Radeon HD 6620G vs Radeon HD 7580D

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.

Radeon HD 6620G vs Radeon HD 7580D 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.

Radeon HD 6620G vs Radeon HD 7580D: Pros, Cons & Final Verdict

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

Radeon HD 6620G

2011

Why buy it

✅Costs $10 less on MSRP ($50 MSRP vs $60 MSRP).
✅Delivers 16.6% more G3D Mark for each dollar spent, at 6.8 vs 5.8 G3D/$ ($50 MSRP vs $60 MSRP).
✅Draws 45W instead of 200W, a 155W reduction.

Trade-offs

❌Lower average FPS than Radeon HD 7580D across 50 tracked games in our benchmark data.
❌2011 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 7580D

2012

Why buy it

✅52.7% more average FPS across 50 tracked games in our benchmark data.
✅More future proof: GCN 1.0 (2012−2020) on 28nm with a newer platform for upcoming games.

Trade-offs

❌2012 hardware with 512 MB of VRAM is already well past its comfortable zone for modern gaming, so it is hard to recommend now.
❌
20% HIGHER MSRP
$60 MSRPvs$50 MSRP
❌Lower G3D Mark per dollar, at 5.8 vs 6.8 G3D/$ ($60 MSRP vs $50 MSRP).
❌344.4% higher power demand at 200W vs 45W.

Quick Answers

Which GPU is faster for gaming right now?

Radeon HD 7580D is the faster gaming card right now. In our data, it leads by 52.7% in average FPS across 50 tracked games in our benchmark data and by 2.9% in PassMark G3D (351 vs 341), so the answer here is pretty clean.

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

Radeon HD 6620G 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 6620G makes the most sense to buy today. It is $10 cheaper on MSRP at $50 vs $60, and it leads G3D-per-dollar by 16.6% (6.8 vs 5.8), which is enough to swing the recommendation its way. Radeon HD 7580D still makes more sense if max raw gaming performance matters more than value.

Radeon HD 6620G vs Radeon HD 7580D Technical Specifications

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

Radeon HD 6620G

The Radeon HD 6620G is manufactured by AMD. It was released in April 19 2011. It features the TeraScale 2 architecture. The core clock speed is 600 MHz. It has 480 shading units. The thermal design power (TDP) is 45W. Manufactured using 40 nm process technology. G3D Mark benchmark score: 341 points.

Radeon HD 7580D

The Radeon HD 7580D is manufactured by AMD. It was released in January 31 2012. It features the GCN 1.0 architecture. The boost clock speed is 1250 MHz. It has 1792 shading units. The thermal design power (TDP) is 200W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 351 points. Launch price was $449.

⚡

Graphics Performance

The Radeon HD 6620G scores 341 and the Radeon HD 7580D reaches 351 in the G3D Mark benchmark — just a 2.9% difference, making them near-identical in rasterization performance. The Radeon HD 6620G is built on TeraScale 2 while the Radeon HD 7580D uses GCN 1.0, both on 40 nm vs 28 nm. Shader units: 480 (Radeon HD 6620G) vs 1,792 (Radeon HD 7580D). Raw compute: 0.576 TFLOPS (Radeon HD 6620G) vs 2.867 TFLOPS (Radeon HD 7580D).

Feature	Radeon HD 6620G	Radeon HD 7580D
G3D Mark Score	341	351+3%
Architecture	TeraScale 2	GCN 1.0
Process Node	40 nm	28 nm
Shading Units	480	1792+273%
Compute (TFLOPS)	0.576 TFLOPS	2.867 TFLOPS+398%
ROPs	8	32+300%
TMUs	24	112+367%
L1 Cache	48 KB	448 KB+833%
L2 Cache	256 KB	768 KB+200%
Frame Generation	FSR upscaling	FSR upscaling

✨

Advanced Features (DLSS/FSR)

Feature	Radeon HD 6620G	Radeon HD 7580D
Upscaling Tech	FSR Upscaling / FSR 4	FSR Upscaling / FSR 4
Frame Generation	Not Supported	Not Supported
Ray Reconstruction	No	No
Low Latency	AMD Anti-Lag	AMD Anti-Lag

💾

Video Memory (VRAM)

Both cards ship with 512 MB of GDDR5. Memory bus width is 128-bit on the Radeon HD 6620G and 128-bit on the Radeon HD 7580D. L2 Cache: 256 KB (Radeon HD 6620G) vs 768 KB (Radeon HD 7580D) — the Radeon HD 7580D has significantly larger on-die cache to reduce VRAM reliance.

Feature	Radeon HD 6620G	Radeon HD 7580D
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	768 KB+200%

🖥️

Display & API Support

DirectX support: 11 (Radeon HD 6620G) vs 11 (Radeon HD 7580D). Maximum simultaneous displays: 2 vs 0.

Feature	Radeon HD 6620G	Radeon HD 7580D
DirectX	11	11
Max Displays	2	0

🎬

Media & Encoding

Decoder: UVD 3 vs UVD 3.

Feature	Radeon HD 6620G	Radeon HD 7580D
Encoder	—	UVD 3
Decoder	UVD 3	UVD 3
Codecs	H.264,VC-1,MPEG-2	—

🔌

Power & Dimensions

The Radeon HD 6620G draws 45W versus the Radeon HD 7580D's 200W — a 126.5% difference. The Radeon HD 6620G is more power-efficient. Recommended PSU: 350W (Radeon HD 6620G) vs 350W (Radeon HD 7580D). Power connectors: 1x 6-pin vs 1x 6-pin.

Feature	Radeon HD 6620G	Radeon HD 7580D
TDP	45W-78%	200W
Recommended PSU	350W	350W
Power Connector	1x 6-pin	1x 6-pin
Length	—	1mm
Slots	—	0
Temp (Load)	75°C	—
Perf/Watt	7.6+322%	1.8

💰

Value Analysis

At launch, the Radeon HD 6620G came in at $50, while the Radeon HD 7580D launched at $60. On MSRP, Radeon HD 6620G was 16.7% cheaper ($10 less). Performance per dollar on MSRP (G3D Mark / MSRP): 6.8 (Radeon HD 6620G) vs 5.8 (Radeon HD 7580D) — the Radeon HD 6620G offers 17.2% better value. The newer card here is Radeon HD 7580D (2012 vs 2011).

Feature	Radeon HD 6620G	Radeon HD 7580D
MSRP	$50-17%	$60
Performance per Dollar	6.8+17%	5.8
Codename	Onega	Tahiti
Release	April 19 2011	January 31 2012
Ranking	#926	#454

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