GeForce 840M vs GeForce GTX 850M

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 840M vs GeForce GTX 850M - MODDED 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 840M vs GeForce GTX 850M - MODDED: 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 840M

2014

Why buy it

✅164.9% more average FPS across 36 tracked games in our benchmark data.
✅300% more VRAM for high-resolution textures and newer games (2 GB vs 512 MB).
✅Draws 33W instead of 45W, a 12W reduction.

Trade-offs

❌2014 hardware with 2 GB of VRAM is already well past its comfortable zone for modern gaming, so it is hard to recommend now.

GeForce GTX 850M - MODDED

2014

Why buy it

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

Trade-offs

❌Lower average FPS than GeForce 840M across 36 tracked games in our benchmark data.
❌Less VRAM, with 512 MB vs 2 GB for high-resolution textures and newer games.
❌2014 hardware with 512 MB of VRAM is already well past its comfortable zone for modern gaming, so it is hard to recommend now.
❌36.4% higher power demand at 45W vs 33W.

Quick Answers

Which GPU is faster for gaming right now?

GeForce 840M is the faster gaming card right now. In our data, it leads by 164.9% in average FPS across 36 tracked games in our benchmark data and by 0.7% in PassMark G3D (1,100 vs 1,092), so the answer here is pretty clean.

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

GeForce 840M is the safer long-term pick for 2026 and beyond. The case is simple: 2 GB vs 512 MB of VRAM. That gives it more room for heavier textures and higher settings over time.

Which GPU is the better buy today?

GeForce 840M makes the most sense today based on the pricing and value data we have for this matchup.

GeForce 840M vs GeForce GTX 850M - MODDED Technical Specifications

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

GeForce 840M

The GeForce 840M 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: 1,100 points.

GeForce GTX 850M - MODDED

The GeForce GTX 850M - MODDED is manufactured by NVIDIA. It was released in March 12 2014. It features the Maxwell architecture. The core clock speed is Up to 936 MHz. It has 640 shading units. The thermal design power (TDP) is 45W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 1,092 points.

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Graphics Performance

The GeForce 840M scores 1,100 and the GeForce GTX 850M - MODDED reaches 1,092 in the G3D Mark benchmark — just a 0.7% difference, making them near-identical in rasterization performance. The GeForce 840M is built on Maxwell while the GeForce GTX 850M - MODDED uses Maxwell, both on a 28 nm process. Shader units: 384 (GeForce 840M) vs 640 (GeForce GTX 850M - MODDED). Raw compute: 0.8632 TFLOPS (GeForce 840M) vs 1.155 TFLOPS (GeForce GTX 850M - MODDED).

Feature	GeForce 840M	GeForce GTX 850M - MODDED
G3D Mark Score	1,100	1,092
Architecture	Maxwell	Maxwell
Process Node	28 nm	28 nm
Shading Units	384	640+67%
Compute (TFLOPS)	0.8632 TFLOPS	1.155 TFLOPS+34%
ROPs	8	16+100%
TMUs	16	40+150%
L1 Cache	192 KB	320 KB+67%
L2 Cache	1 MB	2 MB+100%

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Advanced Features (DLSS/FSR)

Feature	GeForce 840M	GeForce GTX 850M - MODDED
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 840M has 2 GB of VRAM, while the GeForce GTX 850M - MODDED carries 512 MB. GeForce 840M 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 840M and 128-bit on the GeForce GTX 850M - MODDED. L2 Cache: 1 MB (GeForce 840M) vs 2 MB (GeForce GTX 850M - MODDED) — the GeForce GTX 850M - MODDED has significantly larger on-die cache to reduce VRAM reliance.

Feature	GeForce 840M	GeForce GTX 850M - MODDED
VRAM Capacity	2 GB+300%	0.5 GB
Memory Type	GDDR5	GDDR5
Memory Bandwidth	Unknown	Unknown
Bus Width	128-bit	128-bit
L2 Cache	1 MB	2 MB+100%

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Power & Dimensions

The GeForce 840M draws 33W versus the GeForce GTX 850M - MODDED's 45W — a 30.8% difference. The GeForce 840M is more power-efficient. Recommended PSU: 350W (GeForce 840M) vs 350W (GeForce GTX 850M - MODDED). Power connectors: Legacy vs PCIe-powered.