NVIDIA RTX A3000 Mobile vs NVIDIA GeForce GTX 870M
GPU Specs Compare
Graphics Card
Release Date
Apr 2021
Mar 2014
Generation
Ampere-MW
GeForce 800M
Type
Professional
Mobile
Bus Interface
PCIe 4.0 x16
MXM-B (3.0)
Clock Speeds
Base Clock
600 MHz
941 MHz
Boost Clock
1230 MHz
967 MHz
Memory Clock
1375 MHz
1250 MHz
Memory
Memory Size
6GB
3GB
Memory Type
GDDR6
GDDR5
Memory Bus
192bit
192bit
Bandwidth
264.0GB/s
120.0GB/s
Render Config
SM Count
32
-
Shading Units
4096
1344
TMUs
128
112
ROPs
64
24
Tensor Cores
128
-
RT Cores
32
-
L1 Cache
128 KB (per SM)
16 KB (per SMX)
L2 Cache
4 MB
384 KB
Theoretical Performance
Pixel Rate
78.72 GPixel/s
27.08 GPixel/s
Texture Rate
157.4 GTexel/s
108.3 GTexel/s
FP16 (half)
10.08 TFLOPS
-
FP32 (float)
10.08 TFLOPS
2.599 TFLOPS
FP64 (double)
157.4 GFLOPS
108.3 GFLOPS
Graphics Processor
GPU Name
GA104
GK104
Architecture
Ampere
Kepler
Foundry
Samsung
TSMC
Process Size
8 nm
28 nm
Transistors
17.4 billion
3.54 billion
Die Size
392 mm²
294 mm²
GPU Variant
-
N15E-GT-A2
Board Design
TDP
70W
100W
Outputs
Portable Device Dependent
No outputs
Power Connectors
None
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
6.8
5.1