Iris Xe MAX Graphics vs GeForce GT 645

Performance Spectrum - GPU

Iris Xe MAX Graphics

25

1,972

0.0%

2,006

+1.7%

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. Components placed above yours deliver better value for money. The Iris Xe MAX Graphics is positioned at rank 139 and the GeForce GT 645 is on rank 242, so the Iris Xe MAX Graphics offers better cost-efficiency for playing games.

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

Performance Per Dollar Iris Xe MAX Graphics

#39

Radeon RX 7700S

MSRP: $449|Avg: $350

96%

#129

Radeon RX 550X (móvel)

MSRP: $35|Avg: $35

303%

#131

GeForce GTX 1070 with Max-Q Design

MSRP: N/A|Avg: $150

275%

#132

GeForce GTX 1060 with Max-Q Design

MSRP: N/A|Avg: $100

274%

#136

GeForce GTX 1050 (Mobile)

MSRP: N/A|Avg: $50

249%

#137

Radeon RX 6300

MSRP: $60|Avg: $40

247%

#139

Iris Xe MAX Graphics

MSRP: $55|Avg: $40

100%

#145

Radeon RX 580 (móvel)

MSRP: $229|Avg: $65

97%

#147

GeForce GT 630M

MSRP: N/A|Avg: $35

97%

#150

Tiger Lake-U Xe Graphics G7

MSRP: $100|Avg: $50

95%

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

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 Comparison

About G3D Mark

🏆 Chipversus Verdict

⚠️ Generational Difference

The Iris Xe MAX Graphics is significantly newer (2020 vs 2012). The Iris Xe MAX Graphics 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 1.7% 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 Xe MAX Graphics.

Insight	Iris Xe MAX Graphics	GeForce GT 645
Performance	❌Lower raw frame rates (-1.7%)	✅Leading raw performance (+1.7%)
Longevity	Generation 12.1 (2020−2021) (10nm)	🛑Obsolete Architecture (2012 / Kepler (2012−2018))
Ecosystem	Supports FSR Upscaling	Supports FSR Upscaling
VRAM	❌ Less VRAM capacity	✅ More VRAM (+100+%)
Efficiency	💡 Excellent Perf/Watt	⚡ Higher Power Consumption
Case Fit	—	📏 Compact / SFF Friendly

💎 Value Proposition

The GeForce GT 645 offers a compelling cost-to-performance ratio. Priced at $15 versus $40 for the Iris Xe MAX Graphics, it costs 63% less. While it maintains basic entry-level capabilities, this results in a 171.3% higher cost efficiency score.

Insight	Iris Xe MAX Graphics	GeForce GT 645
Cost Efficiency	❌Lower cost efficiency	✅Better overall value (+171.3%)
Upfront Cost	⚠️Higher upfront cost ($40)	✅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.

Iris Xe MAX Graphics Benchmark Check

GeForce GT 645 Benchmark Check

Technical Specifications

Side-by-side comparison of Iris Xe MAX Graphics and GeForce GT 645

Iris Xe MAX Graphics

The Iris Xe MAX Graphics is manufactured by Intel. It was released in October 31 2020. It features the Generation 12.1 architecture. The core clock ranges from 300 MHz to 1650 MHz. It has 768 shading units. The thermal design power (TDP) is 25W. Manufactured using 10 nm process technology. G3D Mark benchmark score: 1,972 points.

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 Iris Xe MAX Graphics scores 1,972 and the GeForce GT 645 reaches 2,006 in the G3D Mark benchmark — just a 1.7% difference, making them near-identical in rasterization performance. The Iris Xe MAX Graphics is built on Generation 12.1 while the GeForce GT 645 uses Kepler, both on 10 nm vs 28 nm. Shader units: 768 (Iris Xe MAX Graphics) vs 384 (GeForce GT 645). Raw compute: 2.534 TFLOPS (Iris Xe MAX Graphics) vs 0.5445 TFLOPS (GeForce GT 645).

Feature	Iris Xe MAX Graphics	GeForce GT 645
G3D Mark Score	1,972	2,006+2%
Architecture	Generation 12.1	Kepler
Process Node	10 nm	28 nm
Shading Units	768+100%	384
Compute (TFLOPS)	2.534 TFLOPS+365%	0.5445 TFLOPS
ROPs	24+50%	16
TMUs	48+50%	32
L2 Cache	1 MB+300%	0.25 MB

✨

Advanced Features (DLSS/FSR)

Feature	Iris Xe MAX Graphics	GeForce GT 645
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 Iris Xe MAX Graphics comes with 0 MB 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: System vs 128-bit. L2 Cache: 1 MB (Iris Xe MAX Graphics) vs 0.25 MB (GeForce GT 645) — the Iris Xe MAX Graphics has significantly larger on-die cache to reduce VRAM reliance.

Feature	Iris Xe MAX Graphics	GeForce GT 645
VRAM Capacity	Shared System RAM	2 GB
Memory Type	Shared	GDDR5
Memory Bandwidth	System	Unknown
Bus Width	System	128-bit
L2 Cache	1 MB+300%	0.25 MB

🖥️

Display & API Support

DirectX support: 12.1 (Iris Xe MAX Graphics) vs 12 (11_0) (GeForce GT 645). Vulkan: 1.3 vs 1.2. OpenGL: 4.6 vs 4.6. Maximum simultaneous displays: 4 vs 3.

Feature	Iris Xe MAX Graphics	GeForce GT 645
DirectX	12.1	12 (11_0)
Vulkan	1.3+8%	1.2
OpenGL	4.6	4.6
Max Displays	4+33%	3

🎬

Media & Encoding

Hardware encoder: QuickSync (Iris Xe MAX Graphics) vs NVENC (1st Gen) (GeForce GT 645). Decoder: QuickSync vs NVDEC (1st Gen). Supported codecs: H.264,H.265,VP9,AV1 (Iris Xe MAX Graphics) vs H.264,MPEG-2,VC-1 (GeForce GT 645).

Feature	Iris Xe MAX Graphics	GeForce GT 645
Encoder	QuickSync	NVENC (1st Gen)
Decoder	QuickSync	NVDEC (1st Gen)
Codecs	H.264,H.265,VP9,AV1	H.264,MPEG-2,VC-1

🔌

Power & Dimensions

The Iris Xe MAX Graphics draws 25W versus the GeForce GT 645's 32W — a 24.6% difference. The Iris Xe MAX Graphics is more power-efficient. Recommended PSU: 1W (Iris Xe MAX Graphics) vs 350W (GeForce GT 645). Power connectors: Integrated vs PCIe-powered. Card length: 0mm vs 145mm, occupying 0 vs 1 slots. Typical load temperature: 80 vs 80.

Feature	Iris Xe MAX Graphics	GeForce GT 645
TDP	25W-22%	32W
Recommended PSU	1W-100%	350W
Power Connector	Integrated	PCIe-powered
Length	0mm	145mm
Height	0mm	111mm
Slots	0-100%	1
Temp (Load)	80	80
Perf/Watt	78.9+26%	62.7

💰

Value Analysis

The Iris Xe MAX Graphics launched at $55 MSRP and currently averages $40, while the GeForce GT 645 launched at $99 and now averages $15. The GeForce GT 645 costs 62.5% less ($25 savings) at current market prices. Performance per dollar (G3D Mark / price): 49.3 (Iris Xe MAX Graphics) vs 133.7 (GeForce GT 645) — the GeForce GT 645 offers 171.2% better value. The Iris Xe MAX Graphics is the newer GPU (2020 vs 2012).