NVIDIA RTX A2000 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
1215 MHz
941 MHz
Boost Clock
1687 MHz
967 MHz
Memory Clock
1500 MHz
1250 MHz
Memory
Memory Size
4GB
3GB
Memory Type
GDDR6
GDDR5
Memory Bus
128bit
192bit
Bandwidth
192.0GB/s
120.0GB/s
Render Config
SM Count
20
—
Shading Units
2560
1344
TMUs
80
112
ROPs
48
24
Tensor Cores
80
—
RT Cores
20
—
L1 Cache
128 KB (per SM)
16 KB (per SMX)
L2 Cache
2 MB
384 KB
Theoretical Performance
Pixel Rate
80.98 GPixel/s
27.08 GPixel/s
Texture Rate
135.0 GTexel/s
108.3 GTexel/s
FP16 (half)
8.637 TFLOPS
—
FP32 (float)
8.637 TFLOPS
2.599 TFLOPS
FP64 (double)
135.0 GFLOPS
108.3 GFLOPS
Graphics Processor
GPU Name
GA107
GK104
Architecture
Ampere
Kepler
Foundry
Samsung
TSMC
Process Size
8 nm
28 nm
Transistors
8.7 billion
3.54 billion
Die Size
200 mm²
294 mm²
GPU Variant
—
N15E-GT-A2
Board Design
TDP
95W
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
▲ Specs Compare
Data sourced from official specifications and benchmark tests.