GeForce FX 5900XT vs Mobility Radeon X1400

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 X1400 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 X1400: 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

✅More future proof: Fermi 2.0 (2010−2014) on 40nm with a newer platform for upcoming games.

Trade-offs

❌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 0.9 G3D/$ (Unknown MSRP vs $49 MSRP).
❌1116.7% higher power demand at 365W vs 30W.

Mobility Radeon X1400

2009

Why buy it

✅Delivers 100+% more G3D Mark for each dollar spent, at 0.9 vs 0 G3D/$ ($49 MSRP vs Unknown MSRP).
✅Draws 30W instead of 365W, a 335W reduction.

Trade-offs

❌2009 hardware with 128 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 X1400 is the faster gaming card right now based on the synthetic data we have. It leads by 7.5% in PassMark G3D (43 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 40nm process instead of 55nm and a newer 2011 generation instead of 2009. That makes it the less risky pick as game demands keep moving.

Which GPU is the better buy today?

Mobility Radeon X1400 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 X1400 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 X1400 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 X1400

The Mobility Radeon X1400 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 shading units. The thermal design power (TDP) is 30W. Manufactured using 55 nm process technology. G3D Mark benchmark score: 43 points.

⚡

Graphics Performance

In G3D Mark, the GeForce FX 5900XT scores 40 versus the Mobility Radeon X1400's 43 — the Mobility Radeon X1400 leads by 7.5%. The GeForce FX 5900XT is built on Rankine while the Mobility Radeon X1400 uses TeraScale, both on 40 nm vs 55 nm. Shader units: 1,024 (GeForce FX 5900XT) vs 800 (Mobility Radeon X1400). Raw compute: 1.244 TFLOPS ×2 (GeForce FX 5900XT) vs 0.88 TFLOPS (Mobility Radeon X1400).

Feature	GeForce FX 5900XT	Mobility Radeon X1400
G3D Mark Score	40	43+8%
Architecture	Rankine	TeraScale
Process Node	40 nm	55 nm
Shading Units	1024 ×2+28%	800
Compute (TFLOPS)	1.244 TFLOPS ×2+41%	0.88 TFLOPS
ROPs	48 ×2+200%	16
TMUs	64 ×2+60%	40
L1 Cache	1 MB+525%	0.16 MB
L2 Cache	768 KB+200%	256 KB

✨

Advanced Features (DLSS/FSR)

The GeForce FX 5900XT gets NVIDIA DLSS, which still tends to look cleaner in motion. The Mobility Radeon X1400 leans on FSR, which is flexible and widely supported, but usually a bit rougher at the same settings.

Feature	GeForce FX 5900XT	Mobility Radeon X1400
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

💾

Video Memory (VRAM)

Both cards ship with 128 MB of GDDR5. Memory bus width is 128-bit on the GeForce FX 5900XT and 64-bit on the Mobility Radeon X1400. L2 Cache: 768 KB (GeForce FX 5900XT) vs 256 KB (Mobility Radeon X1400) — the GeForce FX 5900XT has significantly larger on-die cache to reduce VRAM reliance.

Feature	GeForce FX 5900XT	Mobility Radeon X1400
VRAM Capacity	0.125 GB	0.125 GB
Memory Type	GDDR5	GDDR5
Memory Bandwidth	Unknown	Unknown
Bus Width	128-bit+100%	64-bit
L2 Cache	768 KB+200%	256 KB

🖥️

Display & API Support

DirectX support: 9.0a (GeForce FX 5900XT) vs 9.0c (9_3) (Mobility Radeon X1400). OpenGL: 1.5 vs 2.1. Maximum simultaneous displays: 1 vs 0.

Feature	GeForce FX 5900XT	Mobility Radeon X1400
DirectX	9.0a	9.0c (9_3)
OpenGL	1.5	2.1+40%
Max Displays	1	0

🔌

Power & Dimensions

The GeForce FX 5900XT draws 365W versus the Mobility Radeon X1400's 30W — a 169.6% difference. The Mobility Radeon X1400 is more power-efficient. Recommended PSU: 350W (GeForce FX 5900XT) vs 350W (Mobility Radeon X1400). Power connectors: Legacy vs PCIe-powered.

Feature	GeForce FX 5900XT	Mobility Radeon X1400
TDP	365W	30W-92%
Recommended PSU	350W	350W
Power Connector	Legacy	PCIe-powered
Length	218mm	—
Slots	1	—
Perf/Watt	0.1	1.4+1300%

💰

Value Analysis

At launch, the GeForce FX 5900XT came in at $0, while the Mobility Radeon X1400 launched at $49. On MSRP, GeForce FX 5900XT was 100+% cheaper ($49 less). Performance per dollar on MSRP (G3D Mark / MSRP): Infinity (GeForce FX 5900XT) vs 0.9 (Mobility Radeon X1400) — the GeForce FX 5900XT offers Infinity% better value. The newer card here is GeForce FX 5900XT (2011 vs 2009).

Feature	GeForce FX 5900XT	Mobility Radeon X1400
MSRP	$0-100%	$49
Performance per Dollar	Infinity	0.9
Codename	GF110	M98
Release	March 24 2011	January 9 2009
Ranking	#555	#927

Search GeForce FX 5900XT on Amazon

Search Mobility Radeon X1400 on Amazon

Affiliate Disclosure

ChipVERSUS is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com. We may earn a commission on qualifying purchases made through our links. This comes at no additional cost to you and helps support our work in providing comprehensive PC building guides and tools.

Amazon and the Amazon logo are trademarks of Amazon.com, Inc. or its affiliates.