GeForce GT 640M LE vs Radeon HD 7660G + HD 8670M Dual

CPU

GPU

GeForce GT 640M LE

2012Core: Up to 625 MHzBoost: 645 MHz

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Radeon HD 7660G + HD 8670M Dual

2013Core: 720 / 775 MHz

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GeForce GT 640M LE vs Radeon HD 7660G + HD 8670M Dual Performance Spectrum

GeForce GT 640M LE

2 GB 32

697

0.0%

GeForce GTX 1060 6 GB

GeForce GTX 1070 Ti

GeForce RTX 2080 SUPER

Radeon HD 7660G + HD 8670M Dual

0.5 GB 50

711

+2.0%

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 HD 7660G + HD 8670M Dual 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 HD 7660G + HD 8670M Dual: 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

✅Costs $70 less on MSRP ($80 MSRP vs $150 MSRP).
✅Delivers 83.8% more G3D Mark for each dollar spent, at 8.7 vs 4.7 G3D/$ ($80 MSRP vs $150 MSRP).
✅300% more VRAM for high-resolution textures and newer games (2 GB vs 512 MB).
✅Draws 32W instead of 50W, a 18W reduction.

Trade-offs

❌Lower average FPS than Radeon HD 7660G + HD 8670M Dual 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.

Radeon HD 7660G + HD 8670M Dual

2013

Why buy it

✅91.4% more average FPS across 50 tracked games in our benchmark data.

Trade-offs

❌Less VRAM, with 512 MB vs 2 GB for high-resolution textures and newer games.
❌2013 hardware with 512 MB of VRAM is already well past its comfortable zone for modern gaming, so it is hard to recommend now.
❌
87.5% HIGHER MSRP
$150 MSRPvs$80 MSRP
❌Lower G3D Mark per dollar, at 4.7 vs 8.7 G3D/$ ($150 MSRP vs $80 MSRP).
❌56.3% higher power demand at 50W vs 32W.

Quick Answers

Which GPU is faster for gaming right now?

Radeon HD 7660G + HD 8670M Dual is the faster gaming card right now. In our data, it leads by 91.4% in average FPS across 50 tracked games in our benchmark data and by 2% in PassMark G3D (711 vs 697), so the answer here is pretty clean.

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 512 MB 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 to buy today. It is $70 cheaper on MSRP at $80 vs $150, and it leads G3D-per-dollar by 83.8% (8.7 vs 4.7), which is enough to swing the recommendation its way. Radeon HD 7660G + HD 8670M Dual still makes more sense if max raw gaming performance matters more than value.

GeForce GT 640M LE vs Radeon HD 7660G + HD 8670M Dual 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 HD 7660G + HD 8670M Dual

The Radeon HD 7660G + HD 8670M Dual is manufactured by AMD. It was released in August 1 2013. The core clock speed is 720 / 775 MHz. It has 768 shading units. The thermal design power (TDP) is 50W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 711 points.

⚡

Graphics Performance

The GeForce GT 640M LE scores 697 and the Radeon HD 7660G + HD 8670M Dual reaches 711 in the G3D Mark benchmark — just a 2% difference, making them near-identical in rasterization performance. Shader units: 384 (GeForce GT 640M LE) vs 768 (Radeon HD 7660G + HD 8670M Dual).

Feature	GeForce GT 640M LE	Radeon HD 7660G + HD 8670M Dual
G3D Mark Score	697	711+2%
Process Node	28 nm	28 nm
Shading Units	384	768+100%

✨

Advanced Features (DLSS/FSR)

The GeForce GT 640M LE gets NVIDIA DLSS, which still tends to look cleaner in motion. The Radeon HD 7660G + HD 8670M Dual leans on FSR, which is flexible and widely supported, but usually a bit rougher at the same settings.

Feature	GeForce GT 640M LE	Radeon HD 7660G + HD 8670M Dual
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 HD 7660G + HD 8670M Dual carries 512 MB. GeForce GT 640M LE gives you 300% 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 128-bit on the Radeon HD 7660G + HD 8670M Dual.

Feature	GeForce GT 640M LE	Radeon HD 7660G + HD 8670M Dual
VRAM Capacity	2 GB+300%	0.5 GB
Memory Type	GDDR5	GDDR5
Memory Bandwidth	Unknown	Unknown
Bus Width	128-bit	128-bit

🖥️

Display & API Support

DirectX support: 12 (11_0) (GeForce GT 640M LE) vs 11.2 (FL 11_0) (Radeon HD 7660G + HD 8670M Dual). OpenGL: 4.6 vs 4.4. Maximum simultaneous displays: 4 vs 4.

Feature	GeForce GT 640M LE	Radeon HD 7660G + HD 8670M Dual
DirectX	12 (11_0)+7%	11.2 (FL 11_0)
OpenGL	4.6+5%	4.4
Max Displays	4	4

🎬

Media & Encoding

Hardware encoder: NVENC 1st Gen (GeForce GT 640M LE) vs VCE 1.0 (Radeon HD 7660G + HD 8670M Dual). Decoder: VP5 vs UVD 3.1. Supported codecs: H.264,MPEG-2,VC-1,MPEG-4 (GeForce GT 640M LE) vs H.264,VC-1,MPEG-2 (Radeon HD 7660G + HD 8670M Dual).

Feature	GeForce GT 640M LE	Radeon HD 7660G + HD 8670M Dual
Encoder	NVENC 1st Gen	VCE 1.0
Decoder	VP5	UVD 3.1
Codecs	H.264,MPEG-2,VC-1,MPEG-4	H.264,VC-1,MPEG-2

🔌

Power & Dimensions

The GeForce GT 640M LE draws 32W versus the Radeon HD 7660G + HD 8670M Dual's 50W — a 43.9% difference. The GeForce GT 640M LE is more power-efficient. Recommended PSU: 350W (GeForce GT 640M LE) vs 350W (Radeon HD 7660G + HD 8670M Dual). Power connectors: PCIe-powered vs 1x 6-pin.

Feature	GeForce GT 640M LE	Radeon HD 7660G + HD 8670M Dual
TDP	32W-36%	50W
Recommended PSU	350W	350W
Power Connector	PCIe-powered	1x 6-pin
Length	0mm	—
Height	0mm	—
Slots	0	0
Temp (Load)	85	—
Perf/Watt	21.8+54%	14.2

💰

Value Analysis

At launch, the GeForce GT 640M LE came in at $80, while the Radeon HD 7660G + HD 8670M Dual launched at $150. On MSRP, GeForce GT 640M LE was 46.7% cheaper ($70 less). Performance per dollar on MSRP (G3D Mark / MSRP): 8.7 (GeForce GT 640M LE) vs 4.7 (Radeon HD 7660G + HD 8670M Dual) — the GeForce GT 640M LE offers 85.1% better value. The newer card here is Radeon HD 7660G + HD 8670M Dual (2013 vs 2012).

Feature	GeForce GT 640M LE	Radeon HD 7660G + HD 8670M Dual
MSRP	$80-47%	$150
Performance per Dollar	8.7+85%	4.7
Codename	GK107	—
Release	March 22 2012	August 1 2013
Ranking	#909	#881

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