GeForce GT 640M vs GRID K220Q

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 K220Q is on rank 299, 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 K220Q

#115

Radeon Instinct MI60

MSRP: $6000|Avg: $600

100%

#283

Tesla K20m

MSRP: $3199|Avg: $55

7615%

#299

GRID K220Q

MSRP: $469|Avg: $40

100%

#300

FirePro W9100

MSRP: $4000|Avg: $200

100%

#301

GRID T4-8Q

MSRP: $2500|Avg: $1000

98%

#302

FirePro 3D V3700

MSRP: $99|Avg: $10

93%

#303

GRID T4-1Q

MSRP: $1880|Avg: $600

91%

#304

GRID M60-2Q

MSRP: $3000|Avg: $150

89%

#305

NVS 310

MSRP: $159|Avg: $10

89%

#307

FirePro 3D V3750

MSRP: $199|Avg: $25

88%

#308

NVS 810

MSRP: $700|Avg: $80

88%

#309

GRID P40-2Q

MSRP: $5699|Avg: $340

87%

#310

Quadro 2000D

MSRP: $599|Avg: $40

85%

#311

FirePro 3D V8800

MSRP: $1499|Avg: $30

84%

#312

Quadro K5000

MSRP: $2499|Avg: $60

82%

#313

Quadro 2000

MSRP: $599|Avg: $25

81%

Based on actual market prices and performance benchmarks.

Performance Comparison

About G3D Mark

🏆 Chipversus Verdict

🚀 Performance Leadership

The GRID K220Q 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 K220Q
Performance	❌Lower raw frame rates (-0.6%)	✅Leading raw performance (+0.6%)
Longevity	🛑Obsolete Architecture (2012 / Kepler (2012−2018))	🛑Obsolete Architecture (2014 / 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	—	Standard Size (265mm)

💎 Value Proposition

The GRID K220Q offers a compelling cost-to-performance ratio. While both GPUs are considered legacy components by modern standards, the GRID K220Q holds the technical lead. Priced at $40 (vs $50), it costs 20% less, resulting in a 25.7% higher cost efficiency score.

Insight	GeForce GT 640M	GRID K220Q
Cost Efficiency	❌Lower cost efficiency	✅Better overall value (+25.7%)
Upfront Cost	⚠️Higher upfront cost ($50)	✅More affordable ($40)

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 K220Q Benchmark Check

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Check FPS for your specific build

Technical Specifications

Side-by-side comparison of GeForce GT 640M and GRID K220Q

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 K220Q

The GRID K220Q is manufactured by NVIDIA. It was released in July 2 2014. 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: 912 points. Launch price was $469.

⚡

Graphics Performance

The GeForce GT 640M scores 907 and the GRID K220Q 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 K220Q uses Kepler, both on a 28 nm process. Shader units: 384 (GeForce GT 640M) vs 1,536 (GRID K220Q). Raw compute: 0.48 TFLOPS (GeForce GT 640M) vs 2.289 TFLOPS (GRID K220Q).

Feature	GeForce GT 640M	GRID K220Q
G3D Mark Score	907	912
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 K220Q
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 K220Q 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 K220Q) — the GRID K220Q has significantly larger on-die cache to reduce VRAM reliance.

Feature	GeForce GT 640M	GRID K220Q
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 11_0 (GRID K220Q). Maximum simultaneous displays: 1 vs 2.

Feature	GeForce GT 640M	GRID K220Q
DirectX	11.0	11_0
Max Displays	1	2+100%

🔌

Power & Dimensions

The GeForce GT 640M draws 32W versus the GRID K220Q's 225W — a 150.2% difference. The GeForce GT 640M is more power-efficient. Recommended PSU: 350W (GeForce GT 640M) vs 350W (GRID K220Q). Power connectors: PCIe-powered vs PCIe-powered. Card length: 0mm vs 265mm, occupying 0 vs 2 slots.

Feature	GeForce GT 640M	GRID K220Q
TDP	32W-86%	225W
Recommended PSU	350W	350W
Power Connector	PCIe-powered	PCIe-powered
Length	0mm	265mm
Height	0mm	—
Slots	0-100%	2
Temp (Load)	70°C	—
Perf/Watt	28.3+590%	4.1

💰

Value Analysis

The GRID K220Q costs 20% less ($10 savings) at current market prices. Performance per dollar (G3D Mark / price): 18.1 (GeForce GT 640M) vs 22.8 (GRID K220Q) — the GRID K220Q offers 26% better value. The GRID K220Q is the newer GPU (2014 vs 2012).