Radeon HD 2900 XT vs Radeon HD 6630M

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 2900 XT vs Radeon HD 6630M 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 2900 XT vs Radeon HD 6630M: 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 2900 XT

2013

Why buy it

✅Delivers 100+% more G3D Mark for each dollar spent, at 1.7 vs 0 G3D/$ ($399 MSRP vs Unknown MSRP).
✅Draws 25W instead of 186W, a 161W reduction.
✅More future proof: TeraScale 2 (2009−2015) on 40nm with a newer platform for upcoming games.

Trade-offs

❌Lower average FPS than Radeon HD 6630M across 50 tracked games in our benchmark data.
❌2013 hardware with 1 GB of VRAM is already well past its comfortable zone for modern gaming, so it is hard to recommend now.

Radeon HD 6630M

2011

Why buy it

✅93.3% more average FPS across 50 tracked games in our benchmark data.

Trade-offs

❌2011 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 1.7 G3D/$ (Unknown MSRP vs $399 MSRP).
❌644% higher power demand at 186W vs 25W.

Quick Answers

Which GPU is faster for gaming right now?

Radeon HD 6630M is the faster gaming card right now. In our data, it leads by 93.3% in average FPS across 50 tracked games in our benchmark data and by 3.8% in PassMark G3D (685 vs 660), so the answer here is pretty clean.

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

Radeon HD 2900 XT is the safer long-term pick for 2026 and beyond. The case is simple: a newer 2013 generation instead of 2011. That makes it the less risky pick as game demands keep moving.

Which GPU is the better buy today?

Radeon HD 2900 XT makes the most sense today based on the pricing and value data we have for this matchup. Radeon HD 6630M still makes more sense if max raw gaming performance matters more than value.

Radeon HD 2900 XT vs Radeon HD 6630M Technical Specifications

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

Radeon HD 2900 XT

The Radeon HD 2900 XT is manufactured by AMD. It was released in January 7 2013. It features the TeraScale 2 architecture. The core clock speed is 725 MHz. It has 480 shading units. The thermal design power (TDP) is 25W. Manufactured using 40 nm process technology. G3D Mark benchmark score: 660 points.

Radeon HD 6630M

The Radeon HD 6630M is manufactured by AMD. It was released in December 1 2011. It features the TeraScale 3 architecture. The core clock speed is 750 MHz. It has 1280 shading units. The thermal design power (TDP) is 186W. Manufactured using 40 nm process technology. G3D Mark benchmark score: 685 points. Launch price was $180.

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Graphics Performance

The Radeon HD 2900 XT scores 660 and the Radeon HD 6630M reaches 685 in the G3D Mark benchmark — just a 3.8% difference, making them near-identical in rasterization performance. The Radeon HD 2900 XT is built on TeraScale 2 while the Radeon HD 6630M uses TeraScale 3, both on a 40 nm process. Shader units: 480 (Radeon HD 2900 XT) vs 1,280 (Radeon HD 6630M). Raw compute: 0.696 TFLOPS (Radeon HD 2900 XT) vs 1.92 TFLOPS (Radeon HD 6630M).

Feature	Radeon HD 2900 XT	Radeon HD 6630M
G3D Mark Score	660	685+4%
Architecture	TeraScale 2	TeraScale 3
Process Node	40 nm	40 nm
Shading Units	480	1280+167%
Compute (TFLOPS)	0.696 TFLOPS	1.92 TFLOPS+176%
ROPs	8	32+300%
TMUs	24	80+233%
L1 Cache	48 KB	320 KB+567%
L2 Cache	256 KB	512 KB+100%
Frame Generation	FSR upscaling	FSR upscaling

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Advanced Features (DLSS/FSR)

Feature	Radeon HD 2900 XT	Radeon HD 6630M
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

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Video Memory (VRAM)

Both cards ship with 1 GB of video memory. Memory bus width is 128-bit on the Radeon HD 2900 XT and System on the Radeon HD 6630M. L2 Cache: 256 KB (Radeon HD 2900 XT) vs 512 KB (Radeon HD 6630M) — the Radeon HD 6630M has significantly larger on-die cache to reduce VRAM reliance.

Feature	Radeon HD 2900 XT	Radeon HD 6630M
VRAM Capacity	1 GB	1 GB
Memory Type	GDDR5	Shared
Memory Bandwidth	Unknown	System
Bus Width	128-bit	System
L2 Cache	256 KB	512 KB+100%

🔌

Power & Dimensions

The Radeon HD 2900 XT draws 25W versus the Radeon HD 6630M's 186W — a 152.6% difference. The Radeon HD 2900 XT is more power-efficient. Recommended PSU: 350W (Radeon HD 2900 XT) vs 350W (Radeon HD 6630M). Power connectors: 1x 6-pin vs 1x 6-pin.

Feature	Radeon HD 2900 XT	Radeon HD 6630M
TDP	25W-87%	186W
Recommended PSU	350W	350W
Power Connector	1x 6-pin	1x 6-pin
Length	241mm	—
Slots	2	—
Perf/Watt	26.4+614%	3.7

💰

Value Analysis

The newer card here is Radeon HD 2900 XT (2013 vs 2011).

Feature	Radeon HD 2900 XT	Radeon HD 6630M
MSRP	$399	—
Codename	Thames	Cayman
Release	January 7 2013	December 1 2011
Ranking	#883	#598

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