NVIDIA GeForce GTX 675MX vs NVIDIA GeForce RTX 3080 Mobile
We compared two Mobile platform GPUs: 2GB VRAM GeForce GTX 675MX and 8GB VRAM GeForce RTX 3080 Mobile to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA GeForce GTX 675MX 's Advantages
Lower TDP (100W vs 115W)
NVIDIA GeForce RTX 3080 Mobile 's Advantages
Released 8 years and 3 months late
Boost Clock1545MHz
More VRAM (8GB vs 2GB)
Larger VRAM bandwidth (448.0GB/s vs 115.2GB/s)
5184 additional rendering cores
Score
Benchmark
FP32 (float)
GeForce GTX 675MX
1.256 TFLOPS
GeForce RTX 3080 Mobile
+1411%
18.98 TFLOPS
Graphics Card
Oct 2012
Release Date
Jan 2021
GeForce 600M
Generation
GeForce 30 Mobile
Mobile
Type
Mobile
MXM-B (3.0)
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
GDDR5
Memory Type
GDDR6
256bit
Memory Bus
256bit
115.2GB/s
Bandwidth
448.0GB/s
Render Config
-
-
-
-
SM Count
48
960
Shading Units
6144
80
TMUs
192
32
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
13.08 GPixel/s
Pixel Rate
148.3 GPixel/s
52.32 GTexel/s
Texture Rate
296.6 GTexel/s
-
FP16 (half)
18.98 TFLOPS
1256 GFLOPS
FP32 (float)
18.98 TFLOPS
52.32 GFLOPS
FP64 (double)
296.6 GFLOPS
Board Design
100W
TDP
115W
-
-
-
No outputs
Outputs
No outputs
None
Power Connectors
None
Graphics Processor
GK104
GPU Name
GA104
N13E-GSR-A2
GPU Variant
GA104-775-A1
Kepler
Architecture
Ampere
TSMC
Foundry
Samsung
28 nm
Process Size
8 nm
3.54 billion
Transistors
17.4 billion
294 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
3.0
CUDA
8.6
5.1
Shader Model
6.6
