GeForce GT 640M vs GRID P40-6Q

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 GT 640M vs GRID P40-6Q 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 GT 640M vs GRID P40-6Q: 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 GT 640M

2012

Why buy it

✅300% more VRAM for high-resolution textures and newer games (2 GB vs 512 MB).
✅Draws 32W instead of 225W, a 193W reduction.

Trade-offs

❌2012 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 0.3 G3D/$ (Unknown MSRP vs $3,000 MSRP).

GRID P40-6Q

2013

Why buy it

✅Delivers 100+% more G3D Mark for each dollar spent, at 0.3 vs 0 G3D/$ ($3,000 MSRP vs Unknown MSRP).

Trade-offs

❌Less VRAM, with 512 MB vs 2 GB for high-resolution textures and newer games.
❌2013 hardware with 512 MB of VRAM is already well past its comfortable zone for modern gaming, so it is hard to recommend now.
❌603.1% higher power demand at 225W vs 32W.

Quick Answers

Which GPU is faster for gaming right now?

GeForce GT 640M is the faster gaming card right now based on the synthetic data we have. It leads by 0.2% in PassMark G3D (907 vs 905), which is the best performance signal available in this matchup.

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

GeForce GT 640M 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?

GRID P40-6Q 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, GRID P40-6Q is the easier value choice. If you care more about 1080p and some 1440p headroom, GeForce GT 640M has the stronger long-term case.

GeForce GT 640M vs GRID P40-6Q Technical Specifications

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

GeForce GT 640M

The GeForce GT 640M is manufactured by NVIDIA. It was released in March 22 2012. It features the Kepler architecture. The core clock ranges from Up to 625 MHz to 645 MHz. It has 384 shading units. The thermal design power (TDP) is 32W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 907 points.

GRID P40-6Q

The GRID P40-6Q is manufactured by NVIDIA. It was released in June 28 2013. It features the Kepler architecture. The core clock speed is 745 MHz. It has 1536 shading units. The thermal design power (TDP) is 225W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 905 points. Launch price was $469.

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Graphics Performance

The GeForce GT 640M scores 907 and the GRID P40-6Q reaches 905 in the G3D Mark benchmark — just a 0.2% difference, making them near-identical in rasterization performance. The GeForce GT 640M is built on Kepler while the GRID P40-6Q uses Kepler, both on a 28 nm process. Shader units: 384 (GeForce GT 640M) vs 1,536 (GRID P40-6Q). Raw compute: 0.48 TFLOPS (GeForce GT 640M) vs 2.289 TFLOPS (GRID P40-6Q).

Feature	GeForce GT 640M	GRID P40-6Q
G3D Mark Score	907	905
Architecture	Kepler	Kepler
Process Node	28 nm	28 nm
Shading Units	384	1536+300%
Compute (TFLOPS)	0.48 TFLOPS	2.289 TFLOPS+377%
ROPs	16	32+100%
TMUs	32	128+300%
L1 Cache	32 KB	128 KB+300%
L2 Cache	256 KB	512 KB+100%

✨

Advanced Features (DLSS/FSR)

The GeForce GT 640M gets NVIDIA DLSS, which still tends to look cleaner in motion. The GRID P40-6Q leans on FSR, which is flexible and widely supported, but usually a bit rougher at the same settings.

Feature	GeForce GT 640M	GRID P40-6Q
Upscaling Tech	Upscaling support	Upscaling support
Frame Generation	Not Supported	Not Supported
Ray Reconstruction	No	No
Low Latency	NVIDIA Reflex	Standard

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Video Memory (VRAM)

The GeForce GT 640M has 2 GB of VRAM, while the GRID P40-6Q carries 512 MB. GeForce GT 640M 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 GT 640M and 64-bit on the GRID P40-6Q. L2 Cache: 256 KB (GeForce GT 640M) vs 512 KB (GRID P40-6Q) — the GRID P40-6Q has significantly larger on-die cache to reduce VRAM reliance.

Feature	GeForce GT 640M	GRID P40-6Q
VRAM Capacity	2 GB+300%	0.5 GB
Memory Type	GDDR5	GDDR5
Bus Width	128-bit+100%	64-bit
L2 Cache	256 KB	512 KB+100%

🖥️

Display & API Support

DirectX support: 11.0 (GeForce GT 640M) vs 12_1 (GRID P40-6Q). Maximum simultaneous displays: 1 vs 0.

Feature	GeForce GT 640M	GRID P40-6Q
DirectX	11.0	12_1+9%
Max Displays	1	0

🔌

Power & Dimensions

The GeForce GT 640M draws 32W versus the GRID P40-6Q's 225W — a 150.2% difference. The GeForce GT 640M is more power-efficient. Recommended PSU: 350W (GeForce GT 640M) vs 350W (GRID P40-6Q). Power connectors: PCIe-powered vs PCIe-powered. Card length: 0mm vs 1mm, occupying 0 vs 0 slots.

Feature	GeForce GT 640M	GRID P40-6Q
TDP	32W-86%	225W
Recommended PSU	350W	350W
Power Connector	PCIe-powered	PCIe-powered
Length	0mm	1mm
Height	0mm	—
Slots	0	0
Temp (Load)	70°C	—
Perf/Watt	28.3+608%	4.0

💰

Value Analysis

The newer card here is GRID P40-6Q (2013 vs 2012).

Feature	GeForce GT 640M	GRID P40-6Q
MSRP	—	$3000
Codename	GK107	GK104
Release	March 22 2012	June 28 2013
Ranking	#909	#628

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