GeForce GT 645
VS
Iris Plus Graphics G7 (Ice Lake 64 EU)

GeForce GT 645 vs Iris Plus Graphics G7 (Ice Lake 64 EU)

NVIDIA

GeForce GT 645

2012Core: Up to 710 MHz
VS
Intel

Iris Plus Graphics G7 (Ice Lake 64 EU)

2019Core: 300 MHzBoost: 1100 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. 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
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 Per Dollar

Based on actual market prices and performance benchmarks.

Performance Comparison

About G3D Mark

🏆 Chipversus Verdict

⚠️ Generational Difference

The Iris Plus Graphics G7 (Ice Lake 64 EU) is significantly newer (2019 vs 2012). The Iris Plus Graphics G7 (Ice Lake 64 EU) likely supports modern features like Ray Tracing, Tensor Cores, and DLSS/FSR upscaling, which act as force multipliers for performance. The GeForce GT 645 lacks this hardware feature set, limiting its longevity in modern titles despite any raw power similarities.

🚀 Performance Leadership

The GeForce GT 645 is the superior choice for raw performance. It leads with a 0.3% higher G3D Mark score and 100+% more VRAM (2 GB vs 0 MB). This advantage makes it significantly better for higher resolutions (1440p/4K) and graphic-intensive titles compared to the Iris Plus Graphics G7 (Ice Lake 64 EU).

InsightGeForce GT 645Iris Plus Graphics G7 (Ice Lake 64 EU)
Performance
Leading raw performance (+0.3%)
Lower raw frame rates (-0.3%)
Longevity
🛑Obsolete Architecture (2012 / Kepler (2012−2018))
Gen. 11 Ice Lake (2019−2022) (10nm)
Ecosystem
Supports FSR Upscaling
Supports FSR Upscaling
VRAM
✅ More VRAM (+100+%)
❌ Less VRAM capacity
Efficiency
⚡ Higher Power Consumption
💡 Excellent Perf/Watt
Case Fit
📏 Compact / SFF Friendly

💎 Value Proposition

The GeForce GT 645 offers a compelling cost-to-performance ratio. Although it costs $15 (vs $15), its significant performance lead justifies the premium, offering 0.3% better value per dollar than the Iris Plus Graphics G7 (Ice Lake 64 EU).

InsightGeForce GT 645Iris Plus Graphics G7 (Ice Lake 64 EU)
Cost Efficiency
Better overall value (+0.3%)
Lower cost efficiency
Upfront Cost
Equivalent pricing
Equivalent pricing

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 GT 645 and Iris Plus Graphics G7 (Ice Lake 64 EU)

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.

Intel

Iris Plus Graphics G7 (Ice Lake 64 EU)

The Iris Plus Graphics G7 (Ice Lake 64 EU) is manufactured by Intel. It was released in May 28 2019. It features the Gen. 11 Ice Lake architecture. The core clock ranges from 300 MHz to 1100 MHz. It has 64 shading units. The thermal design power (TDP) is 12W. Manufactured using 10 nm process technology. G3D Mark benchmark score: 2,000 points.

Graphics Performance

The GeForce GT 645 scores 2,006 and the Iris Plus Graphics G7 (Ice Lake 64 EU) reaches 2,000 in the G3D Mark benchmark — just a 0.3% difference, making them near-identical in rasterization performance. The GeForce GT 645 is built on Kepler while the Iris Plus Graphics G7 (Ice Lake 64 EU) uses Gen. 11 Ice Lake, both on 28 nm vs 10 nm. Shader units: 384 (GeForce GT 645) vs 64 (Iris Plus Graphics G7 (Ice Lake 64 EU)).

FeatureGeForce GT 645Iris Plus Graphics G7 (Ice Lake 64 EU)
G3D Mark Score
2,006
2,000
Architecture
Kepler
Gen. 11 Ice Lake
Process Node
28 nm
10 nm
Shading Units
384+500%
64

Advanced Features (DLSS/FSR)

FeatureGeForce GT 645Iris Plus Graphics G7 (Ice Lake 64 EU)
Upscaling Tech
FSR 1.0 (Software)
FSR 1.0 (Software)
Frame Generation
Not Supported
Not Supported
Ray Reconstruction
No
No
Low Latency
Standard
Standard
💾

Video Memory (VRAM)

The GeForce GT 645 comes with 2 GB of VRAM, while the Iris Plus Graphics G7 (Ice Lake 64 EU) has 0 MB. The GeForce GT 645 offers 100+% more capacity, crucial for higher resolutions and texture-heavy games. Bus width: 128-bit vs System.

FeatureGeForce GT 645Iris Plus Graphics G7 (Ice Lake 64 EU)
VRAM Capacity
2 GB
Shared System RAM
Memory Type
GDDR5
Shared
Memory Bandwidth
Unknown
System
Bus Width
128-bit
System
🖥️

Display & API Support

DirectX support: 12 (11_0) (GeForce GT 645) vs 12 (12_1) (Iris Plus Graphics G7 (Ice Lake 64 EU)). Vulkan: 1.2 vs 1.3. OpenGL: 4.6 vs 4.6. Maximum simultaneous displays: 3 vs 3.

FeatureGeForce GT 645Iris Plus Graphics G7 (Ice Lake 64 EU)
DirectX
12 (11_0)
12 (12_1)
Vulkan
1.2
1.3+8%
OpenGL
4.6
4.6
Max Displays
3
3
🎬

Media & Encoding

Hardware encoder: NVENC (1st Gen) (GeForce GT 645) vs QuickSync (Iris Plus Graphics G7 (Ice Lake 64 EU)). Decoder: NVDEC (1st Gen) vs QuickSync. Supported codecs: H.264,MPEG-2,VC-1 (GeForce GT 645) vs H.264,H.265,VP9 (Iris Plus Graphics G7 (Ice Lake 64 EU)).

FeatureGeForce GT 645Iris Plus Graphics G7 (Ice Lake 64 EU)
Encoder
NVENC (1st Gen)
QuickSync
Decoder
NVDEC (1st Gen)
QuickSync
Codecs
H.264,MPEG-2,VC-1
H.264,H.265,VP9
🔌

Power & Dimensions

The GeForce GT 645 draws 32W versus the Iris Plus Graphics G7 (Ice Lake 64 EU)'s 12W — a 90.9% difference. The Iris Plus Graphics G7 (Ice Lake 64 EU) is more power-efficient. Recommended PSU: 350W (GeForce GT 645) vs 1W (Iris Plus Graphics G7 (Ice Lake 64 EU)). Power connectors: PCIe-powered vs Integrated. Card length: 145mm vs 0mm, occupying 1 vs 0 slots. Typical load temperature: 80 vs 85.

FeatureGeForce GT 645Iris Plus Graphics G7 (Ice Lake 64 EU)
TDP
32W
12W-63%
Recommended PSU
350W
1W-100%
Power Connector
PCIe-powered
Integrated
Length
145mm
0mm
Height
111mm
0mm
Slots
1
0-100%
Temp (Load)
80-6%
85
Perf/Watt
62.7
166.7+166%
💰

Value Analysis

The GeForce GT 645 launched at $99 MSRP and currently averages $15, while the Iris Plus Graphics G7 (Ice Lake 64 EU) launched at $0 and now averages $15. Performance per dollar (G3D Mark / price): 133.7 (GeForce GT 645) vs 133.3 (Iris Plus Graphics G7 (Ice Lake 64 EU)) — the GeForce GT 645 offers 0.3% better value. The Iris Plus Graphics G7 (Ice Lake 64 EU) is the newer GPU (2019 vs 2012).

FeatureGeForce GT 645Iris Plus Graphics G7 (Ice Lake 64 EU)
MSRP
$99
$0-100%
Avg Price (30d)
$15
$15
Performance per Dollar
133.7
133.3
Codename
GK107
Ice Lake G7 Gen. 11
Release
October 1 2012
May 28 2019
Ranking
#903
#672