GPU Comparison
GEFORCE
NVIDIA GeForce RTX 3080 Mobile
CORE STATE
GA104
VRAM
8 GB
CLOCK SPEED
1545 MHz
TDP
115 W
BUS WIDTH
256 bit
ARCHITECTURE
Ampere
PROCESS
8 nm
LAUNCH DATE
2021
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
3dmark_3dmark_steel_nomad_dx12
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 3080 Mobile
Quadro K620M
Core Specs
Shading Units
6,144
384
-93.8%
Shaders
6,144
384
-93.8%
TMUs
192
16
-91.7%
ROPs
96
8
-91.7%
SM Count
48
—
Clocks
Base Clock
1110 MHz
1029 MHz
Boost Clock
1545 MHz
1124 MHz
Memory Clock
1750 MHz
14 Gbps effective
1001 MHz
2 Gbps effective
Memory
Memory Size
8 GB
2 GB
VRAM (MB)
8,192
2,048
-75.0%
Memory Type
GDDR6
DDR3
Memory Bus
256 bit
64 bit
Bandwidth
448.0 GB/s
16.02 GB/s
Cache
L1 Cache
128 KB (per SM)
64 KB (per SMM)
L2 Cache
4 MB
1024 KB
Performance
Pixel Rate
148.3 GPixel/s
8.992 GPixel/s
Texture Rate
296.6 GTexel/s
17.98 GTexel/s
FP32 (TFLOPS)
18.98 TFLOPS
863.2 GFLOPS
FP64 (TFLOPS)
296.6 GFLOPS (1:64)
26.98 GFLOPS (1:32)
FP16 (TFLOPS)
18.98 TFLOPS (1:1)
—
AI/RT
RT Cores
48
—
Tensor Cores
192
—
Power
TDP
115 W
30 W
TDP (W)
115
30
-73.9%
Power Connectors
None
None
Architecture
Architecture
Ampere
Maxwell
GPU Name
GA104
GM108S
Generation
GeForce 30 Mobile
Quadro Kepler-M
(Kx200M)
Process Size
8 nm
28 nm
Transistors
17,400 million
1,020 million
Die Size
392 mm²
77 mm²
Foundry
Samsung
TSMC
Density
44.4M / 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
8.6
5.0
Shader Model
6.8
6.7 (5.1)
Physical
Slot Width
—
MXM Module
Outputs
Portable Device Dependent
Portable Device Dependent
Bus Interface
PCIe 4.0 x16
MXM-A (3.0)
Other
Production
End-of-life
End-of-life
Predecessor
GeForce 20 Mobile
Quadro Fermi-M
Successor
—
Quadro Maxwell-M