GeForce 840A 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 840A 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 840A 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 840A

2014

Why buy it

✅64.4% more average FPS across 50 tracked games in our benchmark data.
✅Delivers 100+% more G3D Mark for each dollar spent, at 11.2 vs 0 G3D/$ ($100 MSRP vs Unknown MSRP).
✅Draws 33W instead of 45W, a 12W reduction.

Trade-offs

❌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.

GeForce GT 745M

2013

Why buy it

✅300% more VRAM for high-resolution textures and newer games (2 GB vs 512 MB).

Trade-offs

❌Lower average FPS than GeForce 840A across 50 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.
❌Lower G3D Mark per dollar, at 0 vs 11.2 G3D/$ (Unknown MSRP vs $100 MSRP).
❌36.4% higher power demand at 45W vs 33W.

Quick Answers

Which GPU is faster for gaming right now?

GeForce 840A is the faster gaming card right now. In our data, it leads by 64.4% in average FPS across 50 tracked games in our benchmark data and by 3.1% in PassMark G3D (1,115 vs 1,081), so the answer here is pretty clean.

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

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

GeForce 840A vs GeForce GT 745M Technical Specifications

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

GeForce 840A

The GeForce 840A is manufactured by NVIDIA. It was released in March 17 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: 1,115 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.

⚡

Graphics Performance

The GeForce 840A scores 1,115 and the GeForce GT 745M reaches 1,081 in the G3D Mark benchmark — just a 3.1% difference, making them near-identical in rasterization performance. The GeForce 840A is built on Maxwell while the GeForce GT 745M uses Kepler, both on a 28 nm process. Shader units: 384 (GeForce 840A) vs 384 (GeForce GT 745M). Raw compute: 0.8632 TFLOPS (GeForce 840A) vs 0.4216 TFLOPS (GeForce GT 745M).

Feature	GeForce 840A	GeForce GT 745M
G3D Mark Score	1,115+3%	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

✨

Advanced Features (DLSS/FSR)

Feature	GeForce 840A	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

💾

Video Memory (VRAM)

The GeForce 840A has 512 MB of VRAM, while the GeForce GT 745M carries 2 GB. GeForce GT 745M 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 840A and 64-bit on the GeForce GT 745M. L2 Cache: 1 MB (GeForce 840A) vs 0.25 MB (GeForce GT 745M) — the GeForce 840A has significantly larger on-die cache to reduce VRAM reliance.

Feature	GeForce 840A	GeForce GT 745M
VRAM Capacity	0.5 GB	2 GB+300%
Memory Type	GDDR5	GDDR5
Memory Bandwidth	Unknown	Unknown
Bus Width	128-bit+100%	64-bit
L2 Cache	1 MB+300%	0.25 MB

🖥️

Display & API Support

DirectX support: 12 (11_0) (GeForce 840A) vs 11.0 (GeForce GT 745M). Vulkan: 1.1 vs 1.2. OpenGL: 4.5 vs 4.2. Maximum simultaneous displays: 3 vs 1.

Feature	GeForce 840A	GeForce GT 745M
DirectX	12 (11_0)+9%	11.0
Vulkan	1.1	1.2+9%
OpenGL	4.5+7%	4.2
Max Displays	3+200%	1

🎬

Media & Encoding

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

Feature	GeForce 840A	GeForce GT 745M
Encoder	NVENC (Maxwell)	NVENC 1.0
Decoder	NVDEC (Maxwell)	PureVideo HD VP5
Codecs	H.264,VC-1,MPEG-2	MPEG-2,H.264,VC-1,MPEG-4 ASP,H.265

🔌

Power & Dimensions

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

Feature	GeForce 840A	GeForce GT 745M
TDP	33W-27%	45W
Recommended PSU	350W	350W
Power Connector	Legacy	PCIe-powered
Length	—	0mm
Height	—	0mm
Slots	—	0
Temp (Load)	75°C	75°C
Perf/Watt	33.8+41%	24.0

💰

Value Analysis

The newer card here is GeForce 840A (2014 vs 2013).

Feature	GeForce 840A	GeForce GT 745M
MSRP	$100	—
Codename	GM108	GK107
Release	March 17 2014	April 1 2013
Ranking	#850	#857

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