GeForce GT 640 vs Radeon RX Vega 10 Ryzen 7 3700C

NVIDIA

GeForce GT 640

2012Core: 902 MHz
Similar parts
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VS
AMD

Radeon RX Vega 10 Ryzen 7 3700C

2020Boost: 2100 MHz
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GeForce GT 640 vs Radeon RX Vega 10 Ryzen 7 3700C Performance Spectrum

About G3D Mark

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.

GeForce GT 640 vs Radeon RX Vega 10 Ryzen 7 3700C FPS Benchmarks

Predicted gaming performance across popular games. Tested paired with Ryzen 7 9800X3D to isolate GPU performance.

Search any supported game below to compare 1080p FPS for both components.

GeForce GT 640 vs Radeon RX Vega 10 Ryzen 7 3700C: Pros, Cons & Final Verdict

See where each GPU makes more sense in practice: raw FPS, VRAM, features, power draw, pricing, and long-term headroom.

GeForce GT 640

2012

Why buy it

  • Costs $51 less on MSRP ($99 MSRP vs $150 MSRP).
  • Delivers 51.9% more G3D Mark for each dollar spent, at 11.8 vs 7.8 G3D/$ ($99 MSRP vs $150 MSRP).
  • 100+% more VRAM for high-resolution textures and newer games (4 GB vs Unknown).

Trade-offs

  • Lower average FPS than Radeon RX Vega 10 Ryzen 7 3700C across 50 tracked games in our benchmark data.
  • 2012 hardware with 4 GB of VRAM is already well past its comfortable zone for modern gaming, so it is hard to recommend now.
  • 333.3% higher power demand at 65W vs 15W.

Radeon RX Vega 10 Ryzen 7 3700C

2020

Why buy it

  • 127.6% more average FPS across 50 tracked games in our benchmark data.
  • Draws 15W instead of 65W, a 50W reduction.
  • More future proof: Vega (2017−2020) on 7nm with a newer platform for upcoming games.

Trade-offs

  • Less VRAM, with Unknown vs 4 GB for high-resolution textures and newer games.
  • 2020 hardware with Unknown of VRAM is already well past its comfortable zone for modern gaming, so it is hard to recommend now.
  • 51.5% HIGHER MSRP
    $150 MSRPvs$99 MSRP
  • Lower G3D Mark per dollar, at 7.8 vs 11.8 G3D/$ ($150 MSRP vs $99 MSRP).

Quick Answers

Which GPU is faster for gaming right now?
Radeon RX Vega 10 Ryzen 7 3700C is the faster gaming card right now. In our data, it leads by 127.6% in average FPS across 50 tracked games in our benchmark data. PassMark G3D leans toward GeForce GT 640 instead at 1,169 vs 1,166, so for this question the real-game FPS result matters more than the synthetic split.
Which GPU is the safer long-term pick for 2026 and beyond?
GeForce GT 640 is the safer long-term pick for 2026 and beyond. The case is simple: 4 GB vs Unknown of VRAM. That gives it more room for heavier textures and higher settings over time.
Which GPU is the better buy today?
GeForce GT 640 makes the most sense to buy today. It is $51 cheaper on MSRP at $99 vs $150, and it leads G3D-per-dollar by 51.9% (11.8 vs 7.8), which is enough to swing the recommendation its way. Radeon RX Vega 10 Ryzen 7 3700C still makes more sense if max raw gaming performance matters more than value.

GeForce GT 640 vs Radeon RX Vega 10 Ryzen 7 3700C Technical Specifications

Side-by-side specs, architecture details, clocks, memory, power, and platform differences.

NVIDIA

GeForce GT 640

The GeForce GT 640 is manufactured by NVIDIA. It was released in June 5 2012. It features the Kepler architecture. The core clock speed is 902 MHz. It has 384 shading units. The thermal design power (TDP) is 65W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 1,169 points. Launch price was $99.

AMD

Radeon RX Vega 10 Ryzen 7 3700C

The Radeon RX Vega 10 Ryzen 7 3700C is manufactured by AMD. It was released in January 7 2020. It features the Vega architecture. The boost clock speed is 2100 MHz. It has 512 shading units. The thermal design power (TDP) is 15W. Manufactured using 7 nm process technology. G3D Mark benchmark score: 1,166 points.

Graphics Performance

The GeForce GT 640 scores 1,169 and the Radeon RX Vega 10 Ryzen 7 3700C reaches 1,166 in the G3D Mark benchmark — just a 0.3% difference, making them near-identical in rasterization performance. The GeForce GT 640 is built on Kepler while the Radeon RX Vega 10 Ryzen 7 3700C uses Vega, both on 28 nm vs 7 nm. Shader units: 384 (GeForce GT 640) vs 512 (Radeon RX Vega 10 Ryzen 7 3700C).

FeatureGeForce GT 640Radeon RX Vega 10 Ryzen 7 3700C
G3D Mark Score
1,169
1,166
Architecture
Kepler
Vega
Process Node
28 nm
7 nm
Shading Units
384
512+33%

Advanced Features (DLSS/FSR)

The GeForce GT 640 gets NVIDIA DLSS, which still tends to look cleaner in motion. The Radeon RX Vega 10 Ryzen 7 3700C leans on FSR, which is flexible and widely supported, but usually a bit rougher at the same settings.

FeatureGeForce GT 640Radeon RX Vega 10 Ryzen 7 3700C
Upscaling Tech
Upscaling support
FSR Upscaling / FSR 4
Frame Generation
Not Supported
Not Supported
Ray Reconstruction
No
No
Low Latency
NVIDIA Reflex
AMD Anti-Lag
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Video Memory (VRAM)

The GeForce GT 640 has 4 GB of VRAM, while the Radeon RX Vega 10 Ryzen 7 3700C carries 0 MB. GeForce GT 640 gives you 100+% more memory capacity, which matters more once you move into heavier textures, mods, or higher resolutions. Memory bus width is 128-bit on the GeForce GT 640 and System on the Radeon RX Vega 10 Ryzen 7 3700C.

FeatureGeForce GT 640Radeon RX Vega 10 Ryzen 7 3700C
VRAM Capacity
4 GB
Shared System RAM
Memory Type
GDDR5
Shared
Memory Bandwidth
Unknown
System
Bus Width
128-bit
System
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Power & Dimensions

The GeForce GT 640 draws 65W versus the Radeon RX Vega 10 Ryzen 7 3700C's 15W — a 125% difference. The Radeon RX Vega 10 Ryzen 7 3700C is more power-efficient. Recommended PSU: 300W (GeForce GT 640) vs 1W (Radeon RX Vega 10 Ryzen 7 3700C). Power connectors: None vs Integrated.

FeatureGeForce GT 640Radeon RX Vega 10 Ryzen 7 3700C
TDP
65W
15W-77%
Recommended PSU
300W
1W-100%
Power Connector
None
Integrated
Length
145mm
Height
111mm
Slots
1
Temp (Load)
60°C
Perf/Watt
18.0
77.7+332%
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Value Analysis

At launch, the GeForce GT 640 came in at $99, while the Radeon RX Vega 10 Ryzen 7 3700C launched at $150. On MSRP, GeForce GT 640 was 34% cheaper ($51 less). Performance per dollar on MSRP (G3D Mark / MSRP): 11.8 (GeForce GT 640) vs 7.8 (Radeon RX Vega 10 Ryzen 7 3700C) — the GeForce GT 640 offers 51.3% better value. The newer card here is Radeon RX Vega 10 Ryzen 7 3700C (2020 vs 2012).

FeatureGeForce GT 640Radeon RX Vega 10 Ryzen 7 3700C
MSRP
$99-34%
$150
Performance per Dollar
11.8+51%
7.8
Codename
GK107
Vega
Release
June 5 2012
January 7 2020
Ranking
#837
#545

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