GPU Comparison
GEFORCE
NVIDIA GeForce RTX 4090 Mobile
CORE STATE
AD103
VRAM
16 GB
CLOCK SPEED
1695 MHz
TDP
120 W
BUS WIDTH
256 bit
ARCHITECTURE
Ada Lovelace
PROCESS
5 nm
LAUNCH DATE
2023
VS
GEFORCE
Quadro K620M
CORE STATE
GM108S
VRAM
2 GB
CLOCK SPEED
1124 MHz
TDP
30 W
BUS WIDTH
64 bit
ARCHITECTURE
Maxwell
PROCESS
28 nm
LAUNCH DATE
2015
PERFORMANCE BENCHMARKS
geekbench_opencl
geekbench_vulkan
passmark_directx_10
passmark_directx_11
passmark_directx_12
passmark_directx_9
passmark_g2d
passmark_g3d
passmark_gpu_compute
DETAILED SPECIFICATIONS
SPECIFICATION
RTX 4090 Mobile
Quadro K620M
Core Specs
Shading Units
9,728
384
-96.1%
Shaders
9,728
384
-96.1%
TMUs
304
16
-94.7%
ROPs
112
8
-92.9%
SM Count
76
—
Clocks
Base Clock
1335 MHz
1029 MHz
Boost Clock
1695 MHz
1124 MHz
Memory Clock
2250 MHz
18 Gbps effective
1001 MHz
2 Gbps effective
Memory
Memory Size
16 GB
2 GB
VRAM (MB)
16,384
2,048
-87.5%
Memory Type
GDDR6
DDR3
Memory Bus
256 bit
64 bit
Bandwidth
576.0 GB/s
16.02 GB/s
Cache
L1 Cache
128 KB (per SM)
64 KB (per SMM)
L2 Cache
64 MB
1024 KB
Performance
Pixel Rate
189.8 GPixel/s
8.992 GPixel/s
Texture Rate
515.3 GTexel/s
17.98 GTexel/s
FP32 (TFLOPS)
32.98 TFLOPS
863.2 GFLOPS
FP64 (TFLOPS)
515.3 GFLOPS (1:64)
26.98 GFLOPS (1:32)
FP16 (TFLOPS)
32.98 TFLOPS (1:1)
—
AI/RT
RT Cores
76
—
Tensor Cores
304
—
Power
TDP
120 W
30 W
TDP (W)
120
30
-75.0%
Power Connectors
None
None
Architecture
Architecture
Ada Lovelace
Maxwell
GPU Name
AD103
GM108S
Generation
GeForce 40 Mobile
Quadro Kepler-M
(Kx200M)
Process Size
5 nm
28 nm
Transistors
45,900 million
1,020 million
Die Size
379 mm²
77 mm²
Foundry
TSMC
TSMC
Density
121.1M / mm²
13.2M / mm²
API Support
DirectX
12 Ultimate (12_2)
12 (11_0)
OpenGL
4.6
4.6
Vulkan
1.4
1.4
OpenCL
3.0
3.0
CUDA
8.9
5.0
Shader Model
6.8
6.7 (5.1)
Physical
Slot Width
IGP
MXM Module
Outputs
Portable Device Dependent
Portable Device Dependent
Bus Interface
PCIe 4.0 x16
MXM-A (3.0)
Other
Production
Active
End-of-life
Predecessor
GeForce 30 Mobile
Quadro Fermi-M
Successor
GeForce 50 Mobile
Quadro Maxwell-M