GeForce 8400M GS vs GeForce 9400M

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 8400M GS vs GeForce 9400M 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 8400M GS vs GeForce 9400M: 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 8400M GS

2014

Why buy it

✅Delivers 100+% more G3D Mark for each dollar spent, at 2.1 vs 0 G3D/$ ($50 MSRP vs Unknown MSRP).

Trade-offs

❌Less VRAM, with 128 MB vs 512 MB for high-resolution textures and newer games.
❌2014 hardware with 128 MB of VRAM is already well past its comfortable zone for modern gaming, so it is hard to recommend now.

GeForce 9400M

2015

Why buy it

✅300% more VRAM for high-resolution textures and newer games (512 MB vs 128 MB).
✅More future proof: Maxwell (2014−2017) on 28nm with a newer platform for upcoming games.

Trade-offs

❌2015 hardware with 512 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 2.1 G3D/$ (Unknown MSRP vs $50 MSRP).

Quick Answers

Which GPU is faster for gaming right now?

GeForce 8400M GS is the faster gaming card right now based on the synthetic data we have. It leads by 3% in PassMark G3D (104 vs 101), which is the best performance signal available in this matchup.

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

GeForce 8400M GS 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?

GeForce 8400M GS makes the most sense today based on the pricing and value data we have for this matchup.

GeForce 8400M GS vs GeForce 9400M Technical Specifications

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

GeForce 8400M GS

The GeForce 8400M GS is manufactured by NVIDIA. It was released in March 12 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: 104 points.

GeForce 9400M

The GeForce 9400M is manufactured by NVIDIA. It was released in March 13 2015. It features the Maxwell architecture. The core clock ranges from 1072 MHz to 1176 MHz. It has 384 shading units. The thermal design power (TDP) is 33W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 101 points.

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Graphics Performance

The GeForce 8400M GS scores 104 and the GeForce 9400M reaches 101 in the G3D Mark benchmark — just a 3% difference, making them near-identical in rasterization performance. The GeForce 8400M GS is built on Maxwell while the GeForce 9400M uses Maxwell, both on a 28 nm process. Shader units: 384 (GeForce 8400M GS) vs 384 (GeForce 9400M). Raw compute: 0.8632 TFLOPS (GeForce 8400M GS) vs 0.9032 TFLOPS (GeForce 9400M). Boost clocks: 1124 MHz vs 1176 MHz.

Feature	GeForce 8400M GS	GeForce 9400M
G3D Mark Score	104+3%	101
Architecture	Maxwell	Maxwell
Process Node	28 nm	28 nm
Shading Units	384	384
Compute (TFLOPS)	0.8632 TFLOPS	0.9032 TFLOPS+5%
Boost Clock	1124 MHz	1176 MHz+5%
ROPs	8	8
TMUs	16	24+50%
L1 Cache	192 KB	192 KB
L2 Cache	1 MB	1 MB

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Advanced Features (DLSS/FSR)

Feature	GeForce 8400M GS	GeForce 9400M
Upscaling Tech	Upscaling support	Upscaling support
Frame Generation	Not Supported	Not Supported
Ray Reconstruction	No	No
Low Latency	NVIDIA Reflex	NVIDIA Reflex

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Video Memory (VRAM)

The GeForce 8400M GS has 128 MB of VRAM, while the GeForce 9400M carries 512 MB. GeForce 9400M 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 8400M GS and 128-bit on the GeForce 9400M.

Feature	GeForce 8400M GS	GeForce 9400M
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	1 MB	1 MB

🖥️

Display & API Support

DirectX support: 10_0 (GeForce 8400M GS) vs 11.1 (FL10_0) (GeForce 9400M). OpenGL: 3.3 vs 3.3. Maximum simultaneous displays: 2 vs 2.

Feature	GeForce 8400M GS	GeForce 9400M
DirectX	10_0	11.1 (FL10_0)+11%
OpenGL	3.3	3.3
Max Displays	2	2

🎬

Media & Encoding

Decoder: PureVideo vs PureVideo HD (VP3). Supported codecs: H.264,MPEG-2,VC-1,WMV9 (GeForce 8400M GS) vs MPEG-2,VC-1,H.264 (GeForce 9400M).

Feature	GeForce 8400M GS	GeForce 9400M
Encoder	PureVideo	—
Decoder	PureVideo	PureVideo HD (VP3)
Codecs	H.264,MPEG-2,VC-1,WMV9	MPEG-2,VC-1,H.264

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Power & Dimensions

The GeForce 8400M GS draws 33W versus the GeForce 9400M's 33W — a 0% difference. The GeForce 9400M is more power-efficient. Recommended PSU: 350W (GeForce 8400M GS) vs 350W (GeForce 9400M). Power connectors: Legacy vs Legacy. Typical load temperature: 80°C vs 70°C.

Feature	GeForce 8400M GS	GeForce 9400M
TDP	33W	33W
Recommended PSU	350W	350W
Power Connector	Legacy	Legacy
Slots	0	0
Temp (Load)	80°C	70°C-13%
Perf/Watt	3.2+3%	3.1

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Value Analysis

The newer card here is GeForce 9400M (2015 vs 2014).

Feature	GeForce 8400M GS	GeForce 9400M
MSRP	$50	—
Codename	GM108	GM108
Release	March 12 2014	March 13 2015
Ranking	#854	#847

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