

Phenom II X6 1055T (95W)

2010

Why buy it

✅+1% higher PassMark.
✅+300% larger total L3 cache (6 MB vs 1.5 MB).

Trade-offs

❌Worse for gaming: lower average FPS than Xeon D-1520 across 50 shared CPU benchmark tests.
❌Less compelling for workstation-style loads than Xeon D-1520, which brings 4 cores / 8 threads.
❌111.1% higher power demand at 95W vs 45W.

Xeon D-1520

2015

Why buy it

✅Better for gaming: +20.0% higher average FPS across 50 shared CPU benchmark tests.
✅Better for workstations and heavier parallel workloads: 4 cores / 8 threads.
✅Draws 45W instead of 95W, a 50W reduction.

Trade-offs

❌Lower PassMark (4,917 vs 4,965).
❌Smaller total L3 cache (1.5 MB vs 6 MB).

Quick Answers

So, is Xeon D-1520 better than Phenom II X6 1055T (95W)?

Not really, because they are built for different jobs. Xeon D-1520 makes more sense for workstation-style multi-core throughput, while Phenom II X6 1055T (95W) is the more practical desktop choice for gaming, platform cost, and everyday use.

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

For streaming, content creation, and heavier multitasking, Phenom II X6 1055T (95W) is the stronger fit. You are getting 1% better PassMark, backed by 6 cores and 6 threads. It also has the larger cache pool with 300% larger total L3 cache (6 MB vs 1.5 MB).

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

Xeon D-1520 still makes the most sense overall. Xeon D-1520 comes in at an unclear MSRP at unclear MSRP versus unclear MSRP, and it still gives you a 20.0% average FPS lead across 50 shared CPU game tests in our data.

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

Xeon D-1520 makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2015 vs 2010). That makes it the safer long-term bet.

Phenom II X6 1055T (95W) vs Xeon D-1520 Technical Specifications

Side-by-side specs, architecture details, clocks, memory, power, and platform differences.

Phenom II X6 1055T (95W)

The Phenom II X6 1055T (95W) is manufactured by AMD. It was released in 2009-01-01. It is based on the Thuban (2010) architecture. It features 6 cores and 6 threads. Base frequency is 2.8 GHz, with boost up to 3.3 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: 4,965 points. Launch price was $149.

Xeon D-1520

The Xeon D-1520 is manufactured by Intel. It was released in 9 March 2015 (10 years ago). It is based on the Broadwell (2015−2019) architecture. It features 4 cores and 8 threads. Base frequency is 2.2 GHz, with boost up to 2.6 GHz. L3 cache: 1.5 MB (per core). L2 cache: 256K (per core). Built on 14 nm process technology. Socket: FCBGA1667. Thermal design power (TDP): 45 Watt. Memory support: DDR4. Passmark benchmark score: 4,917 points. Launch price was $199.

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Processing Power

The Phenom II X6 1055T (95W) packs 6 cores / 6 threads, while the Xeon D-1520 offers 4 cores / 8 threads — the Phenom II X6 1055T (95W) has 2 more cores. Boost clocks reach 3.3 GHz on the Phenom II X6 1055T (95W) versus 2.6 GHz on the Xeon D-1520 — a 23.7% clock advantage for the Phenom II X6 1055T (95W) (base: 2.8 GHz vs 2.2 GHz). The Phenom II X6 1055T (95W) uses the Thuban (2010) architecture (45 nm), while the Xeon D-1520 uses Broadwell (2015−2019) (14 nm). In PassMark, the Phenom II X6 1055T (95W) scores 4,965 against the Xeon D-1520's 4,917 — a 1% lead for the Phenom II X6 1055T (95W). L3 cache: 6 MB (total) on the Phenom II X6 1055T (95W) vs 1.5 MB (per core) on the Xeon D-1520.

Feature	Phenom II X6 1055T (95W)	Xeon D-1520
Cores / Threads	6 / 6+50%	4 / 8
Boost Clock	3.3 GHz+27%	2.6 GHz
Base Clock	2.8 GHz+27%	2.2 GHz
L3 Cache	6 MB (total)+300%	1.5 MB (per core)
L2 Cache	512 kB (per core)+100%	256K (per core)
Process	45 nm	14 nm-69%
Architecture	Thuban (2010)	Broadwell (2015−2019)
PassMark	4,965	4,917

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Memory & Platform

The Phenom II X6 1055T (95W) uses the AM3 socket (PCIe 2.0), while the Xeon D-1520 uses FCBGA1667 (PCIe 3.0) — making them incompatible on the same motherboard.