GeForce GT 645 vs GeForce GTX 460 v2

GeForce GT 645

2012Core: Up to 710 MHz

GeForce GTX 460 v2

2011Core: 779 MHz

Performance Spectrum - GPU

GeForce GT 645

2,006

0.0%

GeForce GTX 1650 Ti with Max-Q Design

2,016

+0.5%

GeForce GTX 1650 Ti with Max-Q Design

GeForce GTX 980

GeForce GTX 1080

TITAN V

About G3D Mark

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.

Value Upgrade Path

This is the official ChipVERSUS Value Rating, comparing raw performance (G3D Mark) per dollar. The GeForce GT 645 is positioned at rank #242 in our cost-efficiency ranking, representing a Lower cost-benefit for your build. Components placed above yours deliver better value for money.

MSRP is the manufacturer's suggested retail price.•
Avg price is the current average price collected from markets across the web.

Performance Per Dollar GeForce GT 645

#54

Radeon RX 6800S

MSRP: $800|Avg: $800

98%

#232

Radeon RX 550X (móvel)

MSRP: $35|Avg: $35

536%

#234

GeForce GTX 1070 with Max-Q Design

MSRP: N/A|Avg: $150

486%

#235

GeForce GTX 1060 with Max-Q Design

MSRP: N/A|Avg: $100

485%

#239

GeForce GTX 1050 (Mobile)

MSRP: N/A|Avg: $50

441%

#240

Radeon RX 6300

MSRP: $60|Avg: $40

438%

#242

GeForce GT 645

MSRP: $99|Avg: $15

100%

#252

GeForce 720A

MSRP: $30|Avg: $30

95%

#253

GeForce GT 520M

MSRP: $60|Avg: N/A

93%

#254

Radeon Vega 8 Ryzen 3 3200GE

MSRP: $99|Avg: $60

93%

#257

GeForce GTX 770M SLI

MSRP: N/A|Avg: $80

92%

Based on actual market prices and performance benchmarks.

Performance Per Dollar

Based on actual market prices and performance benchmarks.

Performance Comparison

About G3D Mark

🏆 Chipversus Verdict

🚀 Performance Leadership

The GeForce GTX 460 v2 is the superior choice for raw performance. It leads with a 0.5% higher G3D Mark score. However, the GeForce GT 645 offers more VRAM, which may be beneficial for texture-heavy scenarios at higher resolutions.

Insight	GeForce GT 645	GeForce GTX 460 v2
Performance	❌Lower raw frame rates (-0.5%)	✅Leading raw performance (+0.5%)
Longevity	🛑Obsolete Architecture (2012 / Kepler (2012−2018))	🛑Obsolete Architecture (2011 / Fermi 2.0 (2010−2014))
Ecosystem	Supports FSR Upscaling	Supports FSR Upscaling
VRAM	✅ More VRAM (+100%)	❌ Less VRAM capacity
Efficiency	💡 Excellent Perf/Watt	⚡ Higher Power Consumption
Case Fit	📏 Compact / SFF Friendly	📏 Compact / SFF Friendly

💎 Value Proposition

The GeForce GT 645 offers a compelling cost-to-performance ratio. While both GPUs are considered legacy components by modern standards, the GeForce GT 645 holds the technical lead. Priced at $15 (vs $50), it costs 70% less, resulting in a 231.7% higher cost efficiency score.

Insight	GeForce GT 645	GeForce GTX 460 v2
Cost Efficiency	✅Better overall value (+231.7%)	❌Lower cost efficiency
Upfront Cost	✅More affordable ($15)	⚠️Higher upfront cost ($50)

Performance Check

Real-world benchmarks and performance projections based on comprehensive hardware analysis and comparative metrics. Values represent expected performance on High/Ultra settings at 1080p, 1440p, and 4K. Modeled using a Ryzen 7 7800X3D reference profile to minimize specific CPU bottlenecks.

Note: Performance behavior can vary per game. Specific architectures may perform better or worse depending on game engine optimizations and API implementation.

GeForce GT 645 Benchmark Check

GeForce GTX 460 v2 Benchmark Check

Technical Specifications

Side-by-side comparison of GeForce GT 645 and GeForce GTX 460 v2

GeForce GT 645

The GeForce GT 645 is manufactured by NVIDIA. It was released in October 1 2012. It features the Kepler architecture. The core clock speed is 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.

GeForce GTX 460 v2

The GeForce GTX 460 v2 is manufactured by NVIDIA. It was released in September 24 2011. It features the Fermi 2.0 architecture. The core clock speed is 779 MHz. It has 336 shading units. The thermal design power (TDP) is 160W. Manufactured using 40 nm process technology. G3D Mark benchmark score: 2,016 points. Launch price was $199.

⚡

Graphics Performance

The GeForce GT 645 scores 2,006 and the GeForce GTX 460 v2 reaches 2,016 in the G3D Mark benchmark — just a 0.5% difference, making them near-identical in rasterization performance. The GeForce GT 645 is built on Kepler while the GeForce GTX 460 v2 uses Fermi 2.0, both on 28 nm vs 40 nm. Shader units: 384 (GeForce GT 645) vs 336 (GeForce GTX 460 v2). Raw compute: 0.5445 TFLOPS (GeForce GT 645) vs 1.046 TFLOPS (GeForce GTX 460 v2).

Feature	GeForce GT 645	GeForce GTX 460 v2
G3D Mark Score	2,006	2,016
Architecture	Kepler	Fermi 2.0
Process Node	28 nm	40 nm
Shading Units	384+14%	336
Compute (TFLOPS)	0.5445 TFLOPS	1.046 TFLOPS+92%
ROPs	16	24+50%
TMUs	32	56+75%
L1 Cache	32 KB	448 KB+1300%
L2 Cache	256 KB	384 KB+50%

✨

Advanced Features (DLSS/FSR)

Feature	GeForce GT 645	GeForce GTX 460 v2
Upscaling Tech	FSR 1.0 (Software)	FSR 2.1 (Compatible)
Frame Generation	Not Supported	FSR 3 (Compatible)
Ray Reconstruction	No	No
Low Latency	Standard	Standard

💾

Video Memory (VRAM)

The GeForce GT 645 comes with 2 GB of VRAM, while the GeForce GTX 460 v2 has 1 GB. The GeForce GT 645 offers 100% more capacity, crucial for higher resolutions and texture-heavy games. Bus width: 128-bit vs 128-bit. L2 Cache: 256 KB (GeForce GT 645) vs 384 KB (GeForce GTX 460 v2) — the GeForce GTX 460 v2 has significantly larger on-die cache to reduce VRAM reliance.

Feature	GeForce GT 645	GeForce GTX 460 v2
VRAM Capacity	2 GB+100%	1 GB
Memory Type	GDDR5	GDDR5
Memory Bandwidth	Unknown	Unknown
Bus Width	128-bit	128-bit
L2 Cache	256 KB	384 KB+50%

🖥️

Display & API Support

DirectX support: 12 (11_0) (GeForce GT 645) vs 12 (FL 11_0) (GeForce GTX 460 v2). OpenGL: 4.6 vs 4.1. Maximum simultaneous displays: 3 vs 2.

Feature	GeForce GT 645	GeForce GTX 460 v2
DirectX	12 (11_0)	12 (FL 11_0)
OpenGL	4.6+12%	4.1
Max Displays	3+50%	2

🎬

Media & Encoding

Hardware encoder: NVENC (1st Gen) (GeForce GT 645) vs Legacy (GeForce GTX 460 v2). Decoder: NVDEC (1st Gen) vs PureVideo VP4. Supported codecs: H.264,MPEG-2,VC-1 (GeForce GT 645) vs H.264,VC-1,MPEG-2,MPEG-4 ASP (GeForce GTX 460 v2).

Feature	GeForce GT 645	GeForce GTX 460 v2
Encoder	NVENC (1st Gen)	Legacy
Decoder	NVDEC (1st Gen)	PureVideo VP4
Codecs	H.264,MPEG-2,VC-1	H.264,VC-1,MPEG-2,MPEG-4 ASP

🔌

Power & Dimensions

The GeForce GT 645 draws 32W versus the GeForce GTX 460 v2's 160W — a 133.3% difference. The GeForce GT 645 is more power-efficient. Recommended PSU: 350W (GeForce GT 645) vs 450W (GeForce GTX 460 v2). Power connectors: PCIe-powered vs 2x 6-pin. Card length: 145mm vs 210mm, occupying 1 vs 2 slots.

Feature	GeForce GT 645	GeForce GTX 460 v2
TDP	32W-80%	160W
Recommended PSU	350W-22%	450W
Power Connector	PCIe-powered	2x 6-pin
Length	145mm	210mm
Height	111mm	111mm
Slots	1-50%	2
Temp (Load)	80	—
Perf/Watt	62.7+398%	12.6

💰

Value Analysis

The GeForce GT 645 launched at $99 MSRP and currently averages $15, while the GeForce GTX 460 v2 launched at $199 and now averages $50. The GeForce GT 645 costs 70% less ($35 savings) at current market prices. Performance per dollar (G3D Mark / price): 133.7 (GeForce GT 645) vs 40.3 (GeForce GTX 460 v2) — the GeForce GT 645 offers 231.8% better value. The GeForce GT 645 is the newer GPU (2012 vs 2011).