Radeon HD 6490M vs Radeon HD4670

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 6490M vs Radeon HD4670 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 6490M vs Radeon HD4670: 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 6490M

2011

Why buy it

✅3.0% more average FPS across 50 tracked games in our benchmark data.
✅Draws 75W instead of 250W, a 175W reduction.
✅More future proof: TeraScale 2 (2009−2015) on 40nm with a newer platform for upcoming games.

Trade-offs

❌2011 hardware with 512 MB 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 5.5 G3D/$ (Unknown MSRP vs $67 MSRP).

Radeon HD4670

2010

Why buy it

✅Delivers 100+% more G3D Mark for each dollar spent, at 5.5 vs 0 G3D/$ ($67 MSRP vs Unknown MSRP).

Trade-offs

❌Lower average FPS than Radeon HD 6490M across 50 tracked games in our benchmark data.
❌2010 hardware with 512 MB of VRAM is already well past its comfortable zone for modern gaming, so it is hard to recommend now.
❌233.3% higher power demand at 250W vs 75W.

Quick Answers

Which GPU is faster for gaming right now?

Radeon HD 6490M is the faster gaming card right now. In our data, it leads by 3.0% in average FPS across 50 tracked games in our benchmark data and by 3.3% in PassMark G3D (378 vs 366), so the answer here is pretty clean.

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

Radeon HD 6490M is the safer long-term pick for 2026 and beyond. The case is simple: a newer 2011 generation instead of 2010. That makes it the less risky pick as game demands keep moving.

Which GPU is the better buy today?

Radeon HD4670 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 HD4670 is the easier value choice. If you care more about 1080p and some 1440p headroom, Radeon HD 6490M has the stronger long-term case.

Radeon HD 6490M vs Radeon HD4670 Technical Specifications

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

Radeon HD 6490M

The Radeon HD 6490M is manufactured by AMD. It was released in January 4 2011. It features the TeraScale 2 architecture. The core clock speed is 680 MHz. It has 960 shading units. The thermal design power (TDP) is 75W. Manufactured using 40 nm process technology. G3D Mark benchmark score: 378 points.

Radeon HD4670

The Radeon HD4670 is manufactured by AMD. It was released in December 14 2010. It features the TeraScale 3 architecture. The boost clock speed is 880 MHz. It has 1536 shading units. The thermal design power (TDP) is 250W. Manufactured using 40 nm process technology. G3D Mark benchmark score: 366 points. Launch price was $369.

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Graphics Performance

The Radeon HD 6490M scores 378 and the Radeon HD4670 reaches 366 in the G3D Mark benchmark — just a 3.3% difference, making them near-identical in rasterization performance. The Radeon HD 6490M is built on TeraScale 2 while the Radeon HD4670 uses TeraScale 3, both on a 40 nm process. Shader units: 960 (Radeon HD 6490M) vs 1,536 (Radeon HD4670). Raw compute: 1.306 TFLOPS (Radeon HD 6490M) vs 2.703 TFLOPS (Radeon HD4670).

Feature	Radeon HD 6490M	Radeon HD4670
G3D Mark Score	378+3%	366
Architecture	TeraScale 2	TeraScale 3
Process Node	40 nm	40 nm
Shading Units	960	1536+60%
Compute (TFLOPS)	1.306 TFLOPS	2.703 TFLOPS+107%
ROPs	32	32
TMUs	48	96+100%
L1 Cache	192 KB	192 KB
L2 Cache	512 KB	512 KB
Frame Generation	FSR upscaling	FSR upscaling

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Advanced Features (DLSS/FSR)

Feature	Radeon HD 6490M	Radeon HD4670
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 video memory. Memory bus width is System on the Radeon HD 6490M and 128-bit on the Radeon HD4670.

Feature	Radeon HD 6490M	Radeon HD4670
VRAM Capacity	0.5 GB	0.5 GB
Memory Type	Shared	GDDR5
Memory Bandwidth	System	Unknown
Bus Width	System	128-bit
L2 Cache	512 KB	512 KB

🔌

Power & Dimensions

The Radeon HD 6490M draws 75W versus the Radeon HD4670's 250W — a 107.7% difference. The Radeon HD 6490M is more power-efficient. Recommended PSU: 350W (Radeon HD 6490M) vs 300W (Radeon HD4670). Power connectors: 1x 6-pin vs None.

Feature	Radeon HD 6490M	Radeon HD4670
TDP	75W-70%	250W
Recommended PSU	350W	300W-14%
Power Connector	1x 6-pin	None
Perf/Watt	5.0+233%	1.5

💰

Value Analysis

The newer card here is Radeon HD 6490M (2011 vs 2010).

Feature	Radeon HD 6490M	Radeon HD4670
MSRP	—	$67
Codename	Blackcomb	Cayman
Release	January 4 2011	December 14 2010
Ranking	#654	#596

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