GRID K120Q vs Radeon HD 7420G

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.

GRID K120Q vs Radeon HD 7420G 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.

GRID K120Q vs Radeon HD 7420G: Pros, Cons & Final Verdict

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

GRID K120Q

2013

Why buy it

✅Draws 225W instead of 375W, a 150W reduction.

Trade-offs

❌2013 hardware with 512 MB of VRAM is already well past its comfortable zone for modern gaming, so it is hard to recommend now.
❌
212.5% HIGHER MSRP
$125 MSRPvs$40 MSRP
❌Lower G3D Mark per dollar, at 2.3 vs 7.9 G3D/$ ($125 MSRP vs $40 MSRP).

Radeon HD 7420G

2013

Why buy it

✅Costs $85 less on MSRP ($40 MSRP vs $125 MSRP).
✅Delivers 237% more G3D Mark for each dollar spent, at 7.9 vs 2.3 G3D/$ ($40 MSRP vs $125 MSRP).

Trade-offs

❌2013 hardware with 512 MB of VRAM is already well past its comfortable zone for modern gaming, so it is hard to recommend now.
❌66.7% higher power demand at 375W vs 225W.

Quick Answers

Which GPU is faster for gaming right now?

Radeon HD 7420G is the faster gaming card right now based on the synthetic data we have. It leads by 7.8% in PassMark G3D (316 vs 293), which is the best performance signal available in this matchup.

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

GRID K120Q is the safer long-term pick for 2026 and beyond because it comes out ahead on the available hardware-headroom signals for this matchup.

Which GPU is the better buy today?

Radeon HD 7420G makes the most sense to buy today. It is $85 cheaper on MSRP at $40 vs $125, and it leads G3D-per-dollar by 237% (7.9 vs 2.3), so the value case lines up with the gaming result. If you are mainly targeting 1080p and some 1440p, Radeon HD 7420G is the easier value choice. If you care more about 1080p and some 1440p headroom, GRID K120Q has the stronger long-term case.

GRID K120Q vs Radeon HD 7420G Technical Specifications

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

GRID K120Q

The GRID K120Q is manufactured by NVIDIA. It was released in June 28 2013. It features the Kepler architecture. The core clock speed is 745 MHz. It has 1536 shading units. The thermal design power (TDP) is 225W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 293 points. Launch price was $937.

Radeon HD 7420G

The Radeon HD 7420G is manufactured by AMD. It was released in April 24 2013. It features the GCN 1.0 architecture. The core clock ranges from 950 MHz to 1000 MHz. It has 2048 ×2 shading units. The thermal design power (TDP) is 375W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 316 points. Launch price was $999.

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Graphics Performance

In G3D Mark, the GRID K120Q scores 293 versus the Radeon HD 7420G's 316 — the Radeon HD 7420G leads by 7.8%. The GRID K120Q is built on Kepler while the Radeon HD 7420G uses GCN 1.0, both on a 28 nm process. Shader units: 1,536 (GRID K120Q) vs 2,048 (Radeon HD 7420G). Raw compute: 2.289 TFLOPS (GRID K120Q) vs 4.096 TFLOPS ×2 (Radeon HD 7420G).

Feature	GRID K120Q	Radeon HD 7420G
G3D Mark Score	293	316+8%
Architecture	Kepler	GCN 1.0
Process Node	28 nm	28 nm
Shading Units	1536	2048 ×2+33%
Compute (TFLOPS)	2.289 TFLOPS	4.096 TFLOPS ×2+79%
ROPs	32	32 ×2
TMUs	128	128 ×2
L1 Cache	128 KB	512 KB+300%
L2 Cache	512 KB	768 KB+50%

✨

Advanced Features (DLSS/FSR)

Feature	GRID K120Q	Radeon HD 7420G
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 512 MB of GDDR5. Memory bus width is 64-bit on the GRID K120Q and 128-bit on the Radeon HD 7420G. L2 Cache: 512 KB (GRID K120Q) vs 768 KB (Radeon HD 7420G) — the Radeon HD 7420G has significantly larger on-die cache to reduce VRAM reliance.

Feature	GRID K120Q	Radeon HD 7420G
VRAM Capacity	0.5 GB	0.5 GB
Memory Type	GDDR5	GDDR5
Bus Width	64-bit	128-bit+100%
L2 Cache	512 KB	768 KB+50%

🔌

Power & Dimensions

The GRID K120Q draws 225W versus the Radeon HD 7420G's 375W — a 50% difference. The GRID K120Q is more power-efficient. Recommended PSU: 350W (GRID K120Q) vs 350W (Radeon HD 7420G). Power connectors: PCIe-powered vs 1x 6-pin.

Feature	GRID K120Q	Radeon HD 7420G
TDP	225W-40%	375W
Recommended PSU	350W	350W
Power Connector	PCIe-powered	1x 6-pin
Slots	0	—
Perf/Watt	1.3+63%	0.8

💰

Value Analysis

At launch, the GRID K120Q came in at $125, while the Radeon HD 7420G launched at $40. On MSRP, Radeon HD 7420G was 68% cheaper ($85 less). Performance per dollar on MSRP (G3D Mark / MSRP): 2.3 (GRID K120Q) vs 7.9 (Radeon HD 7420G) — the Radeon HD 7420G offers 243.5% better value.

Feature	GRID K120Q	Radeon HD 7420G
MSRP	$125	$40-68%
Performance per Dollar	2.3	7.9+243%
Codename	GK104	Malta
Release	June 28 2013	April 24 2013
Ranking	#589	#412

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