Mobility Radeon HD 4550 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.

Mobility Radeon HD 4550 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.

Mobility Radeon HD 4550 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.

Mobility Radeon HD 4550

2010

Why buy it

✅Costs $6 less on MSRP ($49 MSRP vs $55 MSRP).
✅Draws 50W instead of 200W, a 150W reduction.
✅Measures 1mm instead of 168mm, a 167mm 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.

Radeon HD 6450

2010

Why buy it

✅Competitive enough if your priority is price, power, or specific feature preference.

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.
❌
12.2% HIGHER MSRP
$55 MSRPvs$49 MSRP
❌300% higher power demand at 200W vs 50W.
❌16700% longer card at 168mm vs 1mm.

Quick Answers

Which GPU is faster for gaming right now?

Radeon HD 6450 is the faster gaming card right now based on the synthetic data we have. It leads by 3.7% in PassMark G3D (198 vs 191), which is the best performance signal available in this matchup.

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

Mobility Radeon HD 4550 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?

Mobility Radeon HD 4550 makes the most sense to buy today. It is $6 cheaper on MSRP at $49 vs $55, and it leads G3D-per-dollar by 8.3% (3.9 vs 3.6), which is enough to swing the recommendation its way. Radeon HD 6450 still makes more sense if max raw gaming performance matters more than value.

Mobility Radeon HD 4550 vs Radeon HD 6450 Technical Specifications

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

Mobility Radeon HD 4550

The Mobility Radeon HD 4550 is manufactured by AMD. It was released in January 7 2010. It features the TeraScale 2 architecture. The core clock speed is 700 MHz. It has 800 shading units. The thermal design power (TDP) is 50W. Manufactured using 40 nm process technology. G3D Mark benchmark score: 191 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.

⚡

Graphics Performance

The Mobility Radeon HD 4550 scores 191 and the Radeon HD 6450 reaches 198 in the G3D Mark benchmark — just a 3.7% difference, making them near-identical in rasterization performance. The Mobility Radeon HD 4550 is built on TeraScale 2 while the Radeon HD 6450 uses TeraScale 3, both on a 40 nm process. Shader units: 800 (Mobility Radeon HD 4550) vs 1,408 (Radeon HD 6450). Raw compute: 1.12 TFLOPS (Mobility Radeon HD 4550) vs 2.253 TFLOPS (Radeon HD 6450).

Feature	Mobility Radeon HD 4550	Radeon HD 6450
G3D Mark Score	191	198+4%
Architecture	TeraScale 2	TeraScale 3
Process Node	40 nm	40 nm
Shading Units	800	1408+76%
Compute (TFLOPS)	1.12 TFLOPS	2.253 TFLOPS+101%
ROPs	16	32+100%
TMUs	40	88+120%
L1 Cache	80 KB	352 KB+340%
L2 Cache	256 KB	512 KB+100%
Frame Generation	FSR upscaling	FSR upscaling

✨

Advanced Features (DLSS/FSR)

Feature	Mobility Radeon HD 4550	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

💾

Video Memory (VRAM)

Both cards ship with 512 MB of GDDR5. Memory bus width is 128-bit on the Mobility Radeon HD 4550 and 128-bit on the Radeon HD 6450. L2 Cache: 256 KB (Mobility Radeon HD 4550) vs 512 KB (Radeon HD 6450) — the Radeon HD 6450 has significantly larger on-die cache to reduce VRAM reliance.

Feature	Mobility Radeon HD 4550	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 (Mobility Radeon HD 4550) vs 11.2 (Radeon HD 6450). Maximum simultaneous displays: 0 vs 2.

Feature	Mobility Radeon HD 4550	Radeon HD 6450
DirectX	10.1	11.2+11%
Max Displays	0	2

🎬

Media & Encoding

Hardware encoder: UVD 2 (Mobility Radeon HD 4550) vs UVD 3.1 (Radeon HD 6450). Decoder: UVD 2 vs UVD 3.1.

Feature	Mobility Radeon HD 4550	Radeon HD 6450
Encoder	UVD 2	UVD 3.1
Decoder	UVD 2	UVD 3.1
Codecs	—	H.264,MPEG-2,VC-1

🔌

Power & Dimensions

The Mobility Radeon HD 4550 draws 50W versus the Radeon HD 6450's 200W — a 120% difference. The Mobility Radeon HD 4550 is more power-efficient. Recommended PSU: 350W (Mobility Radeon HD 4550) vs 350W (Radeon HD 6450). Power connectors: PCIe-powered vs 1x 6-pin. Card length: 1mm vs 168mm, occupying 0 vs 1 slots.

Feature	Mobility Radeon HD 4550	Radeon HD 6450
TDP	50W-75%	200W
Recommended PSU	350W	350W
Power Connector	PCIe-powered	1x 6-pin
Length	1mm	168mm
Height	—	69mm
Slots	0-100%	1
Temp (Load)	—	70°C
Perf/Watt	3.8+280%	1.0

💰

Value Analysis

At launch, the Mobility Radeon HD 4550 came in at $49, while the Radeon HD 6450 launched at $55. On MSRP, Mobility Radeon HD 4550 was 10.9% cheaper ($6 less). Performance per dollar on MSRP (G3D Mark / MSRP): 3.9 (Mobility Radeon HD 4550) vs 3.6 (Radeon HD 6450) — the Mobility Radeon HD 4550 offers 8.3% better value.

Feature	Mobility Radeon HD 4550	Radeon HD 6450
MSRP	$49-11%	$55
Performance per Dollar	3.9+8%	3.6
Codename	Broadway	Cayman
Release	January 7 2010	December 14 2010
Ranking	#846	#623

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