GeForce 8400 SE vs MOBILITY RADEON X700

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 8400 SE vs MOBILITY RADEON X700 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 8400 SE vs MOBILITY RADEON X700: 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 8400 SE

2014

Why buy it

✅Costs $50 less on MSRP ($50 MSRP vs $100 MSRP).
✅Delivers 103% more G3D Mark for each dollar spent, at 1.4 vs 0.7 G3D/$ ($50 MSRP vs $100 MSRP).
✅300% more VRAM for high-resolution textures and newer games (512 MB vs 128 MB).
✅Draws 33W instead of 50W, a 17W reduction.

Trade-offs

❌2014 hardware with 512 MB of VRAM is already well past its comfortable zone for modern gaming, so it is hard to recommend now.

MOBILITY RADEON X700

2010

Why buy it

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

Trade-offs

❌Less VRAM, with 128 MB vs 512 MB for high-resolution textures and newer games.
❌2010 hardware with 128 MB of VRAM is already well past its comfortable zone for modern gaming, so it is hard to recommend now.
❌
100% HIGHER MSRP
$100 MSRPvs$50 MSRP
❌Lower G3D Mark per dollar, at 0.7 vs 1.4 G3D/$ ($100 MSRP vs $50 MSRP).
❌51.5% higher power demand at 50W vs 33W.

Quick Answers

Which GPU is faster for gaming right now?

GeForce 8400 SE is the faster gaming card right now based on the synthetic data we have. It leads by 1.5% in PassMark G3D (68 vs 67), which is the best performance signal available in this matchup.

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

GeForce 8400 SE is the safer long-term pick for 2026 and beyond. The case is simple: 512 MB vs 128 MB of VRAM, a 28nm process instead of 40nm, and a newer 2014 generation instead of 2010. That gives it more room for heavier textures and higher settings over time.

Which GPU is the better buy today?

GeForce 8400 SE makes the most sense to buy today. It is $50 cheaper on MSRP at $50 vs $100, and it leads G3D-per-dollar by 103% (1.4 vs 0.7), so the value case lines up with the gaming result.

GeForce 8400 SE vs MOBILITY RADEON X700 Technical Specifications

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

GeForce 8400 SE

The GeForce 8400 SE is manufactured by NVIDIA. It was released in March 17 2014. It features the Maxwell architecture. The core clock ranges from 1029 MHz to 1124 MHz. It has 384 shading units. The thermal design power (TDP) is 33W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 68 points.

MOBILITY RADEON X700

The MOBILITY RADEON X700 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: 67 points.

⚡

Graphics Performance

The GeForce 8400 SE scores 68 and the MOBILITY RADEON X700 reaches 67 in the G3D Mark benchmark — just a 1.5% difference, making them near-identical in rasterization performance. The GeForce 8400 SE is built on Maxwell while the MOBILITY RADEON X700 uses TeraScale 2, both on 28 nm vs 40 nm. Shader units: 384 (GeForce 8400 SE) vs 800 (MOBILITY RADEON X700). Raw compute: 0.8632 TFLOPS (GeForce 8400 SE) vs 1.12 TFLOPS (MOBILITY RADEON X700).

Feature	GeForce 8400 SE	MOBILITY RADEON X700
G3D Mark Score	68+1%	67
Architecture	Maxwell	TeraScale 2
Process Node	28 nm	40 nm
Shading Units	384	800+108%
Compute (TFLOPS)	0.8632 TFLOPS	1.12 TFLOPS+30%
ROPs	8	16+100%
TMUs	16	40+150%
L1 Cache	192 KB+140%	80 KB
L2 Cache	1 MB+300%	0.25 MB

✨

Advanced Features (DLSS/FSR)

The GeForce 8400 SE gets NVIDIA DLSS, which still tends to look cleaner in motion. The MOBILITY RADEON X700 leans on FSR, which is flexible and widely supported, but usually a bit rougher at the same settings.

Feature	GeForce 8400 SE	MOBILITY RADEON X700
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 8400 SE has 512 MB of VRAM, while the MOBILITY RADEON X700 carries 128 MB. GeForce 8400 SE 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 8400 SE and 128-bit on the MOBILITY RADEON X700. L2 Cache: 1 MB (GeForce 8400 SE) vs 0.25 MB (MOBILITY RADEON X700) — the GeForce 8400 SE has significantly larger on-die cache to reduce VRAM reliance.

Feature	GeForce 8400 SE	MOBILITY RADEON X700
VRAM Capacity	0.5 GB+300%	0.125 GB
Memory Type	GDDR5	GDDR5
Memory Bandwidth	Unknown	Unknown
Bus Width	128-bit	128-bit
L2 Cache	1 MB+300%	0.25 MB

🖥️

Display & API Support

DirectX support: 11.1 (10_0) (GeForce 8400 SE) vs 9.0b (MOBILITY RADEON X700). OpenGL: 3.3 vs 2.1. Maximum simultaneous displays: 2 vs 2.

Feature	GeForce 8400 SE	MOBILITY RADEON X700
DirectX	11.1 (10_0)+23%	9.0b
OpenGL	3.3+57%	2.1
Max Displays	2	2

🔌

Power & Dimensions

The GeForce 8400 SE draws 33W versus the MOBILITY RADEON X700's 50W — a 41% difference. The GeForce 8400 SE is more power-efficient. Recommended PSU: 350W (GeForce 8400 SE) vs 350W (MOBILITY RADEON X700). Power connectors: Legacy vs PCIe-powered. Typical load temperature: 85 vs 80°C.

Feature	GeForce 8400 SE	MOBILITY RADEON X700
TDP	33W-34%	50W
Recommended PSU	350W	350W
Power Connector	Legacy	PCIe-powered
Length	168mm	—
Height	69mm	—
Slots	1	—
Temp (Load)	85	80°C-6%
Perf/Watt	2.1+62%	1.3

💰

Value Analysis

At launch, the GeForce 8400 SE came in at $50, while the MOBILITY RADEON X700 launched at $100. On MSRP, GeForce 8400 SE was 50% cheaper ($50 less). Performance per dollar on MSRP (G3D Mark / MSRP): 1.4 (GeForce 8400 SE) vs 0.7 (MOBILITY RADEON X700) — the GeForce 8400 SE offers 100% better value. The newer card here is GeForce 8400 SE (2014 vs 2010).

Feature	GeForce 8400 SE	MOBILITY RADEON X700
MSRP	$50-50%	$100
Performance per Dollar	1.4+100%	0.7
Codename	GM108	Broadway
Release	March 17 2014	January 7 2010
Ranking	#850	#846

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