GeForce 8400M G vs GeForce GT 320M

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 G vs GeForce GT 320M 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 G vs GeForce GT 320M: 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 G

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

❌Lower average FPS than GeForce GT 320M across 50 tracked games in our benchmark data.
❌Less VRAM, with 128 MB vs 1 GB 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 GT 320M

2017

Why buy it

✅48.0% more average FPS across 50 tracked games in our benchmark data.
✅700% more VRAM for high-resolution textures and newer games (1 GB vs 128 MB).
✅More future proof: Pascal (2016−2021) on 14nm with a newer platform for upcoming games.

Trade-offs

❌2017 hardware with 1 GB 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 GT 320M is the faster gaming card right now. In our data, it leads by 48.0% in average FPS across 50 tracked games in our benchmark data and by 8.6% in PassMark G3D (114 vs 105), so the answer here is pretty clean.

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

GeForce 8400M G 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 G makes the most sense today based on the pricing and value data we have for this matchup. GeForce GT 320M still makes more sense if max raw gaming performance matters more than value.

GeForce 8400M G vs GeForce GT 320M Technical Specifications

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

GeForce 8400M G

The GeForce 8400M G 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: 105 points.

GeForce GT 320M

The GeForce GT 320M 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: 114 points. Launch price was $79.

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Graphics Performance

In G3D Mark, the GeForce 8400M G scores 105 versus the GeForce GT 320M's 114 — the GeForce GT 320M leads by 8.6%. The GeForce 8400M G is built on Maxwell while the GeForce GT 320M uses Pascal, both on 28 nm vs 14 nm. Shader units: 384 (GeForce 8400M G) vs 384 (GeForce GT 320M). Raw compute: 0.8632 TFLOPS (GeForce 8400M G) vs 1.127 TFLOPS (GeForce GT 320M). Boost clocks: 1124 MHz vs 1468 MHz.

Feature	GeForce 8400M G	GeForce GT 320M
G3D Mark Score	105	114+9%
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

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Advanced Features (DLSS/FSR)

Feature	GeForce 8400M G	GeForce GT 320M
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 G has 128 MB of VRAM, while the GeForce GT 320M carries 1 GB. GeForce GT 320M gives you 700% 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 G and 64-bit on the GeForce GT 320M. L2 Cache: 1 MB (GeForce 8400M G) vs 0.5 MB (GeForce GT 320M) — the GeForce 8400M G has significantly larger on-die cache to reduce VRAM reliance.

Feature	GeForce 8400M G	GeForce GT 320M
VRAM Capacity	0.125 GB	1 GB+700%
Memory Type	GDDR5	GDDR5
Memory Bandwidth	Unknown	Unknown
Bus Width	128-bit+100%	64-bit
L2 Cache	1 MB+100%	0.5 MB

🖥️

Display & API Support

DirectX support: 11.1 (GeForce 8400M G) vs 11.1 (FL10_1) (GeForce GT 320M). OpenGL: 3.3 vs 3.3. Maximum simultaneous displays: 2 vs 2.

Feature	GeForce 8400M G	GeForce GT 320M
DirectX	11.1	11.1 (FL10_1)
OpenGL	3.3	3.3
Max Displays	2	2

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Media & Encoding

Hardware encoder: PureVideo HD (GeForce 8400M G) vs VP4 (GeForce GT 320M). Decoder: PureVideo HD vs VP4. Supported codecs: MPEG-2,H.264 (GeForce 8400M G) vs H.264,VC-1,MPEG-2,MPEG-4 (GeForce GT 320M).

Feature	GeForce 8400M G	GeForce GT 320M
Encoder	PureVideo HD	VP4
Decoder	PureVideo HD	VP4
Codecs	MPEG-2,H.264	H.264,VC-1,MPEG-2,MPEG-4

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Power & Dimensions

The GeForce 8400M G draws 33W versus the GeForce GT 320M's 30W — a 9.5% difference. The GeForce GT 320M is more power-efficient. Recommended PSU: 350W (GeForce 8400M G) vs 350W (GeForce GT 320M). Power connectors: Legacy vs PCIe-powered. Typical load temperature: 75°C vs 80°C.

Feature	GeForce 8400M G	GeForce GT 320M
TDP	33W	30W-9%
Recommended PSU	350W	350W
Power Connector	Legacy	PCIe-powered
Length	—	0mm
Height	—	0mm
Slots	0	0
Temp (Load)	75°C-6%	80°C
Perf/Watt	3.2	3.8+19%

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Value Analysis

The newer card here is GeForce GT 320M (2017 vs 2014).

Feature	GeForce 8400M G	GeForce GT 320M
MSRP	$50	—
Codename	GM108	GP108
Release	March 12 2014	May 17 2017
Ranking	#854	#641

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