GeForce GT 640M LE vs Radeon RX Vega 3

CPU

GPU

GeForce GT 640M LE

2012Core: Up to 625 MHzBoost: 645 MHz

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Radeon RX Vega 3

2019Core: 300 MHzBoost: 1001 MHz

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GeForce GT 640M LE vs Radeon RX Vega 3 Performance Spectrum

GeForce GT 640M LE

2 GB 32

697

+1.9%

GeForce GTX 1060 6 GB

GeForce GTX 1070 Ti

GeForce RTX 2080 SUPER

Radeon RX Vega 3

Shared System RAM 15

684

0.0%

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 640M LE vs Radeon RX Vega 3 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 640M LE vs Radeon RX Vega 3: 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 640M LE

2012

Why buy it

✅Delivers 100+% more G3D Mark for each dollar spent, at 8.7 vs 0 G3D/$ ($80 MSRP vs Unknown MSRP).
✅100+% more VRAM for high-resolution textures and newer games (2 GB vs Unknown).
✅Radeon RX Vega 3 is already obsolete for modern gaming, so GeForce GT 640M LE is the less risky modern option long term.

Trade-offs

❌Lower average FPS than Radeon RX Vega 3 across 50 tracked games in our benchmark data.
❌2012 hardware with 2 GB of VRAM is already well past its comfortable zone for modern gaming, so it is hard to recommend now.
❌113.3% higher power demand at 32W vs 15W.

Radeon RX Vega 3

2019

Why buy it

✅37.4% more average FPS across 50 tracked games in our benchmark data.
✅Draws 15W instead of 32W, a 17W reduction.
✅More future proof: GCN 5.0 (2017−2020) on 14nm with a newer platform for upcoming games.

Trade-offs

❌Less VRAM, with Unknown vs 2 GB for high-resolution textures and newer games.
❌2019 hardware with Unknown of VRAM is already well past its comfortable zone for modern gaming, so it is hard to recommend now.
❌Lower G3D Mark per dollar, at 0 vs 8.7 G3D/$ (Unknown MSRP vs $80 MSRP).

Quick Answers

Which GPU is faster for gaming right now?

Radeon RX Vega 3 is the faster gaming card right now. In our data, it leads by 37.4% in average FPS across 50 tracked games in our benchmark data. PassMark G3D leans toward GeForce GT 640M LE instead at 697 vs 684, 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 640M LE is the safer long-term pick for 2026 and beyond. The case is simple: 2 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 640M LE makes the most sense today based on the pricing and value data we have for this matchup. Radeon RX Vega 3 still makes more sense if max raw gaming performance matters more than value.

GeForce GT 640M LE vs Radeon RX Vega 3 Technical Specifications

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

GeForce GT 640M LE

The GeForce GT 640M LE 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: 697 points.

Radeon RX Vega 3

The Radeon RX Vega 3 is manufactured by AMD. It was released in January 6 2019. It features the GCN 5.0 architecture. The core clock ranges from 300 MHz to 1001 MHz. It has 192 shading units. The thermal design power (TDP) is 15W. Manufactured using 14 nm process technology. G3D Mark benchmark score: 684 points.

⚡

Graphics Performance

The GeForce GT 640M LE scores 697 and the Radeon RX Vega 3 reaches 684 in the G3D Mark benchmark — just a 1.9% difference, making them near-identical in rasterization performance. The GeForce GT 640M LE is built on Kepler while the Radeon RX Vega 3 uses GCN 5.0, both on 28 nm vs 14 nm. Shader units: 384 (GeForce GT 640M LE) vs 192 (Radeon RX Vega 3). Raw compute: 0.48 TFLOPS (GeForce GT 640M LE) vs 0.3844 TFLOPS (Radeon RX Vega 3). Boost clocks: 645 MHz vs 1001 MHz.

Feature	GeForce GT 640M LE	Radeon RX Vega 3
G3D Mark Score	697+2%	684
Architecture	Kepler	GCN 5.0
Process Node	28 nm	14 nm
Shading Units	384+100%	192
Compute (TFLOPS)	0.48 TFLOPS+25%	0.3844 TFLOPS
Boost Clock	645 MHz	1001 MHz+55%
ROPs	16+300%	4
TMUs	32+167%	12

✨

Advanced Features (DLSS/FSR)

The GeForce GT 640M LE gets NVIDIA DLSS, which still tends to look cleaner in motion. The Radeon RX Vega 3 leans on FSR, which is flexible and widely supported, but usually a bit rougher at the same settings.

Feature	GeForce GT 640M LE	Radeon RX Vega 3
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

💾

Video Memory (VRAM)

The GeForce GT 640M LE has 2 GB of VRAM, while the Radeon RX Vega 3 carries 0 MB. GeForce GT 640M LE 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 640M LE and System on the Radeon RX Vega 3.

Feature	GeForce GT 640M LE	Radeon RX 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: 12 (11_0) (GeForce GT 640M LE) vs 12 (12_1) (Radeon RX Vega 3). Vulkan: 1.2 vs 1.3. OpenGL: 4.6 vs 4.6. Maximum simultaneous displays: 4 vs 3.

Feature	GeForce GT 640M LE	Radeon RX Vega 3
DirectX	12 (11_0)	12 (12_1)
Vulkan	1.2	1.3+8%
OpenGL	4.6	4.6
Max Displays	4+33%	3

🎬

Media & Encoding

Hardware encoder: NVENC 1st Gen (GeForce GT 640M LE) vs VCE 3.4 (Radeon RX Vega 3). Decoder: VP5 vs UVD 6.3. Supported codecs: H.264,MPEG-2,VC-1,MPEG-4 (GeForce GT 640M LE) vs H.264,H.265,VP9 (Radeon RX Vega 3).

Feature	GeForce GT 640M LE	Radeon RX Vega 3
Encoder	NVENC 1st Gen	VCE 3.4
Decoder	VP5	UVD 6.3
Codecs	H.264,MPEG-2,VC-1,MPEG-4	H.264,H.265,VP9

🔌

Power & Dimensions

The GeForce GT 640M LE draws 32W versus the Radeon RX Vega 3's 15W — a 72.3% difference. The Radeon RX Vega 3 is more power-efficient. Recommended PSU: 350W (GeForce GT 640M LE) vs 1W (Radeon RX Vega 3). Power connectors: PCIe-powered vs Integrated. Card length: 0mm vs 0mm, occupying 0 vs 0 slots. Typical load temperature: 85 vs 75.

Feature	GeForce GT 640M LE	Radeon RX Vega 3
TDP	32W	15W-53%
Recommended PSU	350W	1W-100%
Power Connector	PCIe-powered	Integrated
Length	0mm	0mm
Height	0mm	0mm
Slots	0	0
Temp (Load)	85	75-12%
Perf/Watt	21.8	45.6+109%

💰

Value Analysis

At launch, the GeForce GT 640M LE came in at $80, while the Radeon RX Vega 3 launched at $0. On MSRP, Radeon RX Vega 3 was 100+% cheaper ($80 less). Performance per dollar on MSRP (G3D Mark / MSRP): 8.7 (GeForce GT 640M LE) vs Infinity (Radeon RX Vega 3) — the Radeon RX Vega 3 offers Infinity% better value. The newer card here is Radeon RX Vega 3 (2019 vs 2012).

Feature	GeForce GT 640M LE	Radeon RX Vega 3
MSRP	$80	$0-100%
Performance per Dollar	8.7	Infinity
Codename	GK107	Picasso
Release	March 22 2012	January 6 2019
Ranking	#909	#845

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