Mobility Radeon HD 3870 X2 vs Mobility Radeon HD 5000 Serisi

G3D Mark is a standard benchmark that measures graphics performance in real-world gaming scenarios. It simplifies comparing cards from different brands, where higher scores directly correlate with better fps and smoother gaming experiences.

Mobility Radeon HD 3870 X2 vs Mobility Radeon HD 5000 Serisi FPS Benchmarks

Predicted gaming performance across popular games. Tested paired with Ryzen 7 9800X3D to isolate GPU performance.

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

Mobility Radeon HD 3870 X2 vs Mobility Radeon HD 5000 Serisi: Pros, Cons & Final Verdict

See where each GPU makes more sense in practice: raw FPS, VRAM, features, power draw, pricing, and long-term headroom.

Mobility Radeon HD 3870 X2

2008

Why buy it

✅Competitive enough if your priority is price, power, or specific feature preference.

Trade-offs

❌Less VRAM, with 2 MB vs 512 MB for high-resolution textures and newer games.
❌2008 hardware with 2 MB of VRAM is already well past its comfortable zone for modern gaming, so it is hard to recommend now.
❌
349% HIGHER MSRP
$449 MSRPvs$100 MSRP
❌Lower G3D Mark per dollar, at 1.1 vs 4.8 G3D/$ ($449 MSRP vs $100 MSRP).
❌120% higher power demand at 110W vs 50W.

Mobility Radeon HD 5000 Serisi

2010

Why buy it

✅Costs $349 less on MSRP ($100 MSRP vs $449 MSRP).
✅Delivers 349.9% more G3D Mark for each dollar spent, at 4.8 vs 1.1 G3D/$ ($100 MSRP vs $449 MSRP).
✅24900% more VRAM for high-resolution textures and newer games (512 MB vs 2 MB).
✅Mobility Radeon HD 3870 X2 is already obsolete for modern gaming, so Mobility Radeon HD 5000 Serisi is the less risky modern option long term.
✅Draws 50W instead of 110W, a 60W reduction.

Trade-offs

❌2010 hardware with 512 MB of VRAM is already well past its comfortable zone for modern gaming, so it is hard to recommend now.

Quick Answers

Which GPU is faster for gaming right now?

Mobility Radeon HD 5000 Serisi is the faster gaming card right now based on the synthetic data we have. It leads by 0.2% in PassMark G3D (479 vs 478), which is the best performance signal available in this matchup.

Which GPU is the safer long-term pick for 2026 and beyond?

Mobility Radeon HD 5000 Serisi is the safer long-term pick for 2026 and beyond. The case is simple: 512 MB vs 2 MB of VRAM, a 40nm process instead of 55nm, and a newer 2010 generation instead of 2008. That gives it more room for heavier textures and higher settings over time.

Which GPU is the better buy today?

Mobility Radeon HD 5000 Serisi makes the most sense to buy today. It is $349 cheaper on MSRP at $100 vs $449, and it leads G3D-per-dollar by 349.9% (4.8 vs 1.1), so the value case lines up with the gaming result.

Mobility Radeon HD 3870 X2 vs Mobility Radeon HD 5000 Serisi Technical Specifications

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

Mobility Radeon HD 3870 X2

The Mobility Radeon HD 3870 X2 is manufactured by AMD. It was released in September 1 2008. It features the TeraScale architecture. The core clock speed is 660 MHz. It has 320 ×2 shading units. The thermal design power (TDP) is 110W. Manufactured using 55 nm process technology. G3D Mark benchmark score: 478 points.

Mobility Radeon HD 5000 Serisi

The Mobility Radeon HD 5000 Serisi is manufactured by AMD. It was released in January 7 2010. It features the TeraScale 2 architecture. The core clock speed is 700 MHz. It has 800 shading units. The thermal design power (TDP) is 50W. Manufactured using 40 nm process technology. G3D Mark benchmark score: 479 points.

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Graphics Performance

The Mobility Radeon HD 3870 X2 scores 478 and the Mobility Radeon HD 5000 Serisi reaches 479 in the G3D Mark benchmark — just a 0.2% difference, making them near-identical in rasterization performance. The Mobility Radeon HD 3870 X2 is built on TeraScale while the Mobility Radeon HD 5000 Serisi uses TeraScale 2, both on 55 nm vs 40 nm. Shader units: 320 (Mobility Radeon HD 3870 X2) vs 800 (Mobility Radeon HD 5000 Serisi). Raw compute: 0.4224 TFLOPS ×2 (Mobility Radeon HD 3870 X2) vs 1.12 TFLOPS (Mobility Radeon HD 5000 Serisi).

Feature	Mobility Radeon HD 3870 X2	Mobility Radeon HD 5000 Serisi
G3D Mark Score	478	479
Architecture	TeraScale	TeraScale 2
Process Node	55 nm	40 nm
Shading Units	320 ×2	800+150%
Compute (TFLOPS)	0.4224 TFLOPS ×2	1.12 TFLOPS+165%
ROPs	16 ×2	16
TMUs	16 ×2	40+150%
L2 Cache	256 KB	256 KB
Frame Generation	FSR upscaling	FSR upscaling

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Advanced Features (DLSS/FSR)

Feature	Mobility Radeon HD 3870 X2	Mobility Radeon HD 5000 Serisi
Upscaling Tech	FSR Upscaling / FSR 4	FSR Upscaling / FSR 4
Frame Generation	Not Supported	Not Supported
Ray Reconstruction	No	No
Low Latency	AMD Anti-Lag	AMD Anti-Lag

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Video Memory (VRAM)

The Mobility Radeon HD 3870 X2 has 2 MB of VRAM, while the Mobility Radeon HD 5000 Serisi carries 512 MB. Mobility Radeon HD 5000 Serisi gives you 24900% more memory capacity, which matters more once you move into heavier textures, mods, or higher resolutions. Memory bus width is 64-bit on the Mobility Radeon HD 3870 X2 and 128-bit on the Mobility Radeon HD 5000 Serisi.

Feature	Mobility Radeon HD 3870 X2	Mobility Radeon HD 5000 Serisi
VRAM Capacity	0.002 GB	0.5 GB+24900%
Memory Type	GDDR5	GDDR5
Memory Bandwidth	Unknown	Unknown
Bus Width	64-bit	128-bit+100%
L2 Cache	256 KB	256 KB

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Power & Dimensions

The Mobility Radeon HD 3870 X2 draws 110W versus the Mobility Radeon HD 5000 Serisi's 50W — a 75% difference. The Mobility Radeon HD 5000 Serisi is more power-efficient. Recommended PSU: 350W (Mobility Radeon HD 3870 X2) vs 350W (Mobility Radeon HD 5000 Serisi). Power connectors: PCIe-powered vs PCIe-powered.

Feature	Mobility Radeon HD 3870 X2	Mobility Radeon HD 5000 Serisi
TDP	110W	50W-55%
Recommended PSU	350W	350W
Power Connector	PCIe-powered	PCIe-powered
Length	1mm	—
Slots	0	—
Perf/Watt	4.3	9.6+123%

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Value Analysis

At launch, the Mobility Radeon HD 3870 X2 came in at $449, while the Mobility Radeon HD 5000 Serisi launched at $100. On MSRP, Mobility Radeon HD 5000 Serisi was 77.7% cheaper ($349 less). Performance per dollar on MSRP (G3D Mark / MSRP): 1.1 (Mobility Radeon HD 3870 X2) vs 4.8 (Mobility Radeon HD 5000 Serisi) — the Mobility Radeon HD 5000 Serisi offers 336.4% better value. The newer card here is Mobility Radeon HD 5000 Serisi (2010 vs 2008).

Feature	Mobility Radeon HD 3870 X2	Mobility Radeon HD 5000 Serisi
MSRP	$449	$100-78%
Performance per Dollar	1.1	4.8+336%
Codename	M88	Broadway
Release	September 1 2008	January 7 2010
Ranking	#919	#846

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