GeForce 8400M GT vs GeForce G 103M

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 GT vs GeForce G 103M 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 GT vs GeForce G 103M: 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 GT

2014

Why buy it

✅96.0% more average FPS across 50 tracked games in our benchmark data.
✅Delivers 100+% more G3D Mark for each dollar spent, at 1.3 vs 0 G3D/$ ($50 MSRP vs Unknown MSRP).

Trade-offs

❌Less VRAM, with 256 MB vs 512 MB for high-resolution textures and newer games.
❌2014 hardware with 256 MB of VRAM is already well past its comfortable zone for modern gaming, so it is hard to recommend now.

GeForce G 103M

2017

Why buy it

✅100% more VRAM for high-resolution textures and newer games (512 MB vs 256 MB).
✅More future proof: Pascal (2016−2021) on 14nm with a newer platform for upcoming games.

Trade-offs

❌Lower average FPS than GeForce 8400M GT across 50 tracked games in our benchmark data.
❌2017 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 1.3 G3D/$ (Unknown MSRP vs $50 MSRP).

Quick Answers

Which GPU is faster for gaming right now?

GeForce 8400M GT is the faster gaming card right now. In our data, it leads by 96.0% in average FPS across 50 tracked games in our benchmark data and by 6.3% in PassMark G3D (67 vs 63), so the answer here is pretty clean.

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

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

GeForce 8400M GT vs GeForce G 103M Technical Specifications

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

GeForce 8400M GT

The GeForce 8400M GT 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: 67 points.

GeForce G 103M

The GeForce G 103M is manufactured by NVIDIA. It was released in May 17 2017. It features the Pascal architecture. The core clock ranges from 1228 MHz to 1468 MHz. It has 384 shading units. The thermal design power (TDP) is 30W. Manufactured using 14 nm process technology. G3D Mark benchmark score: 63 points. Launch price was $79.

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Graphics Performance

In G3D Mark, the GeForce 8400M GT scores 67 versus the GeForce G 103M's 63 — the GeForce 8400M GT leads by 6.3%. The GeForce 8400M GT is built on Maxwell while the GeForce G 103M uses Pascal, both on 28 nm vs 14 nm. Shader units: 384 (GeForce 8400M GT) vs 384 (GeForce G 103M). Raw compute: 0.8632 TFLOPS (GeForce 8400M GT) vs 1.127 TFLOPS (GeForce G 103M). Boost clocks: 1124 MHz vs 1468 MHz.

Feature	GeForce 8400M GT	GeForce G 103M
G3D Mark Score	67+6%	63
Architecture	Maxwell	Pascal
Process Node	28 nm	14 nm
Shading Units	384	384
Compute (TFLOPS)	0.8632 TFLOPS	1.127 TFLOPS+31%
Boost Clock	1124 MHz	1468 MHz+31%
ROPs	8	16+100%
TMUs	16	24+50%
L1 Cache	192 KB+33%	144 KB
L2 Cache	1 MB+100%	0.5 MB

✨

Advanced Features (DLSS/FSR)

Feature	GeForce 8400M GT	GeForce G 103M
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 GT has 256 MB of VRAM, while the GeForce G 103M carries 512 MB. GeForce G 103M gives you 100% 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 GT and 128-bit on the GeForce G 103M. L2 Cache: 1 MB (GeForce 8400M GT) vs 0.5 MB (GeForce G 103M) — the GeForce 8400M GT has significantly larger on-die cache to reduce VRAM reliance.

Feature	GeForce 8400M GT	GeForce G 103M
VRAM Capacity	0.25 GB	0.5 GB+100%
Memory Type	GDDR5	GDDR5
Memory Bandwidth	Unknown	Unknown
Bus Width	128-bit	128-bit
L2 Cache	1 MB+100%	0.5 MB

🖥️

Display & API Support

DirectX support: 10.0 (GeForce 8400M GT) vs 10.0 (GeForce G 103M). Vulkan: None vs None. OpenGL: 3.3 vs 3.3. Maximum simultaneous displays: 1 vs 1.

Feature	GeForce 8400M GT	GeForce G 103M
DirectX	10.0	10.0
Vulkan	None	None
OpenGL	3.3	3.3
Max Displays	1	1

🎬

Media & Encoding

Hardware encoder: No (GeForce 8400M GT) vs No (GeForce G 103M). Decoder: PureVideo HD VP2 vs PureVideo HD VP3. Supported codecs: MPEG-2,H.264,VC-1 (GeForce 8400M GT) vs MPEG-2,H.264,VC-1 (GeForce G 103M).

Feature	GeForce 8400M GT	GeForce G 103M
Encoder	No	No
Decoder	PureVideo HD VP2	PureVideo HD VP3
Codecs	MPEG-2,H.264,VC-1	MPEG-2,H.264,VC-1

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Power & Dimensions

The GeForce 8400M GT draws 33W versus the GeForce G 103M's 30W — a 9.5% difference. The GeForce G 103M is more power-efficient. Recommended PSU: 350W (GeForce 8400M GT) vs 350W (GeForce G 103M). Power connectors: Legacy vs Legacy. Card length: 0mm vs 0mm, occupying 0 vs 0 slots. Typical load temperature: 75°C vs 75°C.

Feature	GeForce 8400M GT	GeForce G 103M
TDP	33W	30W-9%
Recommended PSU	350W	350W
Power Connector	Legacy	Legacy
Length	0mm	0mm
Height	0mm	0mm
Slots	0	0
Temp (Load)	75°C	75°C
Perf/Watt	2.0	2.1+5%

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Value Analysis

The newer card here is GeForce G 103M (2017 vs 2014).

Feature	GeForce 8400M GT	GeForce G 103M
MSRP	$50	—
Codename	GM108	GP108
Release	March 12 2014	May 17 2017
Ranking	#854	#641

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