Quadro K420 vs Radeon HD 7550M/7650M

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 K420 vs Radeon HD 7550M/7650M 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 K420 vs Radeon HD 7550M/7650M: 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 K420

2014

Why buy it

✅51.2% more average FPS across 50 tracked games in our benchmark data.
✅Delivers 100+% more G3D Mark for each dollar spent, at 4.8 vs 0 G3D/$ ($150 MSRP vs Unknown MSRP).
✅More future proof: Kepler (2012−2018) on 28nm with a newer platform for upcoming games.

Trade-offs

❌2014 hardware with 1 GB of VRAM is already well past its comfortable zone for modern gaming, so it is hard to recommend now.
❌170% higher power demand at 108W vs 40W.

Radeon HD 7550M/7650M

2012

Why buy it

✅Draws 40W instead of 108W, a 68W reduction.

Trade-offs

❌Lower average FPS than Quadro K420 across 50 tracked games in our benchmark data.
❌2012 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 4.8 G3D/$ (Unknown MSRP vs $150 MSRP).

Quick Answers

Which GPU is faster for gaming right now?

Quadro K420 is the faster gaming card right now. In our data, it leads by 51.2% in average FPS across 50 tracked games in our benchmark data. PassMark G3D leans toward Radeon HD 7550M/7650M instead at 729 vs 726, 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 K420 is the safer long-term pick for 2026 and beyond. The case is simple: a newer 2014 generation instead of 2012. That makes it the less risky pick as game demands keep moving.

Which GPU is the better buy today?

Quadro K420 makes the most sense today based on the pricing and value data we have for this matchup.

Quadro K420 vs Radeon HD 7550M/7650M Technical Specifications

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

Quadro K420

The Quadro K420 is manufactured by NVIDIA. It was released in July 22 2014. It features the Kepler architecture. The core clock ranges from 771 MHz to 784 MHz. It has 1344 shading units. The thermal design power (TDP) is 108W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 726 points. Launch price was $854.99.

Radeon HD 7550M/7650M

The Radeon HD 7550M/7650M is manufactured by AMD. It was released in April 24 2012. It features the GCN 1.0 architecture. The core clock speed is 675 MHz. It has 640 shading units. The thermal design power (TDP) is 40W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 729 points.

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Graphics Performance

The Quadro K420 scores 726 and the Radeon HD 7550M/7650M reaches 729 in the G3D Mark benchmark — just a 0.4% difference, making them near-identical in rasterization performance. The Quadro K420 is built on Kepler while the Radeon HD 7550M/7650M uses GCN 1.0, both on a 28 nm process. Shader units: 1,344 (Quadro K420) vs 640 (Radeon HD 7550M/7650M). Raw compute: 2.107 TFLOPS (Quadro K420) vs 0.864 TFLOPS (Radeon HD 7550M/7650M).

Feature	Quadro K420	Radeon HD 7550M/7650M
G3D Mark Score	726	729
Architecture	Kepler	GCN 1.0
Process Node	28 nm	28 nm
Shading Units	1344+110%	640
Compute (TFLOPS)	2.107 TFLOPS+144%	0.864 TFLOPS
ROPs	32+100%	16
TMUs	112+180%	40
L1 Cache	112 KB	160 KB+43%
L2 Cache	512 KB+100%	256 KB

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Advanced Features (DLSS/FSR)

Feature	Quadro K420	Radeon HD 7550M/7650M
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)

Both cards ship with 1 GB of video memory. Memory bus width is 64-bit on the Quadro K420 and System on the Radeon HD 7550M/7650M. L2 Cache: 512 KB (Quadro K420) vs 256 KB (Radeon HD 7550M/7650M) — the Quadro K420 has significantly larger on-die cache to reduce VRAM reliance.

Feature	Quadro K420	Radeon HD 7550M/7650M
VRAM Capacity	1 GB	1 GB
Memory Type	GDDR5	Shared
Bus Width	64-bit	System
L2 Cache	512 KB+100%	256 KB

🔌

Power & Dimensions

The Quadro K420 draws 108W versus the Radeon HD 7550M/7650M's 40W — a 91.9% difference. The Radeon HD 7550M/7650M is more power-efficient. Recommended PSU: 350W (Quadro K420) vs 350W (Radeon HD 7550M/7650M). Power connectors: PCIe-powered vs 1x 6-pin.

Feature	Quadro K420	Radeon HD 7550M/7650M
TDP	108W	40W-63%
Recommended PSU	350W	350W
Power Connector	PCIe-powered	1x 6-pin
Perf/Watt	6.7	18.2+172%

💰

Value Analysis

The newer card here is Quadro K420 (2014 vs 2012).

Feature	Quadro K420	Radeon HD 7550M/7650M
MSRP	$150	—
Codename	GK104	Heathrow
Release	July 22 2014	April 24 2012
Ranking	#475	#787

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