NVIDIA RTX A2000 Mobile 8 GB vs NVIDIA GeForce 845M
We compared two Mobile platform GPUs: 8GB VRAM RTX A2000 Mobile 8 GB and 2GB VRAM GeForce 845M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA RTX A2000 Mobile 8 GB 's Advantages
Released 5 years and 8 months late
Boost Clock has increased by 37% (1612MHz vs 1176MHz)
More VRAM (8GB vs 2GB)
Larger VRAM bandwidth (224.0GB/s vs 40.10GB/s)
2176 additional rendering cores
NVIDIA GeForce 845M 's Advantages
Lower TDP (33W vs 95W)
Score
Benchmark
FP32 (float)
RTX A2000 Mobile 8 GB
+813%
8.253 TFLOPS
GeForce 845M
0.903 TFLOPS
Graphics Card
Apr 2021
Release Date
Aug 2015
Ampere-MW
Generation
GeForce 800M
Mobile
Type
Mobile
PCIe 4.0 x16
Bus Interface
PCIe 3.0 x8
Clock Speeds
1117 MHz
Base Clock
1071 MHz
1612 MHz
Boost Clock
1176 MHz
1750 MHz
Memory Clock
1253 MHz
Memory
8GB
Memory Size
2GB
GDDR6
Memory Type
GDDR5
128bit
Memory Bus
64bit
224.0GB/s
Bandwidth
40.10GB/s
Render Config
-
-
-
20
SM Count
-
2560
Shading Units
384
80
TMUs
32
48
ROPs
16
80
Tensor Cores
-
20
RT Cores
-
128 KB (per SM)
L1 Cache
64 KB (per SMM)
2 MB
L2 Cache
1024 KB
-
-
-
Theoretical Performance
77.38 GPixel/s
Pixel Rate
18.82 GPixel/s
129.0 GTexel/s
Texture Rate
37.63 GTexel/s
8.253 TFLOPS
FP16 (half)
-
8.253 TFLOPS
FP32 (float)
903.2 GFLOPS
129.0 GFLOPS
FP64 (double)
28.22 GFLOPS
Board Design
95W
TDP
33W
-
-
-
Portable Device Dependent
Outputs
No outputs
None
Power Connectors
-
Graphics Processor
GA107
GPU Name
GM108
-
-
-
Ampere
Architecture
Maxwell
Samsung
Foundry
TSMC
8 nm
Process Size
28 nm
8.7 billion
Transistors
Unknown
200 mm²
Die Size
Unknown
Graphics Features
12 Ultimate (12_2)
DirectX
12 (11_0)
4.6
OpenGL
4.6
3.0
OpenCL
3.0
1.3
Vulkan
1.3
8.6
CUDA
5.0
6.8
Shader Model
5.1
