GeForce GT 640M vs GRID P40-6Q

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 640M is positioned at rank 224 and the GRID P40-6Q is on rank 396, so the GeForce GT 640M 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 640M

#52

Radeon 8060S

MSRP: $800|Avg: $800

99%

#53

Radeon RX 6850M XT

MSRP: $800|Avg: $800

96%

#214

Radeon RX 550X (móvel)

MSRP: $35|Avg: $35

479%

#216

GeForce GTX 1070 with Max-Q Design

MSRP: N/A|Avg: $150

434%

#217

GeForce GTX 1060 with Max-Q Design

MSRP: N/A|Avg: $100

433%

#221

GeForce GTX 1050 (Mobile)

MSRP: N/A|Avg: $50

394%

#222

Radeon RX 6300

MSRP: $60|Avg: $40

391%

#224

GeForce GT 640M

MSRP: N/A|Avg: $50

100%

#228

GeForce GT 750M Mac Edition

MSRP: $149|Avg: $40

98%

#230

Maxwell GPU Surface Book

MSRP: $150|Avg: $75

97%

#235

Radeon RX 540

MSRP: $99|Avg: $40

95%

#236

Radeon HD 6750M

MSRP: N/A|Avg: $60

94%

#237

Radeon HD 7570M

MSRP: N/A|Avg: $15

93%

#239

Arc Graphics 130T

MSRP: $300|Avg: $250

91%

Based on actual market prices and performance benchmarks.

Performance Per Dollar GRID P40-6Q

#381

Tesla K20m

MSRP: $3199|Avg: $55

49243%

#396

GRID P40-6Q

MSRP: $3000|Avg: $150

100%

#397

Quadro FX 540

MSRP: $299|Avg: $15

90%

#398

Tesla M2070-Q

MSRP: $5489|Avg: $50

80%

#399

Quadro 7000

MSRP: $14499|Avg: $300

80%

#400

Quadro FX 1500

MSRP: $699|Avg: $30

80%

#401

Quadro FX 3700

MSRP: $1599|Avg: $500

77%

#402

Quadro FX 4700 X2

MSRP: $2999|Avg: $15

77%

#403

GRID M10-0B

MSRP: $4000|Avg: $1000

73%

#405

GRID K340

MSRP: $3299|Avg: $57

67%

#406

Quadro FX 4600

MSRP: $1999|Avg: $50

67%

#407

Quadro FX 5600

MSRP: $2999|Avg: $50

60%

#409

Quadro FX 3500

MSRP: $1599|Avg: $1599

57%

#410

Quadro FX 1400

MSRP: $799|Avg: $30

53%

#411

GRID K1

MSRP: $4140|Avg: $120

53%

Based on actual market prices and performance benchmarks.

Performance Comparison

About G3D Mark

🏆 Chipversus Verdict

🚀 Performance Leadership

The GeForce GT 640M is the superior choice for raw performance. It leads with a 0.2% higher G3D Mark score and 300% more VRAM (2 GB vs 512 MB). This advantage makes it significantly better for higher resolutions (1440p/4K) and graphic-intensive titles compared to the GRID P40-6Q.

Insight	GeForce GT 640M	GRID P40-6Q
Performance	✅Leading raw performance (+0.2%)	❌Lower raw frame rates (-0.2%)
Longevity	🛑Obsolete Architecture (2012 / Kepler (2012−2018))	🛑Obsolete Architecture (2013 / Kepler (2012−2018))
Ecosystem	Supports FSR Upscaling	Supports FSR Upscaling
VRAM	✅ More VRAM (+300%)	❌ Less VRAM capacity
Efficiency	💡 Excellent Perf/Watt	⚡ Higher Power Consumption
Case Fit	—	📏 Compact / SFF Friendly

💎 Value Proposition

The GeForce GT 640M offers a compelling cost-to-performance ratio. While both GPUs are considered legacy components by modern standards, the GeForce GT 640M holds the technical lead. Priced at $50 (vs $150), it costs 67% less, resulting in a 200.7% higher cost efficiency score.

Insight	GeForce GT 640M	GRID P40-6Q
Cost Efficiency	✅Better overall value (+200.7%)	❌Lower cost efficiency
Upfront Cost	✅More affordable ($50)	⚠️Higher upfront cost ($150)

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 640M Benchmark Check

GRID P40-6Q Benchmark Check

Technical Specifications

Side-by-side comparison of GeForce GT 640M and GRID P40-6Q

GeForce GT 640M

The GeForce GT 640M is manufactured by NVIDIA. It was released in March 22 2012. It features the Kepler architecture. The core clock ranges from Up to 625 MHz to 645 MHz. It has 384 shading units. The thermal design power (TDP) is 32W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 907 points.

GRID P40-6Q

The GRID P40-6Q is manufactured by NVIDIA. It was released in June 28 2013. It features the Kepler architecture. The core clock speed is 745 MHz. It has 1536 shading units. The thermal design power (TDP) is 225W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 905 points. Launch price was $469.

⚡

Graphics Performance

The GeForce GT 640M scores 907 and the GRID P40-6Q reaches 905 in the G3D Mark benchmark — just a 0.2% difference, making them near-identical in rasterization performance. The GeForce GT 640M is built on Kepler while the GRID P40-6Q uses Kepler, both on a 28 nm process. Shader units: 384 (GeForce GT 640M) vs 1,536 (GRID P40-6Q). Raw compute: 0.48 TFLOPS (GeForce GT 640M) vs 2.289 TFLOPS (GRID P40-6Q).

Feature	GeForce GT 640M	GRID P40-6Q
G3D Mark Score	907	905
Architecture	Kepler	Kepler
Process Node	28 nm	28 nm
Shading Units	384	1536+300%
Compute (TFLOPS)	0.48 TFLOPS	2.289 TFLOPS+377%
ROPs	16	32+100%
TMUs	32	128+300%
L1 Cache	32 KB	128 KB+300%
L2 Cache	256 KB	512 KB+100%

✨

Advanced Features (DLSS/FSR)

Feature	GeForce GT 640M	GRID P40-6Q
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 640M comes with 2 GB of VRAM, while the GRID P40-6Q has 512 MB. The GeForce GT 640M offers 300% more capacity, crucial for higher resolutions and texture-heavy games. Bus width: 128-bit vs 64-bit. L2 Cache: 256 KB (GeForce GT 640M) vs 512 KB (GRID P40-6Q) — the GRID P40-6Q has significantly larger on-die cache to reduce VRAM reliance.

Feature	GeForce GT 640M	GRID P40-6Q
VRAM Capacity	2 GB+300%	0.5 GB
Memory Type	GDDR5	GDDR5
Bus Width	128-bit+100%	64-bit
L2 Cache	256 KB	512 KB+100%

🖥️

Display & API Support

DirectX support: 11.0 (GeForce GT 640M) vs 12_1 (GRID P40-6Q). Maximum simultaneous displays: 1 vs 0.

Feature	GeForce GT 640M	GRID P40-6Q
DirectX	11.0	12_1+9%
Max Displays	1	0

🔌

Power & Dimensions

The GeForce GT 640M draws 32W versus the GRID P40-6Q's 225W — a 150.2% difference. The GeForce GT 640M is more power-efficient. Recommended PSU: 350W (GeForce GT 640M) vs 350W (GRID P40-6Q). Power connectors: PCIe-powered vs PCIe-powered. Card length: 0mm vs 1mm, occupying 0 vs 0 slots.

Feature	GeForce GT 640M	GRID P40-6Q
TDP	32W-86%	225W
Recommended PSU	350W	350W
Power Connector	PCIe-powered	PCIe-powered
Length	0mm	1mm
Height	0mm	—
Slots	0	0
Temp (Load)	70°C	—
Perf/Watt	28.3+608%	4.0

💰

Value Analysis

The GeForce GT 640M costs 66.7% less ($100 savings) at current market prices. Performance per dollar (G3D Mark / price): 18.1 (GeForce GT 640M) vs 6.0 (GRID P40-6Q) — the GeForce GT 640M offers 201.7% better value. The GRID P40-6Q is the newer GPU (2013 vs 2012).