Quadro FX 1800M vs Radeon R5 M420

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.

Quadro FX 1800M vs Radeon R5 M420 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.

Quadro FX 1800M vs Radeon R5 M420: Pros, Cons & Final Verdict

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

Quadro FX 1800M

2008

Why buy it

✅18.4% more average FPS across 50 tracked games in our benchmark data.
✅100% more VRAM for high-resolution textures and newer games (1 GB vs 512 MB).

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 1.7 G3D/$ (Unknown MSRP vs $300 MSRP).
❌152% higher power demand at 189W vs 75W.

Radeon R5 M420

2016

Why buy it

✅Delivers 100+% more G3D Mark for each dollar spent, at 1.7 vs 0 G3D/$ ($300 MSRP vs Unknown MSRP).
✅Draws 75W instead of 189W, a 114W reduction.
✅More future proof: GCN 2.0 (2013−2017) on 28nm with a newer platform for upcoming games.

Trade-offs

❌Lower average FPS than Quadro FX 1800M across 50 tracked games in our benchmark data.
❌Less VRAM, with 512 MB vs 1 GB for high-resolution textures and newer games.
❌2016 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?

Quadro FX 1800M is the faster gaming card right now. In our data, it leads by 18.4% in average FPS across 50 tracked games in our benchmark data. PassMark G3D leans toward Radeon R5 M420 instead at 504 vs 486, so for this question the real-game FPS result matters more than the synthetic split.

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 512 MB of VRAM. That gives it more room for heavier textures and higher settings over time.

Which GPU is the better buy today?

Radeon R5 M420 makes the most sense today based on the pricing and value data we have for this matchup. If you are mainly targeting 1080p and some 1440p, Radeon R5 M420 is the easier value choice. If you care more about 1080p and some 1440p headroom, Quadro FX 1800M has the stronger long-term case.

Quadro FX 1800M vs Radeon R5 M420 Technical Specifications

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

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.

Radeon R5 M420

The Radeon R5 M420 is manufactured by AMD. It was released in May 15 2016. It features the GCN 2.0 architecture. The core clock ranges from 900 MHz to 1000 MHz. It has 768 shading units. The thermal design power (TDP) is 75W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 504 points.

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Graphics Performance

The Quadro FX 1800M scores 486 and the Radeon R5 M420 reaches 504 in the G3D Mark benchmark — just a 3.7% difference, making them near-identical in rasterization performance. The Quadro FX 1800M is built on Tesla 2.0 while the Radeon R5 M420 uses GCN 2.0, both on 55 nm vs 28 nm. Shader units: 240 (Quadro FX 1800M) vs 768 (Radeon R5 M420). Raw compute: 0.6221 TFLOPS (Quadro FX 1800M) vs 1.536 TFLOPS (Radeon R5 M420).

Feature	Quadro FX 1800M	Radeon R5 M420
G3D Mark Score	486	504+4%
Architecture	Tesla 2.0	GCN 2.0
Process Node	55 nm	28 nm
Shading Units	240	768+220%
Compute (TFLOPS)	0.6221 TFLOPS	1.536 TFLOPS+147%
ROPs	32+100%	16
TMUs	80+67%	48
L2 Cache	256 KB	256 KB

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Advanced Features (DLSS/FSR)

Feature	Quadro FX 1800M	Radeon R5 M420
Upscaling Tech	Upscaling support	FSR Upscaling / FSR 4
Frame Generation	Not Supported	Not Supported
Ray Reconstruction	No	No
Low Latency	Standard	AMD Anti-Lag

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Video Memory (VRAM)

The Quadro FX 1800M has 1 GB of VRAM, while the Radeon R5 M420 carries 512 MB. Quadro FX 1800M gives you 100% more memory capacity, which matters more once you move into heavier textures, mods, or higher resolutions. Memory bus width is 64-bit on the Quadro FX 1800M and 128-bit on the Radeon R5 M420.

Feature	Quadro FX 1800M	Radeon R5 M420
VRAM Capacity	1 GB+100%	0.5 GB
Memory Type	GDDR5	GDDR5
Bus Width	64-bit	128-bit+100%
L2 Cache	256 KB	256 KB

🖥️

Display & API Support

DirectX support: 11.1 (10_1) (Quadro FX 1800M) vs 12 (11_1) (Radeon R5 M420). Vulkan: N/A vs N/A. OpenGL: 3.3 vs 4.6. Maximum simultaneous displays: 2 vs 2.

Feature	Quadro FX 1800M	Radeon R5 M420
DirectX	11.1 (10_1)	12 (11_1)+8%
Vulkan	N/A	N/A
OpenGL	3.3	4.6+39%
Max Displays	2	2

🎬

Media & Encoding

Hardware encoder: None (Quadro FX 1800M) vs VCE 1.0 (Radeon R5 M420). Decoder: PureVideo HD (VP4) vs UVD 4.0. Supported codecs: H.264,VC-1,MPEG-2 (Quadro FX 1800M) vs H.264,MPEG-4,VC-1,MPEG-2 (Radeon R5 M420).

Feature	Quadro FX 1800M	Radeon R5 M420
Encoder	None	VCE 1.0
Decoder	PureVideo HD (VP4)	UVD 4.0
Codecs	H.264,VC-1,MPEG-2	H.264,MPEG-4,VC-1,MPEG-2

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Power & Dimensions

The Quadro FX 1800M draws 189W versus the Radeon R5 M420's 75W — a 86.4% difference. The Radeon R5 M420 is more power-efficient. Recommended PSU: 350W (Quadro FX 1800M) vs 350W (Radeon R5 M420). Power connectors: PCIe-powered vs Mobile. Card length: 0mm vs 0mm, occupying 0 vs 0 slots. Typical load temperature: 85 vs 80.

Feature	Quadro FX 1800M	Radeon R5 M420
TDP	189W	75W-60%
Recommended PSU	350W	350W
Power Connector	PCIe-powered	Mobile
Length	0mm	0mm
Height	0mm	0mm
Slots	0	0
Temp (Load)	85	80-6%
Perf/Watt	2.6	6.7+158%

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Value Analysis

The newer card here is Radeon R5 M420 (2016 vs 2008).

Feature	Quadro FX 1800M	Radeon R5 M420
MSRP	—	$300
Codename	GT200B	Emerald
Release	November 11 2008	May 15 2016
Ranking	#815	#649

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