NVIDIA RTX A2000 Max-Q vs NVIDIA GeForce GT 645M
We compared two Mobile platform GPUs: 4GB VRAM RTX A2000 Max Q and 2GB VRAM GeForce GT 645M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA RTX A2000 Max-Q 's Advantages
Released 8 years and 6 months late
Boost Clock1207MHz
More VRAM (4GB vs 2GB)
Larger VRAM bandwidth (176.0GB/s vs 28.80GB/s)
2176 additional rendering cores
NVIDIA GeForce GT 645M 's Advantages
Lower TDP (32W vs 95W)
Score
Benchmark
FP32 (float)
RTX A2000 Max Q
+1036%
6.18 TFLOPS
GeForce GT 645M
0.544 TFLOPS
Graphics Card
Apr 2021
Release Date
Oct 2012
Ampere-MW
Generation
GeForce 600M
Mobile
Type
Mobile
PCIe 4.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
682 MHz
Base Clock
-
1207 MHz
Boost Clock
-
1375 MHz
Memory Clock
900 MHz
Memory
4GB
Memory Size
2GB
GDDR6
Memory Type
DDR3
128bit
Memory Bus
128bit
176.0GB/s
Bandwidth
28.80GB/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
16 KB (per SMX)
2 MB
L2 Cache
256 KB
-
-
-
Theoretical Performance
57.94 GPixel/s
Pixel Rate
5.672 GPixel/s
96.56 GTexel/s
Texture Rate
22.69 GTexel/s
6.180 TFLOPS
FP16 (half)
-
6.180 TFLOPS
FP32 (float)
544.5 GFLOPS
96.56 GFLOPS
FP64 (double)
22.69 GFLOPS
Board Design
95W
TDP
32W
-
-
-
Portable Device Dependent
Outputs
No outputs
None
Power Connectors
-
Graphics Processor
GA107
GPU Name
GK107
-
GPU Variant
N13P-GS
Ampere
Architecture
Kepler
Samsung
Foundry
TSMC
8 nm
Process Size
28 nm
8.7 billion
Transistors
1.27 billion
200 mm²
Die Size
118 mm²
Graphics Features
12 Ultimate (12_2)
DirectX
12 (11_0)
4.6
OpenGL
4.6
3.0
OpenCL
3.0
1.3
Vulkan
1.1
8.6
CUDA
3.0
6.8
Shader Model
5.1
