GeForce 840M vs GeForce GT 745M

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 GT 745M 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 GT 745M: 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

✅392.2% more average FPS across 35 tracked games in our benchmark data.
✅Draws 33W instead of 45W, a 12W reduction.
✅More future proof: Maxwell (2014−2017) on 28nm with a newer platform for upcoming games.

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 GT 745M

2013

Why buy it

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

Trade-offs

❌Lower average FPS than GeForce 840M across 35 tracked games in our benchmark data.
❌2013 hardware with 2 GB 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 392.2% in average FPS across 35 tracked games in our benchmark data and by 1.8% in PassMark G3D (1,100 vs 1,081), 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: a newer 2014 generation instead of 2013. That makes it the less risky pick as game demands keep moving.

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 GT 745M 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 GT 745M

The GeForce GT 745M is manufactured by NVIDIA. It was released in April 1 2013. It features the Kepler architecture. The core clock speed is 549 MHz. It has 384 shading units. The thermal design power (TDP) is 45W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 1,081 points.

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Graphics Performance

The GeForce 840M scores 1,100 and the GeForce GT 745M reaches 1,081 in the G3D Mark benchmark — just a 1.8% difference, making them near-identical in rasterization performance. The GeForce 840M is built on Maxwell while the GeForce GT 745M uses Kepler, both on a 28 nm process. Shader units: 384 (GeForce 840M) vs 384 (GeForce GT 745M). Raw compute: 0.8632 TFLOPS (GeForce 840M) vs 0.4216 TFLOPS (GeForce GT 745M).

Feature	GeForce 840M	GeForce GT 745M
G3D Mark Score	1,100+2%	1,081
Architecture	Maxwell	Kepler
Process Node	28 nm	28 nm
Shading Units	384	384
Compute (TFLOPS)	0.8632 TFLOPS+105%	0.4216 TFLOPS
ROPs	8	16+100%
TMUs	16	32+100%
L1 Cache	192 KB+500%	32 KB
L2 Cache	1 MB+300%	0.25 MB

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Advanced Features (DLSS/FSR)

Feature	GeForce 840M	GeForce GT 745M
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 64-bit on the GeForce GT 745M. L2 Cache: 1 MB (GeForce 840M) vs 0.25 MB (GeForce GT 745M) — the GeForce 840M has significantly larger on-die cache to reduce VRAM reliance.

Feature	GeForce 840M	GeForce GT 745M
VRAM Capacity	2 GB	2 GB
Memory Type	GDDR5	GDDR5
Memory Bandwidth	Unknown	Unknown
Bus Width	128-bit+100%	64-bit
L2 Cache	1 MB+300%	0.25 MB

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Display & API Support

DirectX support: 11.0 (GeForce 840M) vs 11.0 (GeForce GT 745M). Vulkan: 1.2 vs 1.2. OpenGL: 4.5 vs 4.2. Maximum simultaneous displays: 1 vs 1.

Feature	GeForce 840M	GeForce GT 745M
DirectX	11.0	11.0
Vulkan	1.2	1.2
OpenGL	4.5+7%	4.2
Max Displays	1	1

🎬

Media & Encoding

Hardware encoder: NVENC 2.0 (GeForce 840M) vs NVENC 1.0 (GeForce GT 745M). Decoder: PureVideo HD VP6 vs PureVideo HD VP5. Supported codecs: MPEG-2,H.264,VC-1,MPEG-4 ASP,H.265 (GeForce 840M) vs MPEG-2,H.264,VC-1,MPEG-4 ASP,H.265 (GeForce GT 745M).

Feature	GeForce 840M	GeForce GT 745M
Encoder	NVENC 2.0	NVENC 1.0
Decoder	PureVideo HD VP6	PureVideo HD VP5
Codecs	MPEG-2,H.264,VC-1,MPEG-4 ASP,H.265	MPEG-2,H.264,VC-1,MPEG-4 ASP,H.265

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Power & Dimensions

The GeForce 840M draws 33W versus the GeForce GT 745M's 45W — a 30.8% difference. The GeForce 840M is more power-efficient. Recommended PSU: 350W (GeForce 840M) vs 350W (GeForce GT 745M). Power connectors: Legacy vs PCIe-powered. Card length: 0mm vs 0mm, occupying 0 vs 0 slots. Typical load temperature: 75°C vs 75°C.