GeForce GT 640M vs Radeon Vega 3

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. The GeForce GT 640M is positioned at rank #224 in our cost-efficiency ranking, representing a Lower cost-benefit for your build. Components placed above yours deliver better value for money.

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

Based on actual market prices and performance benchmarks.

Performance Comparison

About G3D Mark

🏆 Chipversus Verdict

⚠️ Generational Difference

The Radeon Vega 3 is significantly newer (2021 vs 2012). The Radeon Vega 3 likely supports modern features like Ray Tracing, Tensor Cores, and DLSS/FSR upscaling, which act as force multipliers for performance. The GeForce GT 640M lacks this hardware feature set, limiting its longevity in modern titles despite any raw power similarities.

🚀 Performance Leadership

The GeForce GT 640M 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 Radeon Vega 3.

Insight	GeForce GT 640M	Radeon Vega 3
Performance	✅Leading raw performance (+1.7%)	❌Lower raw frame rates (-1.7%)
Longevity	🛑Obsolete Architecture (2012 / Kepler (2012−2018))	GCN 5.1 (2018−2022) (7nm)
Ecosystem	Supports FSR Upscaling	Supports FSR Upscaling
VRAM	✅ More VRAM (+100+%)	❌ Less VRAM capacity
Efficiency	💡 Excellent Perf/Watt	⚡ Higher Power Consumption
Case Fit	—	—

💎 Value Proposition

While current pricing data is unavailable, the GeForce GT 640M 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 640M Benchmark Check

Radeon Vega 3 Benchmark Check

Technical Specifications

Side-by-side comparison of GeForce GT 640M and Radeon Vega 3

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.

Radeon Vega 3

The Radeon Vega 3 is manufactured by AMD. It was released in April 13 2021. It features the GCN 5.1 architecture. The core clock ranges from 300 MHz to 1900 MHz. It has 448 shading units. The thermal design power (TDP) is 45W. Manufactured using 7 nm process technology. G3D Mark benchmark score: 892 points.

⚡

Graphics Performance

The GeForce GT 640M scores 907 and the Radeon Vega 3 reaches 892 in the G3D Mark benchmark — just a 1.7% difference, making them near-identical in rasterization performance. The GeForce GT 640M is built on Kepler while the Radeon Vega 3 uses GCN 5.1, both on 28 nm vs 7 nm. Shader units: 384 (GeForce GT 640M) vs 448 (Radeon Vega 3). Raw compute: 0.48 TFLOPS (GeForce GT 640M) vs 1.702 TFLOPS (Radeon Vega 3). Boost clocks: 645 MHz vs 1900 MHz.

Feature	GeForce GT 640M	Radeon Vega 3
G3D Mark Score	907+2%	892
Architecture	Kepler	GCN 5.1
Process Node	28 nm	7 nm
Shading Units	384	448+17%
Compute (TFLOPS)	0.48 TFLOPS	1.702 TFLOPS+255%
Boost Clock	645 MHz	1900 MHz+195%
ROPs	16+100%	8
TMUs	32+14%	28

✨

Advanced Features (DLSS/FSR)

Feature	GeForce GT 640M	Radeon Vega 3
Upscaling Tech	FSR 1.0 (Software)	FSR 1.0 (Software)
Frame Generation	Not Supported	Not Supported
Ray Reconstruction	No	No
Low Latency	Standard	AMD Anti-Lag

💾

Video Memory (VRAM)

The GeForce GT 640M comes with 2 GB of VRAM, while the Radeon Vega 3 has 0 MB. The GeForce GT 640M offers 100+% more capacity, crucial for higher resolutions and texture-heavy games. Bus width: 128-bit vs System.

Feature	GeForce GT 640M	Radeon Vega 3
VRAM Capacity	2 GB	Shared System RAM
Memory Type	GDDR5	Shared
Memory Bandwidth	Unknown	System
Bus Width	128-bit	System

🖥️

Display & API Support

DirectX support: 11.0 (GeForce GT 640M) vs 12 (FL 12_1) (Radeon Vega 3). OpenGL: 4.5 vs 4.6. Maximum simultaneous displays: 1 vs 4.

Feature	GeForce GT 640M	Radeon Vega 3
DirectX	11.0	12 (FL 12_1)+9%
OpenGL	4.5	4.6+2%
Max Displays	1	4+300%

🎬

Media & Encoding

Hardware encoder: NVENC 1.0 (GeForce GT 640M) vs VCN 1.0 (Radeon Vega 3). Decoder: PureVideo HD VP5 vs VCN 1.0. Supported codecs: MPEG-2,H.264,VC-1,MPEG-4 ASP (GeForce GT 640M) vs H.264,H.265/HEVC,AV1 (Radeon Vega 3).

Feature	GeForce GT 640M	Radeon Vega 3
Encoder	NVENC 1.0	VCN 1.0
Decoder	PureVideo HD VP5	VCN 1.0
Codecs	MPEG-2,H.264,VC-1,MPEG-4 ASP	H.264,H.265/HEVC,AV1

🔌

Power & Dimensions

The GeForce GT 640M draws 32W versus the Radeon Vega 3's 45W — a 33.8% difference. The GeForce GT 640M is more power-efficient. Recommended PSU: 350W (GeForce GT 640M) vs 1W (Radeon Vega 3). Power connectors: PCIe-powered vs Integrated.

Feature	GeForce GT 640M	Radeon Vega 3
TDP	32W-29%	45W
Recommended PSU	350W	1W-100%
Power Connector	PCIe-powered	Integrated
Length	0mm	—
Height	0mm	—
Slots	0	0
Temp (Load)	70°C	—
Perf/Watt	28.3+43%	19.8

💰

Value Analysis

The Radeon Vega 3 costs 100+% less ($50 savings) at current market prices. Performance per dollar (G3D Mark / price): 18.1 (GeForce GT 640M) vs Infinity (Radeon Vega 3) — the Radeon Vega 3 offers Infinity% better value. The Radeon Vega 3 is the newer GPU (2021 vs 2012).