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 2600 XT 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 2600 XT 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 2600 XT

2009

Why buy it

✅Draws 30W instead of 200W, a 170W reduction.

Trade-offs

❌Less VRAM, with 256 MB vs 512 MB for high-resolution textures and newer games.
❌2009 hardware with 256 MB of VRAM is already well past its comfortable zone for modern gaming, so it is hard to recommend now.
❌
261.8% HIGHER MSRP
$199 MSRPvs$55 MSRP
❌Lower G3D Mark per dollar, at 1.0 vs 3.6 G3D/$ ($199 MSRP vs $55 MSRP).

Radeon HD 6450

2010

Why buy it

✅Costs $144 less on MSRP ($55 MSRP vs $199 MSRP).
✅Delivers 273.1% more G3D Mark for each dollar spent, at 3.6 vs 1.0 G3D/$ ($55 MSRP vs $199 MSRP).
✅100% more VRAM for high-resolution textures and newer games (512 MB vs 256 MB).

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.
❌566.7% higher power demand at 200W vs 30W.

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 3.1% in PassMark G3D (198 vs 192), 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 2600 XT 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 6450 makes the most sense to buy today. It is $144 cheaper on MSRP at $55 vs $199, and it leads G3D-per-dollar by 273.1% (3.6 vs 1.0), 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, Mobility Radeon HD 2600 XT has the stronger long-term case.

Mobility Radeon HD 2600 XT vs Radeon HD 6450 Technical Specifications

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

Mobility Radeon HD 2600 XT

The Mobility Radeon HD 2600 XT is manufactured by AMD. It was released in January 9 2009. It features the TeraScale architecture. The core clock speed is 550 MHz. It has 800 ×2 shading units. The thermal design power (TDP) is 30W. Manufactured using 55 nm process technology. G3D Mark benchmark score: 192 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 2600 XT scores 192 and the Radeon HD 6450 reaches 198 in the G3D Mark benchmark — just a 3.1% difference, making them near-identical in rasterization performance. The Mobility Radeon HD 2600 XT is built on TeraScale while the Radeon HD 6450 uses TeraScale 3, both on 55 nm vs 40 nm. Shader units: 800 (Mobility Radeon HD 2600 XT) vs 1,408 (Radeon HD 6450). Raw compute: 0.88 TFLOPS ×2 (Mobility Radeon HD 2600 XT) vs 2.253 TFLOPS (Radeon HD 6450).

Feature	Mobility Radeon HD 2600 XT	Radeon HD 6450
G3D Mark Score	192	198+3%
Architecture	TeraScale	TeraScale 3
Process Node	55 nm	40 nm
Shading Units	800 ×2	1408+76%
Compute (TFLOPS)	0.88 TFLOPS ×2	2.253 TFLOPS+156%
ROPs	16 ×2	32+100%
TMUs	40 ×2	88+120%
L1 Cache	160 KB	352 KB+120%
L2 Cache	256 KB	512 KB+100%
Frame Generation	FSR upscaling	FSR upscaling

✨

Advanced Features (DLSS/FSR)

Feature	Mobility Radeon HD 2600 XT	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)

The Mobility Radeon HD 2600 XT has 256 MB of VRAM, while the Radeon HD 6450 carries 512 MB. Radeon HD 6450 gives you 100% more memory capacity, which matters more once you move into heavier textures, mods, or higher resolutions. Memory bus width is 64-bit on the Mobility Radeon HD 2600 XT and 128-bit on the Radeon HD 6450. L2 Cache: 256 KB (Mobility Radeon HD 2600 XT) vs 512 KB (Radeon HD 6450) — the Radeon HD 6450 has significantly larger on-die cache to reduce VRAM reliance.

Feature	Mobility Radeon HD 2600 XT	Radeon HD 6450
VRAM Capacity	0.25 GB	0.5 GB+100%
Memory Type	GDDR5	GDDR5
Memory Bandwidth	Unknown	Unknown
Bus Width	64-bit	128-bit+100%
L2 Cache	256 KB	512 KB+100%

🖥️

Display & API Support

DirectX support: 10.0 (Mobility Radeon HD 2600 XT) vs 11.2 (Radeon HD 6450). OpenGL: 3.3 vs 4.4. Maximum simultaneous displays: 2 vs 2.

Feature	Mobility Radeon HD 2600 XT	Radeon HD 6450
DirectX	10.0	11.2+12%
OpenGL	3.3	4.4+33%
Max Displays	2	2

🎬

Media & Encoding

Hardware encoder: Avivo HD (Mobility Radeon HD 2600 XT) vs UVD 3.1 (Radeon HD 6450). Decoder: Avivo HD vs UVD 3.1. Supported codecs: H.264,MPEG-2,VC-1,MPEG-4 (Mobility Radeon HD 2600 XT) vs H.264,MPEG-2,VC-1 (Radeon HD 6450).

Feature	Mobility Radeon HD 2600 XT	Radeon HD 6450
Encoder	Avivo HD	UVD 3.1
Decoder	Avivo HD	UVD 3.1
Codecs	H.264,MPEG-2,VC-1,MPEG-4	H.264,MPEG-2,VC-1

🔌

Power & Dimensions

The Mobility Radeon HD 2600 XT draws 30W versus the Radeon HD 6450's 200W — a 147.8% difference. The Mobility Radeon HD 2600 XT is more power-efficient. Recommended PSU: 350W (Mobility Radeon HD 2600 XT) vs 350W (Radeon HD 6450). Power connectors: PCIe-powered vs 1x 6-pin. Typical load temperature: 70°C vs 70°C.

Feature	Mobility Radeon HD 2600 XT	Radeon HD 6450
TDP	30W-85%	200W
Recommended PSU	350W	350W
Power Connector	PCIe-powered	1x 6-pin
Length	—	168mm
Height	—	69mm
Slots	1	1
Temp (Load)	70°C	70°C
Perf/Watt	6.4+540%	1.0

💰

Value Analysis

At launch, the Mobility Radeon HD 2600 XT came in at $199, while the Radeon HD 6450 launched at $55. On MSRP, Radeon HD 6450 was 72.4% cheaper ($144 less). Performance per dollar on MSRP (G3D Mark / MSRP): 1.0 (Mobility Radeon HD 2600 XT) vs 3.6 (Radeon HD 6450) — the Radeon HD 6450 offers 260% better value. The newer card here is Radeon HD 6450 (2010 vs 2009).

Feature	Mobility Radeon HD 2600 XT	Radeon HD 6450
MSRP	$199	$55-72%
Performance per Dollar	1.0	3.6+260%
Codename	M98	Cayman
Release	January 9 2009	December 14 2010
Ranking	#818	#623

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