NVIDIA GeForce GTX 870M vs NVIDIA RTX A500 Mobile
GPU · Specs Compare
Graphics Card
Release Date
Mar 2014
Mar 2022
Generation
GeForce 800M
Ampere-MW
Type
Mobile
Professional
Bus Interface
MXM-B (3.0)
PCIe 4.0 x8
Clock Speeds
Base Clock
941 MHz
832 MHz
Boost Clock
967 MHz
1537 MHz
Memory Clock
1250 MHz
1500 MHz
Memory
Memory Size
3GB
4GB
Memory Type
GDDR5
GDDR6
Memory Bus
192bit
64bit
Bandwidth
120.0GB/s
96.00GB/s
Render Config
Shading Units
1344
2048
TMUs
112
64
ROPs
24
32
L1 Cache
16 KB (per SMX)
128 KB (per SM)
L2 Cache
384 KB
2 MB
SM Count
—
16
Tensor Cores
—
64
RT Cores
—
16
Theoretical Performance
Pixel Rate
27.08 GPixel/s
49.18 GPixel/s
Texture Rate
108.3 GTexel/s
98.37 GTexel/s
FP32 (float)
2.599 TFLOPS
6.296 TFLOPS
FP64 (double)
108.3 GFLOPS
98.37 GFLOPS
FP16 (half)
—
6.296 TFLOPS
Graphics Processor
GPU Name
GK104
GA107S
GPU Variant
N15E-GT-A2
—
Architecture
Kepler
Ampere
Foundry
TSMC
Samsung
Process Size
28 nm
8 nm
Transistors
3.54 billion
8.7 billion
Die Size
294 mm²
200 mm²
Board Design
TDP
100W
30W
Outputs
No outputs
Portable Device Dependent
Power Connectors
None
None
Graphics Features
DirectX
12 (11_0)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
3.0
3.0
Vulkan
1.1
1.3
CUDA
3.0
8.6
Shader Model
5.1
6.8
▲ Specs Compare
Data sourced from official specifications and benchmark tests.