GeForce GT 640M LE vs GeForce GT 740A

NVIDIA

GeForce GT 640M LE

2012Core: Up to 625 MHzBoost: 645 MHz
Similar parts
·······
VS
NVIDIA

GeForce GT 740A

2014Core: 993 MHz
Similar parts
·····

GeForce GT 640M LE vs GeForce GT 740A 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 640M LE vs GeForce GT 740A 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 GeForce GT 740A: 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 $9 less on MSRP ($80 MSRP vs $89 MSRP).
  • 300% more VRAM for high-resolution textures and newer games (2 GB vs 512 MB).
  • Draws 32W instead of 64W, a 32W reduction.

Trade-offs

  • Lower average FPS than GeForce GT 740A 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.

GeForce GT 740A

2014

Why buy it

  • 1.8% 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.
  • 2014 hardware with 512 MB of VRAM is already well past its comfortable zone for modern gaming, so it is hard to recommend now.
  • 11.3% HIGHER MSRP
    $89 MSRPvs$80 MSRP
  • 100% higher power demand at 64W vs 32W.

Quick Answers

Which GPU is faster for gaming right now?
GeForce GT 740A is the faster gaming card right now. In our data, it leads by 1.8% in average FPS across 50 tracked games in our benchmark data and by 1.9% in PassMark G3D (710 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 $9 cheaper on MSRP at $80 vs $89, and it leads G3D-per-dollar by 9.2% (8.7 vs 8.0), which is enough to swing the recommendation its way. GeForce GT 740A still makes more sense if max raw gaming performance matters more than value.

GeForce GT 640M LE vs GeForce GT 740A Technical Specifications

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

NVIDIA

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.

NVIDIA

GeForce GT 740A

The GeForce GT 740A is manufactured by NVIDIA. It was released in May 29 2014. It features the Kepler architecture. The core clock speed is 993 MHz. It has 384 shading units. The thermal design power (TDP) is 64W. Manufactured using 28 nm process technology. G3D Mark benchmark score: 710 points. Launch price was $89.

Graphics Performance

The GeForce GT 640M LE scores 697 and the GeForce GT 740A reaches 710 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 GeForce GT 740A uses Kepler, both on a 28 nm process. Shader units: 384 (GeForce GT 640M LE) vs 384 (GeForce GT 740A). Raw compute: 0.48 TFLOPS (GeForce GT 640M LE) vs 0.7626 TFLOPS (GeForce GT 740A).

FeatureGeForce GT 640M LEGeForce GT 740A
G3D Mark Score
697
710+2%
Architecture
Kepler
Kepler
Process Node
28 nm
28 nm
Shading Units
384
384
Compute (TFLOPS)
0.48 TFLOPS
0.7626 TFLOPS+59%
ROPs
16
16
TMUs
32
32
L1 Cache
32 KB
32 KB
L2 Cache
256 KB
256 KB

Advanced Features (DLSS/FSR)

FeatureGeForce GT 640M LEGeForce GT 740A
Upscaling Tech
Upscaling support
Upscaling support
Frame Generation
Not Supported
Not Supported
Ray Reconstruction
No
No
Low Latency
NVIDIA Reflex
NVIDIA Reflex
💾

Video Memory (VRAM)

The GeForce GT 640M LE has 2 GB of VRAM, while the GeForce GT 740A 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 64-bit on the GeForce GT 740A.

FeatureGeForce GT 640M LEGeForce GT 740A
VRAM Capacity
2 GB+300%
0.5 GB
Memory Type
GDDR5
GDDR5
Memory Bandwidth
Unknown
Unknown
Bus Width
128-bit+100%
64-bit
L2 Cache
256 KB
256 KB
🖥️

Display & API Support

DirectX support: 12 (11_0) (GeForce GT 640M LE) vs 12 (11_0) (GeForce GT 740A). Vulkan: 1.2 vs 1.2. OpenGL: 4.6 vs 4.6. Maximum simultaneous displays: 4 vs 4.

FeatureGeForce GT 640M LEGeForce GT 740A
DirectX
12 (11_0)
12 (11_0)
Vulkan
1.2
1.2
OpenGL
4.6
4.6
Max Displays
4
4
🎬

Media & Encoding

Hardware encoder: NVENC 1st Gen (GeForce GT 640M LE) vs NVENC (Kepler) (GeForce GT 740A). Decoder: VP5 vs PureVideo HD VP5. Supported codecs: H.264,MPEG-2,VC-1,MPEG-4 (GeForce GT 640M LE) vs H.264,VC-1,MPEG-2 (GeForce GT 740A).

FeatureGeForce GT 640M LEGeForce GT 740A
Encoder
NVENC 1st Gen
NVENC (Kepler)
Decoder
VP5
PureVideo HD VP5
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 GeForce GT 740A's 64W — a 66.7% difference. The GeForce GT 640M LE is more power-efficient. Recommended PSU: 350W (GeForce GT 640M LE) vs 250W (GeForce GT 740A). Power connectors: PCIe-powered vs None. Typical load temperature: 85 vs 75°C.

FeatureGeForce GT 640M LEGeForce GT 740A
TDP
32W-50%
64W
Recommended PSU
350W
250W-29%
Power Connector
PCIe-powered
None
Length
0mm
Height
0mm
Slots
0
0
Temp (Load)
85
75°C-12%
Perf/Watt
21.8+96%
11.1
💰

Value Analysis

At launch, the GeForce GT 640M LE came in at $80, while the GeForce GT 740A launched at $89. On MSRP, GeForce GT 640M LE was 10.1% cheaper ($9 less). Performance per dollar on MSRP (G3D Mark / MSRP): 8.7 (GeForce GT 640M LE) vs 8.0 (GeForce GT 740A) — the GeForce GT 640M LE offers 8.7% better value. The newer card here is GeForce GT 740A (2014 vs 2012).

FeatureGeForce GT 640M LEGeForce GT 740A
MSRP
$80-10%
$89
Performance per Dollar
8.7+9%
8.0
Codename
GK107
GK107
Release
March 22 2012
May 29 2014
Ranking
#909
#777

Affiliate Disclosure

ChipVERSUS is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com. We may earn a commission on qualifying purchases made through our links. This comes at no additional cost to you and helps support our work in providing comprehensive PC building guides and tools.

Amazon and the Amazon logo are trademarks of Amazon.com, Inc. or its affiliates.