NVIDIA GeForce RTX 3090 vs NVIDIA GeForce GTX 870M
GPU · Specs Compare
Graphics Card
Release Date
Sep 2020
Mar 2014
Generation
GeForce 30
GeForce 800M
Type
Desktop
Mobile
Bus Interface
PCIe 4.0 x16
MXM-B (3.0)
Clock Speeds
Base Clock
1395 MHz
941 MHz
Boost Clock
1695 MHz
967 MHz
Memory Clock
1219 MHz
1250 MHz
Memory
Memory Size
24GB
3GB
Memory Type
GDDR6X
GDDR5
Memory Bus
384bit
192bit
Bandwidth
936.2GB/s
120.0GB/s
Render Config
SM Count
82
—
Shading Units
10496
1344
TMUs
328
112
ROPs
112
24
Tensor Cores
328
—
RT Cores
82
—
L1 Cache
128 KB (per SM)
16 KB (per SMX)
L2 Cache
6 MB
384 KB
Theoretical Performance
Pixel Rate
189.8 GPixel/s
27.08 GPixel/s
Texture Rate
556.0 GTexel/s
108.3 GTexel/s
FP16 (half)
35.58 TFLOPS
—
FP32 (float)
35.58 TFLOPS
2.599 TFLOPS
FP64 (double)
556.0 GFLOPS
108.3 GFLOPS
Graphics Processor
GPU Name
GA102
GK104
GPU Variant
GA102-300-A1
N15E-GT-A2
Architecture
Ampere
Kepler
Foundry
Samsung
TSMC
Process Size
8 nm
28 nm
Transistors
28.3 billion
3.54 billion
Die Size
628 mm²
294 mm²
Board Design
TDP
350W
100W
Suggested PSU
750 W
—
Outputs
1x HDMI 2.13x DisplayPort 1.4a
No outputs
Power Connectors
1x 12-pin
None
Graphics Features
DirectX
12 Ultimate (12_2)
12 (11_0)
OpenGL
4.6
4.6
OpenCL
3.0
3.0
Vulkan
1.3
1.1
CUDA
8.6
3.0
Shader Model
6.6
5.1
▲ Specs Compare
Data sourced from official specifications and benchmark tests.