GeForce GT 645M vs Quadro CX

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 GeForce GT 645M is positioned at rank 80 and the Quadro CX is on rank 383, so the GeForce GT 645M 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 GeForce GT 645M

#25

Radeon RX 7600M XT

MSRP: $329|Avg: $300

94%

#70

Radeon RX 550X (móvel)

MSRP: $35|Avg: $35

230%

#72

GeForce GTX 1070 with Max-Q Design

MSRP: N/A|Avg: $150

208%

#73

GeForce GTX 1060 with Max-Q Design

MSRP: N/A|Avg: $100

208%

#77

GeForce GTX 1050 (Mobile)

MSRP: N/A|Avg: $50

189%

#78

Radeon RX 6300

MSRP: $60|Avg: $40

188%

#80

GeForce GT 645M

MSRP: N/A|Avg: N/A

100%

#82

Arc 7-Core iGPU

MSRP: $199|Avg: N/A

99%

#87

Radeon RX 560 (móvel)

MSRP: $99|Avg: $50

96%

#92

Radeon RX 550 (móvel)

MSRP: $79|Avg: $40

94%

#95

GeForce GT 555M

MSRP: N/A|Avg: $35

92%

Based on actual market prices and performance benchmarks.

Performance Per Dollar Quadro CX

#368

Tesla K20m

MSRP: $3199|Avg: $55

31432%

#383

Quadro CX

MSRP: $1999|Avg: $500

100%

#384

GRID P100-8Q

MSRP: $7374|Avg: $550

94%

#385

Quadro FX 550

MSRP: $150|Avg: $10

91%

#386

Quadro FX 350

MSRP: $199|Avg: $15

91%

#387

GRID V100D-8Q

MSRP: $10000|Avg: $10000

89%

#388

Tesla M2070

MSRP: $3099|Avg: $50

89%

#389

GRID M10-0Q

MSRP: $2000|Avg: $150

85%

#390

Quadro FX 560

MSRP: $299|Avg: $15

81%

#391

GRID V100-2Q

MSRP: $10000|Avg: $2000

81%

#392

Quadro FX 5800

MSRP: $3499|Avg: $40

74%

#393

RTX Pro 6000 Blackwell DC-12Q

MSRP: $8565|Avg: $8565

68%

#394

FireStream 9170

MSRP: $1999|Avg: $20

68%

#395

Quadro FX 1700

MSRP: $699|Avg: $500

66%

#396

GRID P40-6Q

MSRP: $3000|Avg: $150

64%

#397

Quadro FX 540

MSRP: $299|Avg: $15

57%

#398

Quadro 7000

MSRP: $14499|Avg: $300

51%

Based on actual market prices and performance benchmarks.

Performance Comparison

About G3D Mark

🏆 Chipversus Verdict

🚀 Performance Leadership

The Quadro CX is the superior choice for raw performance. It leads with a 0.2% higher G3D Mark score and 100% more VRAM (4 GB vs 2 GB). This advantage makes it significantly better for higher resolutions (1440p/4K) and graphic-intensive titles compared to the GeForce GT 645M.

Insight	GeForce GT 645M	Quadro CX
Performance	❌Lower raw frame rates (-0.2%)	✅Leading raw performance (+0.2%)
Longevity	🛑Obsolete Architecture (2012 / Kepler (2012−2018))	🛑Obsolete Architecture (2008 / Tesla 2.0 (2007−2013))
Ecosystem	Supports FSR Upscaling	Supports FSR Upscaling
VRAM	❌ Less VRAM capacity	✅ More VRAM (+100%)
Efficiency	💡 Excellent Perf/Watt	⚡ Higher Power Consumption
Case Fit	—	Standard Size (267mm)

💎 Value Proposition

While current pricing data is unavailable, the Quadro CX remains the clear technical winner. Check real-time availability to determine if the performance gap justifies the market price.

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 645M Benchmark Check

Quadro CX Benchmark Check

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Check FPS for your specific build

Technical Specifications

Side-by-side comparison of GeForce GT 645M and Quadro CX

GeForce GT 645M

The GeForce GT 645M 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: 945 points.

Quadro CX

The Quadro CX is manufactured by NVIDIA. It was released in November 11 2008. It features the Tesla 2.0 architecture. The core clock speed is 602 MHz. It has 192 shading units. The thermal design power (TDP) is 150W. Manufactured using 55 nm process technology. G3D Mark benchmark score: 947 points. Launch price was $1,999.

⚡

Graphics Performance

The GeForce GT 645M scores 945 and the Quadro CX reaches 947 in the G3D Mark benchmark — just a 0.2% difference, making them near-identical in rasterization performance. The GeForce GT 645M is built on Kepler while the Quadro CX uses Tesla 2.0, both on 28 nm vs 55 nm. Shader units: 384 (GeForce GT 645M) vs 192 (Quadro CX). Raw compute: 0.5445 TFLOPS (GeForce GT 645M) vs 0.4623 TFLOPS (Quadro CX).

Feature	GeForce GT 645M	Quadro CX
G3D Mark Score	945	947
Architecture	Kepler	Tesla 2.0
Process Node	28 nm	55 nm
Shading Units	384+100%	192
Compute (TFLOPS)	0.5445 TFLOPS+18%	0.4623 TFLOPS
ROPs	16	24+50%
TMUs	32	64+100%
L2 Cache	256 KB+33%	192 KB

✨

Advanced Features (DLSS/FSR)

Feature	GeForce GT 645M	Quadro CX
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 645M comes with 2 GB of VRAM, while the Quadro CX has 4 GB. The Quadro CX offers 100% more capacity, crucial for higher resolutions and texture-heavy games. Bus width: 128-bit vs 64-bit. L2 Cache: 256 KB (GeForce GT 645M) vs 192 KB (Quadro CX) — the GeForce GT 645M has significantly larger on-die cache to reduce VRAM reliance.

Feature	GeForce GT 645M	Quadro CX
VRAM Capacity	2 GB	4 GB+100%
Memory Type	GDDR5	GDDR5
Bus Width	128-bit+100%	64-bit
L2 Cache	256 KB+33%	192 KB

🖥️

Display & API Support

DirectX support: 11.0 (GeForce GT 645M) vs 11.1 (10_0) (Quadro CX). Vulkan: 1.1 vs N/A. OpenGL: 4.5 vs 3.3. Maximum simultaneous displays: 1 vs 2.

Feature	GeForce GT 645M	Quadro CX
DirectX	11.0	11.1 (10_0)
Vulkan	1.1	N/A
OpenGL	4.5+36%	3.3
Max Displays	1	2+100%

🎬

Media & Encoding

Hardware encoder: NVENC 1.0 (GeForce GT 645M) vs None (Quadro CX). Decoder: PureVideo HD VP5 vs PureVideo HD. Supported codecs: MPEG-2,H.264,VC-1,MPEG-4 ASP (GeForce GT 645M) vs H.264,MPEG-2,VC-1 (Quadro CX).

Feature	GeForce GT 645M	Quadro CX
Encoder	NVENC 1.0	None
Decoder	PureVideo HD VP5	PureVideo HD
Codecs	MPEG-2,H.264,VC-1,MPEG-4 ASP	H.264,MPEG-2,VC-1

🔌

Power & Dimensions

The GeForce GT 645M draws 32W versus the Quadro CX's 150W — a 129.7% difference. The GeForce GT 645M is more power-efficient. Recommended PSU: 350W (GeForce GT 645M) vs 350W (Quadro CX). Power connectors: PCIe-powered vs PCIe-powered. Card length: 0mm vs 267mm, occupying 0 vs 2 slots. Typical load temperature: 70°C vs 80.

Feature	GeForce GT 645M	Quadro CX
TDP	32W-79%	150W
Recommended PSU	350W	350W
Power Connector	PCIe-powered	PCIe-powered
Length	0mm	267mm
Height	0mm	111mm
Slots	0-100%	2
Temp (Load)	70°C-13%	80
Perf/Watt	29.5+368%	6.3