GeForce FX 5900XT vs Mobility Radeon X2300 HD

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.

GeForce FX 5900XT vs Mobility Radeon X2300 HD 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.

GeForce FX 5900XT vs Mobility Radeon X2300 HD: Pros, Cons & Final Verdict

See where each GPU makes more sense in practice: raw FPS, VRAM, features, power draw, pricing, and long-term headroom.

GeForce FX 5900XT

2011

Why buy it

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

Trade-offs

❌Lower PassMark G3D performance (40 vs 49).
❌Less VRAM, with 128 MB vs 512 MB for high-resolution textures and newer games.
❌2011 hardware with 128 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 1.0 G3D/$ (Unknown MSRP vs $50 MSRP).
❌630% higher power demand at 365W vs 50W.

Mobility Radeon X2300 HD

2010

Why buy it

✅+22.5% higher PassMark G3D performance.
✅Delivers 100+% more G3D Mark for each dollar spent, at 1.0 vs 0 G3D/$ ($50 MSRP vs Unknown MSRP).
✅300% more VRAM for high-resolution textures and newer games (512 MB vs 128 MB).
✅Draws 50W instead of 365W, a 315W reduction.

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.

Quick Answers

Which GPU is faster for gaming right now?

Mobility Radeon X2300 HD is the faster gaming card right now based on the synthetic data we have. It leads by 22.5% in PassMark G3D (49 vs 40), which is the best performance signal available in this matchup.

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

GeForce FX 5900XT 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?

Mobility Radeon X2300 HD 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, Mobility Radeon X2300 HD is the easier value choice. If you care more about 1080p and some 1440p headroom, GeForce FX 5900XT has the stronger long-term case.

GeForce FX 5900XT vs Mobility Radeon X2300 HD Technical Specifications

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

GeForce FX 5900XT

The GeForce FX 5900XT is manufactured by NVIDIA. It was released in March 24 2011. It features the Rankine architecture. The core clock speed is 607 MHz. It has 1024 ×2 shading units. The thermal design power (TDP) is 365W. Manufactured using 40 nm process technology. G3D Mark benchmark score: 40 points. Launch price was $699.

Mobility Radeon X2300 HD

The Mobility Radeon X2300 HD 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: 49 points.

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Graphics Performance

In G3D Mark, the GeForce FX 5900XT scores 40 versus the Mobility Radeon X2300 HD's 49 — the Mobility Radeon X2300 HD leads by 22.5%. The GeForce FX 5900XT is built on Rankine while the Mobility Radeon X2300 HD uses TeraScale 2, both on a 40 nm process. Shader units: 1,024 (GeForce FX 5900XT) vs 800 (Mobility Radeon X2300 HD). Raw compute: 1.244 TFLOPS ×2 (GeForce FX 5900XT) vs 1.12 TFLOPS (Mobility Radeon X2300 HD).

Feature	GeForce FX 5900XT	Mobility Radeon X2300 HD
G3D Mark Score	40	49+23%
Architecture	Rankine	TeraScale 2
Process Node	40 nm	40 nm
Shading Units	1024 ×2+28%	800
Compute (TFLOPS)	1.244 TFLOPS ×2+11%	1.12 TFLOPS
ROPs	48 ×2+200%	16
TMUs	64 ×2+60%	40
L1 Cache	1 MB+1150%	0.08 MB
L2 Cache	768 KB+200%	256 KB

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Advanced Features (DLSS/FSR)

The GeForce FX 5900XT gets NVIDIA DLSS, which still tends to look cleaner in motion. The Mobility Radeon X2300 HD leans on FSR, which is flexible and widely supported, but usually a bit rougher at the same settings.

Feature	GeForce FX 5900XT	Mobility Radeon X2300 HD
Upscaling Tech	Upscaling support	FSR Upscaling / FSR 4
Frame Generation	Not Supported	Not Supported
Ray Reconstruction	No	No
Low Latency	NVIDIA Reflex	AMD Anti-Lag

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Video Memory (VRAM)

The GeForce FX 5900XT has 128 MB of VRAM, while the Mobility Radeon X2300 HD carries 512 MB. Mobility Radeon X2300 HD gives you 300% more memory capacity, which matters more once you move into heavier textures, mods, or higher resolutions. Memory bus width is 128-bit on the GeForce FX 5900XT and 128-bit on the Mobility Radeon X2300 HD. L2 Cache: 768 KB (GeForce FX 5900XT) vs 256 KB (Mobility Radeon X2300 HD) — the GeForce FX 5900XT has significantly larger on-die cache to reduce VRAM reliance.

Feature	GeForce FX 5900XT	Mobility Radeon X2300 HD
VRAM Capacity	0.125 GB	0.5 GB+300%
Memory Type	GDDR5	GDDR5
Memory Bandwidth	Unknown	Unknown
Bus Width	128-bit	128-bit
L2 Cache	768 KB+200%	256 KB

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Display & API Support

DirectX support: 9.0a (GeForce FX 5900XT) vs 9.0c (Mobility Radeon X2300 HD). OpenGL: 1.5 vs 2.0. Maximum simultaneous displays: 1 vs 2.

Feature	GeForce FX 5900XT	Mobility Radeon X2300 HD
DirectX	9.0a	9.0c
OpenGL	1.5	2.0+33%
Max Displays	1	2+100%

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Power & Dimensions

The GeForce FX 5900XT draws 365W versus the Mobility Radeon X2300 HD's 50W — a 151.8% difference. The Mobility Radeon X2300 HD is more power-efficient. Recommended PSU: 350W (GeForce FX 5900XT) vs 350W (Mobility Radeon X2300 HD). Power connectors: Legacy vs PCIe-powered.

Feature	GeForce FX 5900XT	Mobility Radeon X2300 HD
TDP	365W	50W-86%
Recommended PSU	350W	350W
Power Connector	Legacy	PCIe-powered
Length	218mm	—
Slots	1	—
Temp (Load)	—	80°C
Perf/Watt	0.1	1.0+900%

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Value Analysis

At launch, the GeForce FX 5900XT came in at $0, while the Mobility Radeon X2300 HD launched at $50. On MSRP, GeForce FX 5900XT was 100+% cheaper ($50 less). Performance per dollar on MSRP (G3D Mark / MSRP): Infinity (GeForce FX 5900XT) vs 1.0 (Mobility Radeon X2300 HD) — the GeForce FX 5900XT offers Infinity% better value. The newer card here is GeForce FX 5900XT (2011 vs 2010).

Feature	GeForce FX 5900XT	Mobility Radeon X2300 HD
MSRP	$0-100%	$50
Performance per Dollar	Infinity	1.0
Codename	GF110	Broadway
Release	March 24 2011	January 7 2010
Ranking	#555	#846

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