NVIDIA GeForce GTX 870M vs NVIDIA GeForce RTX 4090
GPU Specs Compare
Graphics Card
Release Date
Mar 2014
Sep 2022
Generation
GeForce 800M
GeForce 40
Type
Mobile
Desktop
Bus Interface
MXM-B (3.0)
PCIe 4.0 x16
Clock Speeds
Base Clock
941 MHz
2235 MHz
Boost Clock
967 MHz
2520 MHz
Memory Clock
1250 MHz
1313 MHz
Memory
Memory Size
3GB
24GB
Memory Type
GDDR5
GDDR6X
Memory Bus
192bit
384bit
Bandwidth
120.0GB/s
1.01TB/s
Render Config
Shading Units
1344
16384
TMUs
112
512
ROPs
24
176
L1 Cache
16 KB (per SMX)
128 KB (per SM)
L2 Cache
384 KB
72 MB
SM Count
-
128
Tensor Cores
-
512
RT Cores
-
128
Theoretical Performance
Pixel Rate
27.08 GPixel/s
443.5 GPixel/s
Texture Rate
108.3 GTexel/s
1290.2 GTexel/s
FP32 (float)
2.599 TFLOPS
82.58 TFLOPS
FP64 (double)
108.3 GFLOPS
1290.2 GFLOPS
FP16 (half)
-
82.58 TFLOPS
Graphics Processor
GPU Name
GK104
AD102
GPU Variant
N15E-GT-A2
AD102-300-A1
Architecture
Kepler
Ada Lovelace
Foundry
TSMC
TSMC
Process Size
28 nm
5 nm
Transistors
3.54 billion
76.3 billion
Die Size
294 mm²
609 mm²
Board Design
TDP
100W
450W
Outputs
No outputs
1x HDMI 2.13x DisplayPort 1.4a
Power Connectors
None
1x 16-pin
Suggested PSU
-
850 W
Graphics Features
DirectX
12 (11_0)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
3.0
3.0
Vulkan
1.1
1.4
CUDA
3.0
8.9
Shader Model
5.1
6.8