Radeon HD 4650 AGP vs Radeon HD 6450

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 4650 AGP vs Radeon HD 6450 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 4650 AGP vs Radeon HD 6450: 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 4650 AGP

2011

Why buy it

✅Draws 45W instead of 200W, a 155W 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 6450 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.
❌
45.5% HIGHER MSRP
$80 MSRPvs$55 MSRP
❌Lower G3D Mark per dollar, at 2.6 vs 3.6 G3D/$ ($80 MSRP vs $55 MSRP).
❌14.9% longer card at 193mm vs 168mm.

Radeon HD 6450

2010

Why buy it

✅2.6% more average FPS across 50 tracked games in our benchmark data.
✅Costs $25 less on MSRP ($55 MSRP vs $80 MSRP).
✅Delivers 38.5% more G3D Mark for each dollar spent, at 3.6 vs 2.6 G3D/$ ($55 MSRP vs $80 MSRP).
✅Measures 168mm instead of 193mm, a 25mm shorter card that is more SFF-friendly.

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.
❌344.4% higher power demand at 200W vs 45W.

Quick Answers

Which GPU is faster for gaming right now?

Radeon HD 6450 is the faster gaming card right now. In our data, it leads by 2.6% in average FPS across 50 tracked games in our benchmark data. PassMark G3D leans toward Radeon HD 4650 AGP instead at 208 vs 198, so for this question the real-game FPS result matters more than the synthetic split.

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

Radeon HD 4650 AGP 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 HD 6450 makes the most sense to buy today. It is $25 cheaper on MSRP at $55 vs $80, and it leads G3D-per-dollar by 38.5% (3.6 vs 2.6), so the value case lines up with the gaming result. If you are mainly targeting 1080p and some 1440p, Radeon HD 6450 is the easier value choice. If you care more about 1080p and some 1440p headroom, Radeon HD 4650 AGP has the stronger long-term case.

Radeon HD 4650 AGP vs Radeon HD 6450 Technical Specifications

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

Radeon HD 4650 AGP

The Radeon HD 4650 AGP 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: 208 points.

Radeon HD 6450

The Radeon HD 6450 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: 198 points. Launch price was $299.

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Graphics Performance

In G3D Mark, the Radeon HD 4650 AGP scores 208 versus the Radeon HD 6450's 198 — the Radeon HD 4650 AGP leads by 5.1%. The Radeon HD 4650 AGP is built on TeraScale 2 while the Radeon HD 6450 uses TeraScale 3, both on a 40 nm process. Shader units: 480 (Radeon HD 4650 AGP) vs 1,408 (Radeon HD 6450). Raw compute: 0.576 TFLOPS (Radeon HD 4650 AGP) vs 2.253 TFLOPS (Radeon HD 6450).

Feature	Radeon HD 4650 AGP	Radeon HD 6450
G3D Mark Score	208+5%	198
Architecture	TeraScale 2	TeraScale 3
Process Node	40 nm	40 nm
Shading Units	480	1408+193%
Compute (TFLOPS)	0.576 TFLOPS	2.253 TFLOPS+291%
ROPs	8	32+300%
TMUs	24	88+267%
L1 Cache	48 KB	352 KB+633%
L2 Cache	256 KB	512 KB+100%
Frame Generation	FSR upscaling	FSR upscaling

✨

Advanced Features (DLSS/FSR)

Feature	Radeon HD 4650 AGP	Radeon HD 6450
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 512 MB of GDDR5. Memory bus width is 128-bit on the Radeon HD 4650 AGP and 128-bit on the Radeon HD 6450. L2 Cache: 256 KB (Radeon HD 4650 AGP) vs 512 KB (Radeon HD 6450) — the Radeon HD 6450 has significantly larger on-die cache to reduce VRAM reliance.

Feature	Radeon HD 4650 AGP	Radeon HD 6450
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%

🖥️

Display & API Support

DirectX support: 10.1 (Radeon HD 4650 AGP) vs 11.2 (Radeon HD 6450). Maximum simultaneous displays: 2 vs 2.

Feature	Radeon HD 4650 AGP	Radeon HD 6450
DirectX	10.1	11.2+11%
Max Displays	2	2

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Media & Encoding

Hardware encoder: UVD 2 (Radeon HD 4650 AGP) vs UVD 3.1 (Radeon HD 6450). Decoder: UVD 2 vs UVD 3.1.

Feature	Radeon HD 4650 AGP	Radeon HD 6450
Encoder	UVD 2	UVD 3.1
Decoder	UVD 2	UVD 3.1
Codecs	—	H.264,MPEG-2,VC-1

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Power & Dimensions

The Radeon HD 4650 AGP draws 45W versus the Radeon HD 6450's 200W — a 126.5% difference. The Radeon HD 4650 AGP is more power-efficient. Recommended PSU: 350W (Radeon HD 4650 AGP) vs 350W (Radeon HD 6450). Power connectors: 1x 6-pin vs 1x 6-pin. Card length: 193mm vs 168mm, occupying 1 vs 1 slots.

Feature	Radeon HD 4650 AGP	Radeon HD 6450
TDP	45W-78%	200W
Recommended PSU	350W	350W
Power Connector	1x 6-pin	1x 6-pin
Length	193mm	168mm
Height	—	69mm
Slots	1	1
Temp (Load)	—	70°C
Perf/Watt	4.6+360%	1.0

💰

Value Analysis

At launch, the Radeon HD 4650 AGP came in at $80, while the Radeon HD 6450 launched at $55. On MSRP, Radeon HD 6450 was 31.3% cheaper ($25 less). Performance per dollar on MSRP (G3D Mark / MSRP): 2.6 (Radeon HD 4650 AGP) vs 3.6 (Radeon HD 6450) — the Radeon HD 6450 offers 38.5% better value. The newer card here is Radeon HD 4650 AGP (2011 vs 2010).

Feature	Radeon HD 4650 AGP	Radeon HD 6450
MSRP	$80	$55-31%
Performance per Dollar	2.6	3.6+38%
Codename	Onega	Cayman
Release	April 19 2011	December 14 2010
Ranking	#926	#623

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