Mobility Radeon HD 3870 X2 vs Quadro FX 1800M

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 Quadro FX 1800M 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 Quadro FX 1800M: 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

✅Delivers 100+% more G3D Mark for each dollar spent, at 1.1 vs 0 G3D/$ ($449 MSRP vs Unknown MSRP).
✅Draws 110W instead of 189W, a 79W reduction.

Trade-offs

❌Less VRAM, with 2 MB vs 1 GB 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.

Quadro FX 1800M

2008

Why buy it

✅49900% more VRAM for high-resolution textures and newer games (1 GB vs 2 MB).
✅Mobility Radeon HD 3870 X2 is already obsolete for modern gaming, so Quadro FX 1800M is the less risky modern option long term.
✅More future proof: Tesla 2.0 (2007−2013) on 55nm with a newer platform for upcoming games.

Trade-offs

❌2008 hardware with 1 GB of VRAM is already well past its comfortable zone for modern gaming, so it is hard to recommend now.
❌Lower G3D Mark per dollar, at 0 vs 1.1 G3D/$ (Unknown MSRP vs $449 MSRP).
❌71.8% higher power demand at 189W vs 110W.

Quick Answers

Which GPU is faster for gaming right now?

Quadro FX 1800M is the faster gaming card right now based on the synthetic data we have. It leads by 1.7% in PassMark G3D (486 vs 478), which is the best performance signal available in this matchup.

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

Quadro FX 1800M is the safer long-term pick for 2026 and beyond. The case is simple: 1 GB vs 2 MB of VRAM. That gives it more room for heavier textures and higher settings over time.

Which GPU is the better buy today?

Mobility Radeon HD 3870 X2 makes the most sense today based on the pricing and value data we have for this matchup. If you are mainly targeting 1080p, Mobility Radeon HD 3870 X2 is the easier value choice. If you care more about 1080p and some 1440p headroom, Quadro FX 1800M has the stronger long-term case.

Mobility Radeon HD 3870 X2 vs Quadro FX 1800M 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.

Quadro FX 1800M

The Quadro FX 1800M is manufactured by NVIDIA. It was released in November 11 2008. It features the Tesla 2.0 architecture. The core clock speed is 610 MHz. It has 240 shading units. The thermal design power (TDP) is 189W. Manufactured using 55 nm process technology. G3D Mark benchmark score: 486 points. Launch price was $3,499.

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Graphics Performance

The Mobility Radeon HD 3870 X2 scores 478 and the Quadro FX 1800M reaches 486 in the G3D Mark benchmark — just a 1.7% difference, making them near-identical in rasterization performance. The Mobility Radeon HD 3870 X2 is built on TeraScale while the Quadro FX 1800M uses Tesla 2.0, both on a 55 nm process. Shader units: 320 (Mobility Radeon HD 3870 X2) vs 240 (Quadro FX 1800M). Raw compute: 0.4224 TFLOPS ×2 (Mobility Radeon HD 3870 X2) vs 0.6221 TFLOPS (Quadro FX 1800M).

Feature	Mobility Radeon HD 3870 X2	Quadro FX 1800M
G3D Mark Score	478	486+2%
Architecture	TeraScale	Tesla 2.0
Process Node	55 nm	55 nm
Shading Units	320 ×2+33%	240
Compute (TFLOPS)	0.4224 TFLOPS ×2	0.6221 TFLOPS+47%
ROPs	16 ×2	32+100%
TMUs	16 ×2	80+400%
L2 Cache	256 KB	256 KB

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Advanced Features (DLSS/FSR)

Feature	Mobility Radeon HD 3870 X2	Quadro FX 1800M
Upscaling Tech	FSR Upscaling / FSR 4	Upscaling support
Frame Generation	Not Supported	Not Supported
Ray Reconstruction	No	No
Low Latency	AMD Anti-Lag	Standard

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Video Memory (VRAM)

The Mobility Radeon HD 3870 X2 has 2 MB of VRAM, while the Quadro FX 1800M carries 1 GB. Quadro FX 1800M gives you 49900% 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 64-bit on the Quadro FX 1800M.

Feature	Mobility Radeon HD 3870 X2	Quadro FX 1800M
VRAM Capacity	0.002 GB	1 GB+49900%
Memory Type	GDDR5	GDDR5
Bus Width	64-bit	64-bit
L2 Cache	256 KB	256 KB

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Display & API Support

DirectX support: 10.1 (Mobility Radeon HD 3870 X2) vs 11.1 (10_1) (Quadro FX 1800M). Maximum simultaneous displays: 0 vs 2.

Feature	Mobility Radeon HD 3870 X2	Quadro FX 1800M
DirectX	10.1	11.1 (10_1)+10%
Max Displays	0	2

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Media & Encoding

Hardware encoder: UVD (Mobility Radeon HD 3870 X2) vs None (Quadro FX 1800M). Decoder: UVD vs PureVideo HD (VP4).

Feature	Mobility Radeon HD 3870 X2	Quadro FX 1800M
Encoder	UVD	None
Decoder	UVD	PureVideo HD (VP4)
Codecs	—	H.264,VC-1,MPEG-2

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Power & Dimensions

The Mobility Radeon HD 3870 X2 draws 110W versus the Quadro FX 1800M's 189W — a 52.8% difference. The Mobility Radeon HD 3870 X2 is more power-efficient. Recommended PSU: 350W (Mobility Radeon HD 3870 X2) vs 350W (Quadro FX 1800M). Power connectors: PCIe-powered vs PCIe-powered. Card length: 1mm vs 0mm, occupying 0 vs 0 slots.