GeForce GT 640 vs Quadro K620M

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.

Performance Comparison

About G3D Mark

G3D Mark Score

1169

G3D Mark Score

1159

Performance Difference

GeForce GT 640 is 0.9% faster than Quadro K620M

VRAM & Game Performance

VRAM (Video RAM) is dedicated memory on your graphics card that stores textures, frame buffers, and game assets. Higher VRAM allows for sharper textures at high resolutions (1440p/4K) and prevents stuttering in modern AAA games. 8GB is minimum for 1080p, 12GB+ recommended for 1440p, and 16GB+ for 4K gaming.

GeForce GT 6404096 MB

016GB32GB

1080pLimited

low27%

medium10%

high4%

ultra4%

1440pLimited

low10%

medium4%

high4%

ultra4%

4KLimited

low4%

medium4%

high4%

ultra4%

📊 Performance Analysis

4 GB VRAM · 1,169 G3D Mark (entry-level)

1080pLimited. Older/lighter games only.

1440pNot recommended. Use 1080p.

4KNot viable. Use lower resolution or heavy upscaling.

⚡Ray Tracing: RT not recommended. Keep disabled for playable FPS.

🚀Upscaling: Performance mode: +50-70% FPS, noticeable quality loss.

Quadro K620MN/A

016GB32GB

VRAM data unavailable

Benchmarks & Performance Comparison

In this GPU comparison, GeForce GT 640 performs 0.9% better in benchmarks. Below you'll find detailed performance analysis, gaming benchmarks, power consumption data, and specifications to help you decide between GeForce GT 640 and Quadro K620M.

Both graphics cards are popular choices for gaming. When comparing GPUs, consider VRAM capacity, ray tracing performance, power requirements, and price-to-performance ratio for your target gaming resolution (1080p, 1440p, or 4K).

Technical Specifications

Detailed hardware specifications for GeForce GT 640 and Quadro K620M

GeForce GT 640

The GeForce GT 640 is manufactured by NVIDIA. It was released in June 5 2012. It features the Kepler architecture. Core clock: 902 MHz. It has 384 shading units. The thermal design power (TDP) is 65W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 1,169 points. Launch price was $99.

Technical Specifications

ROPs:16

TMUs:32

Vram:4096 MB

L1 Cache:32 kB

L2 Cache:256 kB

Core Clock:902 MHz

Shading Units:384

Transistor Count:1,270 million

Texture Fill Rate:28.86

Manufacturing Process:28 nm

Power Consumption (TDP):65 Watt

Floating Point Performance:0.6927 TFLOPS

General Information

Codename:GK107

Architecture:Kepler (2012−2018)

Launch Price:$99

Release Date:June 5 2012

Performance Ranking Position:837

Quadro K620M

The Quadro K620M is manufactured by NVIDIA. It was released in March 1 2015. 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 30W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 1,159 points.