GeForce GT 640M vs GRID M6-0B

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 M6-0B is on rank 374, 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 M6-0B

#358

Tesla K20m

MSRP: $3199|Avg: $55

24218%

#373

Quadro 6000

MSRP: $4399|Avg: $150

100%

#374

GRID M6-0B

MSRP: $1500|Avg: $100

100%

#375

RTXA5000-6Q

MSRP: $2500|Avg: $2500

100%

#376

GRID M10-1B

MSRP: $2500|Avg: $150

98%

#377

Tesla K40c

MSRP: $7699|Avg: $500

95%

#378

Quadro FX 4800

MSRP: $1799|Avg: $80

92%

#379

Tesla M2090

MSRP: $2500|Avg: $40

92%

#380

GRID K180Q

MSRP: $1000|Avg: $1000

87%

#381

GRID K2

MSRP: $5199|Avg: $80

87%

#382

Quadro CX

MSRP: $1999|Avg: $500

77%

#383

GRID P100-8Q

MSRP: $7374|Avg: $550

72%

#384

Quadro FX 550

MSRP: $150|Avg: $10

70%

#385

Quadro FX 350

MSRP: $199|Avg: $15

70%

#386

Tesla M2070

MSRP: $3099|Avg: $50

69%

#387

GRID V100D-8Q

MSRP: $10000|Avg: $10000

69%

#388

GRID M10-0Q

MSRP: $2000|Avg: $150

66%

Based on actual market prices and performance benchmarks.

Performance Comparison

About G3D Mark

🏆 Chipversus Verdict

🚀 Performance Leadership

The GRID M6-0B is the superior choice for raw performance. It leads with a 0.6% higher G3D Mark score. However, the GeForce GT 640M offers more VRAM, which may be beneficial for texture-heavy scenarios at higher resolutions.

Insight	GeForce GT 640M	GRID M6-0B
Performance	❌Lower raw frame rates (-0.6%)	✅Leading raw performance (+0.6%)
Longevity	🛑Obsolete Architecture (2012 / Kepler (2012−2018))	🛑Obsolete Architecture (2015 / Maxwell 2.0 (2014−2019))
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 $100), it costs 50% less, resulting in a 98.9% higher cost efficiency score.

Insight	GeForce GT 640M	GRID M6-0B
Cost Efficiency	✅Better overall value (+98.9%)	❌Lower cost efficiency
Upfront Cost	✅More affordable ($50)	⚠️Higher upfront cost ($100)

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 M6-0B Benchmark Check

Technical Specifications

Side-by-side comparison of GeForce GT 640M and GRID M6-0B

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 M6-0B

The GRID M6-0B is manufactured by NVIDIA. It was released in August 30 2015. It features the Maxwell 2.0 architecture. The core clock speed is 722 MHz. It has 1536 shading units. The thermal design power (TDP) is 100W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 912 points.

⚡

Graphics Performance

The GeForce GT 640M scores 907 and the GRID M6-0B reaches 912 in the G3D Mark benchmark — just a 0.6% difference, making them near-identical in rasterization performance. The GeForce GT 640M is built on Kepler while the GRID M6-0B uses Maxwell 2.0, both on a 28 nm process. Shader units: 384 (GeForce GT 640M) vs 1,536 (GRID M6-0B). Raw compute: 0.48 TFLOPS (GeForce GT 640M) vs 2.218 TFLOPS (GRID M6-0B).

Feature	GeForce GT 640M	GRID M6-0B
G3D Mark Score	907	912
Architecture	Kepler	Maxwell 2.0
Process Node	28 nm	28 nm
Shading Units	384	1536+300%
Compute (TFLOPS)	0.48 TFLOPS	2.218 TFLOPS+362%
ROPs	16	64+300%
TMUs	32	96+200%
L1 Cache	32 KB	576 KB+1700%
L2 Cache	0.25 MB	2 MB+700%

✨

Advanced Features (DLSS/FSR)

Feature	GeForce GT 640M	GRID M6-0B
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 M6-0B 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: 0.25 MB (GeForce GT 640M) vs 2 MB (GRID M6-0B) — the GRID M6-0B has significantly larger on-die cache to reduce VRAM reliance.

Feature	GeForce GT 640M	GRID M6-0B
VRAM Capacity	2 GB+300%	0.5 GB
Memory Type	GDDR5	GDDR5
Bus Width	128-bit+100%	64-bit
L2 Cache	0.25 MB	2 MB+700%

🖥️

Display & API Support

DirectX support: 11.0 (GeForce GT 640M) vs 12_1 (GRID M6-0B). Maximum simultaneous displays: 1 vs 0.

Feature	GeForce GT 640M	GRID M6-0B
DirectX	11.0	12_1+9%
Max Displays	1	0

🔌

Power & Dimensions

The GeForce GT 640M draws 32W versus the GRID M6-0B's 100W — a 103% difference. The GeForce GT 640M is more power-efficient. Recommended PSU: 350W (GeForce GT 640M) vs 350W (GRID M6-0B). Power connectors: PCIe-powered vs PCIe-powered. Card length: 0mm vs 1mm, occupying 0 vs 0 slots.

Feature	GeForce GT 640M	GRID M6-0B
TDP	32W-68%	100W
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+211%	9.1

💰

Value Analysis

The GeForce GT 640M costs 50% less ($50 savings) at current market prices. Performance per dollar (G3D Mark / price): 18.1 (GeForce GT 640M) vs 9.1 (GRID M6-0B) — the GeForce GT 640M offers 98.9% better value. The GRID M6-0B is the newer GPU (2015 vs 2012).