GeForce GTX 460 v2
VS
GeForce GT 645

GeForce GTX 460 v2 vs GeForce GT 645

NVIDIA

GeForce GTX 460 v2

2011Core: 779 MHz
VS
NVIDIA

GeForce GT 645

2012Core: Up to 710 MHz

Performance Spectrum - GPU

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. 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

Based on actual market prices and performance benchmarks.

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
486%
#235
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
93%
#257
GeForce GTX 770M SLI
MSRP: N/A|Avg: $80
92%
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.

InsightGeForce GTX 460 v2GeForce GT 645
Performance
Leading raw performance (+0.5%)
Lower raw frame rates (-0.5%)
Longevity
🛑Obsolete Architecture (2011 / Fermi 2.0 (2010−2014))
🛑Obsolete Architecture (2012 / Kepler (2012−2018))
Ecosystem
Supports FSR Upscaling
Supports FSR Upscaling
VRAM
❌ Less VRAM capacity
✅ More VRAM (+100%)
Efficiency
⚡ Higher Power Consumption
💡 Excellent Perf/Watt
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.

InsightGeForce GTX 460 v2GeForce GT 645
Cost Efficiency
Lower cost efficiency
Better overall value (+231.7%)
Upfront Cost
⚠️Higher upfront cost ($50)
More affordable ($15)

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.

Technical Specifications

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

NVIDIA

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.

NVIDIA

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.

Graphics Performance

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

FeatureGeForce GTX 460 v2GeForce GT 645
G3D Mark Score
2,016
2,006
Architecture
Fermi 2.0
Kepler
Process Node
40 nm
28 nm
Shading Units
336
384+14%
Compute (TFLOPS)
1.046 TFLOPS+92%
0.5445 TFLOPS
ROPs
24+50%
16
TMUs
56+75%
32
L1 Cache
448 KB+1300%
32 KB
L2 Cache
384 KB+50%
256 KB

Advanced Features (DLSS/FSR)

FeatureGeForce GTX 460 v2GeForce GT 645
Upscaling Tech
FSR 2.1 (Compatible)
FSR 1.0 (Software)
Frame Generation
FSR 3 (Compatible)
Not Supported
Ray Reconstruction
No
No
Low Latency
Standard
Standard
💾

Video Memory (VRAM)

The GeForce GTX 460 v2 comes with 1 GB of VRAM, while the GeForce GT 645 has 2 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: 384 KB (GeForce GTX 460 v2) vs 256 KB (GeForce GT 645) — the GeForce GTX 460 v2 has significantly larger on-die cache to reduce VRAM reliance.

FeatureGeForce GTX 460 v2GeForce GT 645
VRAM Capacity
1 GB
2 GB+100%
Memory Type
GDDR5
GDDR5
Memory Bandwidth
Unknown
Unknown
Bus Width
128-bit
128-bit
L2 Cache
384 KB+50%
256 KB
🖥️

Display & API Support

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

FeatureGeForce GTX 460 v2GeForce GT 645
DirectX
12 (FL 11_0)
12 (11_0)
OpenGL
4.1
4.6+12%
Max Displays
2
3+50%
🎬

Media & Encoding

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

FeatureGeForce GTX 460 v2GeForce GT 645
Encoder
Legacy
NVENC (1st Gen)
Decoder
PureVideo VP4
NVDEC (1st Gen)
Codecs
H.264,VC-1,MPEG-2,MPEG-4 ASP
H.264,MPEG-2,VC-1
🔌

Power & Dimensions

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

FeatureGeForce GTX 460 v2GeForce GT 645
TDP
160W
32W-80%
Recommended PSU
450W
350W-22%
Power Connector
2x 6-pin
PCIe-powered
Length
210mm
145mm
Height
111mm
111mm
Slots
2
1-50%
Temp (Load)
80
Perf/Watt
12.6
62.7+398%
💰

Value Analysis

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

FeatureGeForce GTX 460 v2GeForce GT 645
MSRP
$199
$99-50%
Avg Price (30d)
$50
$15-70%
Performance per Dollar
40.3
133.7+232%
Codename
GF114
GK107
Release
September 24 2011
October 1 2012
Ranking
#679
#903