GeForce 840M vs GeForce 940M

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 940M 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 940M: 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

✅155.6% more average FPS across 23 tracked games in our benchmark data.

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 940M

2015

Why buy it

✅More future proof: Maxwell (2014−2017) on 28nm with a newer platform for upcoming games.

Trade-offs

❌Lower average FPS than GeForce 840M across 23 tracked games in our benchmark data.
❌2015 hardware with 2 GB of VRAM is already well past its comfortable zone for modern gaming, so it is hard to recommend now.

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 155.6% in average FPS across 23 tracked games in our benchmark data. PassMark G3D leans toward GeForce 940M instead at 1,133 vs 1,100, so for this question the real-game FPS result matters more than the synthetic split.

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

GeForce 840M 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 940M makes the most sense today based on the pricing and value data we have for this matchup. If you are mainly targeting 1080p and some 1440p, GeForce 940M is the easier value choice. If you care more about 1080p and some 1440p headroom, GeForce 840M has the stronger long-term case.

GeForce 840M vs GeForce 940M 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 940M

The GeForce 940M 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: 1,133 points.

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Graphics Performance

The GeForce 840M scores 1,100 and the GeForce 940M reaches 1,133 in the G3D Mark benchmark — just a 3% difference, making them near-identical in rasterization performance. The GeForce 840M is built on Maxwell while the GeForce 940M uses Maxwell, both on a 28 nm process. Shader units: 384 (GeForce 840M) vs 384 (GeForce 940M). Raw compute: 0.8632 TFLOPS (GeForce 840M) vs 0.9032 TFLOPS (GeForce 940M). Boost clocks: 1124 MHz vs 1176 MHz.

Feature	GeForce 840M	GeForce 940M
G3D Mark Score	1,100	1,133+3%
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 840M	GeForce 940M
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)

Both cards ship with 2 GB of GDDR5. Memory bus width is 128-bit on the GeForce 840M and 128-bit on the GeForce 940M.

Feature	GeForce 840M	GeForce 940M
VRAM Capacity	2 GB	2 GB
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: 11.0 (GeForce 840M) vs 12 (11_0) (GeForce 940M). Vulkan: 1.2 vs 1.1. OpenGL: 4.5 vs 4.6. Maximum simultaneous displays: 1 vs 4.

Feature	GeForce 840M	GeForce 940M
DirectX	11.0	12 (11_0)+9%
Vulkan	1.2+9%	1.1
OpenGL	4.5	4.6+2%
Max Displays	1	4+300%

🎬

Media & Encoding

Hardware encoder: NVENC 2.0 (GeForce 840M) vs NVENC (Maxwell) (GeForce 940M). Decoder: PureVideo HD VP6 vs PureVideo HD (VP6). Supported codecs: MPEG-2,H.264,VC-1,MPEG-4 ASP,H.265 (GeForce 840M) vs H.264,H.265,VP9 (GeForce 940M).

Feature	GeForce 840M	GeForce 940M
Encoder	NVENC 2.0	NVENC (Maxwell)
Decoder	PureVideo HD VP6	PureVideo HD (VP6)
Codecs	MPEG-2,H.264,VC-1,MPEG-4 ASP,H.265	H.264,H.265,VP9

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Power & Dimensions

The GeForce 840M draws 33W versus the GeForce 940M's 33W — a 0% difference. The GeForce 940M is more power-efficient. Recommended PSU: 350W (GeForce 840M) vs 350W (GeForce 940M). Power connectors: Legacy vs Legacy. Card length: 0mm vs 0mm, occupying 0 vs 0 slots. Typical load temperature: 75°C vs 75.