NVIDIA Tesla P40 vs NVIDIA RTX A4500 Mobile
GPU Specs Compare
Graphics Card
Release Date
Sep 2016
Mar 2022
Generation
Tesla Pascal
Quadro Ampere-M
Type
Professional
Professional
Bus Interface
PCIe 3.0 x16
PCIe 4.0 x16
Clock Speeds
Base Clock
1303 MHz
930 MHz
Boost Clock
1531 MHz
1500 MHz
Memory Clock
1808 MHz
2000 MHz
Memory
Memory Size
24GB
16GB
Memory Type
GDDR5
GDDR6
Memory Bus
384bit
256bit
Bandwidth
347.1GB/s
512.0GB/s
Render Config
SM Count
30
46
Shading Units
3840
5888
TMUs
240
184
ROPs
96
96
L1 Cache
48 KB (per SM)
128 KB (per SM)
L2 Cache
3 MB
4 MB
Tensor Cores
-
184
RT Cores
-
46
Theoretical Performance
Pixel Rate
147.0 GPixel/s
144.0 GPixel/s
Texture Rate
367.4 GTexel/s
276.0 GTexel/s
FP16 (half)
183.7 GFLOPS
17.66 TFLOPS
FP32 (float)
11.76 TFLOPS
17.66 TFLOPS
FP64 (double)
367.4 GFLOPS
276.0 GFLOPS
Graphics Processor
GPU Name
GP102
GA104
Architecture
Pascal
Ampere
Foundry
TSMC
Samsung
Process Size
16 nm
8 nm
Transistors
11.8 billion
17.4 billion
Die Size
471 mm²
392 mm²
Board Design
TDP
250W
140W
Suggested PSU
600 W
-
Outputs
No outputs
Portable Device Dependent
Power Connectors
8-pin EPS
None
Graphics Features
DirectX
12 (12_1)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
3.0
3.0
Vulkan
1.3
1.3
CUDA
6.1
8.6
Shader Model
6.7
6.7