GeForce GT 620 vs Radeon HD 6550D

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.

GeForce GT 620 vs Radeon HD 6550D 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.

GeForce GT 620 vs Radeon HD 6550D: Pros, Cons & Final Verdict

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

GeForce GT 620

2012

Why buy it

✅Costs $11 less on MSRP ($59 MSRP vs $70 MSRP).
✅Delivers 15.1% more G3D Mark for each dollar spent, at 6.6 vs 5.7 G3D/$ ($59 MSRP vs $70 MSRP).
✅Draws 65W instead of 200W, a 135W reduction.

Trade-offs

❌Lower average FPS than Radeon HD 6550D across 50 tracked games in our benchmark data.
❌2012 hardware with 512 MB of VRAM is already well past its comfortable zone for modern gaming, so it is hard to recommend now.

Radeon HD 6550D

2010

Why buy it

✅57.0% more average FPS across 50 tracked games in our benchmark data.

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.
❌
18.6% HIGHER MSRP
$70 MSRPvs$59 MSRP
❌Lower G3D Mark per dollar, at 5.7 vs 6.6 G3D/$ ($70 MSRP vs $59 MSRP).
❌207.7% higher power demand at 200W vs 65W.

Quick Answers

Which GPU is faster for gaming right now?

Radeon HD 6550D is the faster gaming card right now. In our data, it leads by 57.0% in average FPS across 50 tracked games in our benchmark data and by 3.1% in PassMark G3D (400 vs 388), so the answer here is pretty clean.

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

GeForce GT 620 is the safer long-term pick for 2026 and beyond. The case is simple: a 28nm process instead of 40nm and a newer 2012 generation instead of 2010. That makes it the less risky pick as game demands keep moving.

Which GPU is the better buy today?

GeForce GT 620 makes the most sense to buy today. It is $11 cheaper on MSRP at $59 vs $70, and it leads G3D-per-dollar by 15.1% (6.6 vs 5.7), which is enough to swing the recommendation its way. Radeon HD 6550D still makes more sense if max raw gaming performance matters more than value.

GeForce GT 620 vs Radeon HD 6550D Technical Specifications

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

GeForce GT 620

The GeForce GT 620 is manufactured by NVIDIA. It was released in June 5 2012. It features the Kepler architecture. The core clock speed is 902 MHz. It has 384 shading units. The thermal design power (TDP) is 65W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 388 points. Launch price was $99.

Radeon HD 6550D

The Radeon HD 6550D is manufactured by AMD. It was released in December 14 2010. It features the TeraScale 3 architecture. The boost clock speed is 800 MHz. It has 1408 shading units. The thermal design power (TDP) is 200W. Manufactured using 40 nm process technology. G3D Mark benchmark score: 400 points. Launch price was $299.

⚡

Graphics Performance

The GeForce GT 620 scores 388 and the Radeon HD 6550D reaches 400 in the G3D Mark benchmark — just a 3.1% difference, making them near-identical in rasterization performance. The GeForce GT 620 is built on Kepler while the Radeon HD 6550D uses TeraScale 3, both on 28 nm vs 40 nm. Shader units: 384 (GeForce GT 620) vs 1,408 (Radeon HD 6550D). Raw compute: 0.6927 TFLOPS (GeForce GT 620) vs 2.253 TFLOPS (Radeon HD 6550D).

Feature	GeForce GT 620	Radeon HD 6550D
G3D Mark Score	388	400+3%
Architecture	Kepler	TeraScale 3
Process Node	28 nm	40 nm
Shading Units	384	1408+267%
Compute (TFLOPS)	0.6927 TFLOPS	2.253 TFLOPS+225%
ROPs	16	32+100%
TMUs	32	88+175%
L1 Cache	32 KB	352 KB+1000%
L2 Cache	256 KB	512 KB+100%

✨

Advanced Features (DLSS/FSR)

The GeForce GT 620 gets NVIDIA DLSS, which still tends to look cleaner in motion. The Radeon HD 6550D leans on FSR, which is flexible and widely supported, but usually a bit rougher at the same settings.

Feature	GeForce GT 620	Radeon HD 6550D
Upscaling Tech	Upscaling support	FSR Upscaling / FSR 4
Frame Generation	Not Supported	Not Supported
Ray Reconstruction	No	No
Low Latency	NVIDIA Reflex	AMD Anti-Lag

💾

Video Memory (VRAM)

Both cards ship with 512 MB of GDDR5. Memory bus width is 128-bit on the GeForce GT 620 and 128-bit on the Radeon HD 6550D. L2 Cache: 256 KB (GeForce GT 620) vs 512 KB (Radeon HD 6550D) — the Radeon HD 6550D has significantly larger on-die cache to reduce VRAM reliance.

Feature	GeForce GT 620	Radeon HD 6550D
VRAM Capacity	0.5 GB	0.5 GB
Memory Type	GDDR5	GDDR5
Memory Bandwidth	Unknown	Unknown
Bus Width	128-bit	128-bit
L2 Cache	256 KB	512 KB+100%

🔌

Power & Dimensions

The GeForce GT 620 draws 65W versus the Radeon HD 6550D's 200W — a 101.9% difference. The GeForce GT 620 is more power-efficient. Recommended PSU: 250W (GeForce GT 620) vs 350W (Radeon HD 6550D). Power connectors: None vs 1x 6-pin.

Feature	GeForce GT 620	Radeon HD 6550D
TDP	65W-68%	200W
Recommended PSU	250W-29%	350W
Power Connector	None	1x 6-pin
Length	145mm	—
Height	111mm	—
Slots	1	—
Temp (Load)	70°C	—
Perf/Watt	6.0+200%	2.0

💰

Value Analysis

At launch, the GeForce GT 620 came in at $59, while the Radeon HD 6550D launched at $70. On MSRP, GeForce GT 620 was 15.7% cheaper ($11 less). Performance per dollar on MSRP (G3D Mark / MSRP): 6.6 (GeForce GT 620) vs 5.7 (Radeon HD 6550D) — the GeForce GT 620 offers 15.8% better value. The newer card here is GeForce GT 620 (2012 vs 2010).

Feature	GeForce GT 620	Radeon HD 6550D
MSRP	$59-16%	$70
Performance per Dollar	6.6+16%	5.7
Codename	GK107	Cayman
Release	June 5 2012	December 14 2010
Ranking	#837	#623

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