Radeon Vega 3 vs GeForce GT 640M

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.

MSRP is the manufacturer's suggested retail price.•
Avg price is the current average price collected from markets across the web.

Performance Per Dollar

Based on actual market prices and performance benchmarks.

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

Radeon Vega 3 Benchmark Check

GeForce GT 640M Benchmark Check

Technical Specifications

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

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.

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.

⚡

Graphics Performance

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

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

✨

Advanced Features (DLSS/FSR)

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

💾

Video Memory (VRAM)

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

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

🖥️

Display & API Support

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

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

🎬

Media & Encoding

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

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

🔌

Power & Dimensions

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

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

💰

Value Analysis

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