GeForce GT 645 vs Radeon HD 5850

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

2006

G3D Mark Score

1955

Performance Difference

GeForce GT 645 is 2.6% faster than Radeon HD 5850

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 645N/A

016GB32GB

VRAM data unavailable

Radeon HD 58502048 MB

016GB32GB

1080pLimited

low14%

medium4%

high4%

ultra4%

1440pLimited

low4%

medium4%

high4%

ultra4%

4KLimited

low4%

medium4%

high4%

ultra4%

📊 Performance Analysis

2 GB VRAM · 1,955 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.

Benchmarks & Performance Comparison

In this GPU comparison, GeForce GT 645 performs 2.6% better in benchmarks. Below you'll find detailed performance analysis, gaming benchmarks, power consumption data, and specifications to help you decide between GeForce GT 645 and Radeon HD 5850.

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 645 and Radeon HD 5850

GeForce GT 645

The GeForce GT 645 is manufactured by NVIDIA. It was released in October 1 2012. It features the Kepler architecture. Core clock: Up to 710 MHz. It has 384 shading units. The thermal design power (TDP) is 32W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 2,006 points.

Technical Specifications

ROPs:16

TMUs:32

Vram:null

L1 Cache:32 kB

L2 Cache:256 kB

Core Clock:Up to 710 MHz

Shading Units:384

Transistor Count:1,270 million

Texture Fill Rate:22.69

Manufacturing Process:28 nm

Power Consumption (TDP):32 Watt

Floating Point Performance:0.5445 TFLOPS

General Information

Codename:GK107

Architecture:Kepler (2012−2018)

Release Date:October 1 2012

Performance Ranking Position:903

Radeon HD 5850

The Radeon HD 5850 is manufactured by AMD. It was released in September 30 2009. It features the TeraScale 2 architecture. Core clock: 725 MHz. It has 1440 shading units. The thermal design power (TDP) is 151W. Manufactured using 40 nm process technology. G3D Mark benchmark score: 1,955 points. Launch price was $299.