GeForce GT 740A vs GeForce RTX 3080 Mobile
We compared two Mobile platform GPUs: 2GB VRAM GeForce GT 740A and 8GB VRAM GeForce RTX 3080 Mobile to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
GeForce GT 740A 's Advantages
Lower TDP (33W vs 115W)
GeForce RTX 3080 Mobile 's Advantages
Released 7 years and 5 months late
Boost Clock1545MHz
More VRAM (8GB vs 2GB)
Larger VRAM bandwidth (448.0GB/s vs 14.40GB/s)
5760 additional rendering cores
Score
Benchmark
FP32 (float)
GeForce GT 740A
753
GeForce RTX 3080 Mobile
+2420%
18980
Graphics Card
Aug 2013
Release Date
Jan 2021
GeForce 700A
Generation
GeForce 30 Mobile
Mobile
Type
Mobile
PCIe 3.0 x8
Bus Interface
PCIe 4.0 x16
Clock Speeds
-
Base Clock
1110 MHz
-
Boost Clock
1545 MHz
900 MHz
Memory Clock
1750 MHz
Memory
2GB
Memory Size
8GB
DDR3
Memory Type
GDDR6
64bit
Memory Bus
256bit
14.40GB/s
Bandwidth
448.0GB/s
Render Config
-
SM Count
48
384
Shading Units
6144
32
TMUs
192
8
ROPs
96
-
Tensor Cores
192
-
RT Cores
48
16 KB (per SMX)
L1 Cache
128 KB (per SM)
512 KB
L2 Cache
4 MB
Theoretical Performance
7.840 GPixel/s
Pixel Rate
148.3 GPixel/s
31.36 GTexel/s
Texture Rate
296.6 GTexel/s
-
FP16 (half)
18.98 TFLOPS
752.6 GFLOPS
FP32 (float)
18.98 TFLOPS
31.36 GFLOPS
FP64 (double)
296.6 GFLOPS
Board Design
33W
TDP
115W
No outputs
Outputs
No outputs
-
Power Connectors
None
Graphics Processor
GK208
GPU Name
GA104
GT 740M
GPU Variant
GA104-775-A1
Kepler 2.0
Architecture
Ampere
TSMC
Foundry
Samsung
28 nm
Process Size
8 nm
1.02 billion
Transistors
17.4 billion
87 mm²
Die Size
392 mm²
Graphics Features
12 (11_0)
DirectX
12 Ultimate (12_2)
4.6
OpenGL
4.6
3.0
OpenCL
3.0
1.1
Vulkan
1.3
3.5
CUDA
8.6
5.1
Shader Model
6.6
