Radeon HD 6850 vs GeForce GT 645

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

1938

G3D Mark Score

2006

Performance Difference

GeForce GT 645 is 3.5% faster than Radeon HD 6850

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.

Radeon HD 68501024 MB

016GB32GB

1080pLimited

low14%

medium4%

high4%

ultra4%

1440pLimited

low4%

medium4%

high4%

ultra4%

4KLimited

low4%

medium4%

high4%

ultra4%

📊 Performance Analysis

1 GB VRAM · 1,938 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.

GeForce GT 645N/A

016GB32GB

VRAM data unavailable

Benchmarks & Performance Comparison

In this GPU comparison, GeForce GT 645 performs 3.5% better in benchmarks. Below you'll find detailed performance analysis, gaming benchmarks, power consumption data, and specifications to help you decide between Radeon HD 6850 and GeForce GT 645.

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 Radeon HD 6850 and GeForce GT 645

Radeon HD 6850

The Radeon HD 6850 is manufactured by AMD. It was released in October 21 2010. It features the TeraScale 2 architecture. It has 960 shading units. The thermal design power (TDP) is 127W. Manufactured using 40 nm process technology. G3D Mark benchmark score: 1,938 points. Launch price was $179.

Technical Specifications

ROPs:32

TMUs:48

Vram:1024 MB

L1 Cache:192 kB

L2 Cache:512 kB

Shading Units:960

Transistor Count:1,700 million

Texture Fill Rate:37.20

Manufacturing Process:40 nm

Power Consumption (TDP):127 Watt

Floating Point Performance:1.488 TFLOPS

General Information

Design:reference

Codename:Barts

Architecture:TeraScale 2 (2009−2015)

Launch Price:$179

Release Date:October 21 2010

Performance Ranking Position:692

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.