GeForce RTX 4090 Mobile vs GeForce GT 650M
We compared two Mobile platform GPUs: 16GB VRAM GeForce RTX 4090 Mobile and 1024MB VRAM GeForce GT 650M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
GeForce RTX 4090 Mobile Advantages
Released 10 years and 10 months late
Boost Clock has increased by 78% (1695MHz vs 950MHz)
More VRAM (16GB vs 1024GB)
Larger VRAM bandwidth (576.0GB/s vs 28.80GB/s)
9344 additional rendering cores
GeForce GT 650M Advantages
Lower TDP (45W vs 120W)
Score
Benchmark
FP32 (float)
GeForce RTX 4090 Mobile
+4417%
32980
GeForce GT 650M
730
3DMark Time Spy
GeForce RTX 4090 Mobile
+5055%
21498
GeForce GT 650M
417
3DMark Time Spy Extreme
GeForce RTX 4090 Mobile
+6781%
10528
GeForce GT 650M
153
Graphics Card
Jan 2023
Release Date
Mar 2012
GeForce 40 Mobile
Generation
GeForce 600M
Mobile
Type
Mobile
PCIe 4.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
1335 MHz
Base Clock
835 MHz
1695 MHz
Boost Clock
950 MHz
2250 MHz
Memory Clock
900 MHz
Memory
16GB
Memory Size
1024MB
GDDR6
Memory Type
DDR3
256bit
Memory Bus
128bit
576.0GB/s
Bandwidth
28.80GB/s
Render Config
76
SM Count
-
9728
Shading Units
384
304
TMUs
32
112
ROPs
16
304
Tensor Cores
-
76
RT Cores
-
128 KB (per SM)
L1 Cache
16 KB (per SMX)
64 MB
L2 Cache
256 KB
Theoretical Performance
189.8 GPixel/s
Pixel Rate
7.600 GPixel/s
515.3 GTexel/s
Texture Rate
30.40 GTexel/s
32.98 TFLOPS
FP16 (half)
-
32.98 TFLOPS
FP32 (float)
729.6 GFLOPS
515.3 GFLOPS
FP64 (double)
30.40 GFLOPS
Board Design
120W
TDP
45W
Portable Device Dependent
Outputs
No outputs
None
Power Connectors
-
Graphics Processor
AD103
GPU Name
GK107
GN21-X11
GPU Variant
N13P-GT-A2
Ada Lovelace
Architecture
Kepler
TSMC
Foundry
TSMC
5 nm
Process Size
28 nm
45.9 billion
Transistors
1.27 billion
379 mm²
Die Size
118 mm²
Graphics Features
12 Ultimate (12_2)
DirectX
12 (11_0)
4.6
OpenGL
4.6
3.0
OpenCL
3.0
1.3
Vulkan
1.1
8.9
CUDA
3.0
6.8
Shader Model
5.1
