NVIDIA GeForce GT 820M vs NVIDIA RTX A4000 Max-Q
We compared two Mobile platform GPUs: 1024MB VRAM GeForce GT 820M and 8GB VRAM RTX A4000 Max Q to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA GeForce GT 820M 's Advantages
Lower TDP (15W vs 80W)
NVIDIA RTX A4000 Max-Q 's Advantages
Released 7 years and 5 months late
Boost Clock1395MHz
More VRAM (8GB vs 1024GB)
Larger VRAM bandwidth (352.0GB/s vs 14.40GB/s)
5024 additional rendering cores
Score
Benchmark
FP32 (float)
GeForce GT 820M
0.298 TFLOPS
RTX A4000 Max Q
+4691%
14.28 TFLOPS
Graphics Card
Nov 2013
Release Date
Apr 2021
GeForce 800M
Generation
Ampere-MW
Mobile
Type
Mobile
PCIe 2.0 x16
Bus Interface
PCIe 4.0 x16
Clock Speeds
-
Base Clock
780 MHz
-
Boost Clock
1395 MHz
900 MHz
Memory Clock
1375 MHz
Memory
1024MB
Memory Size
8GB
DDR3
Memory Type
GDDR6
64bit
Memory Bus
256bit
14.40GB/s
Bandwidth
352.0GB/s
Render Config
-
-
-
2
SM Count
40
96
Shading Units
5120
16
TMUs
160
8
ROPs
80
-
Tensor Cores
160
-
RT Cores
40
64 KB (per SM)
L1 Cache
128 KB (per SM)
128 KB
L2 Cache
4 MB
-
-
-
Theoretical Performance
3.100 GPixel/s
Pixel Rate
111.6 GPixel/s
12.40 GTexel/s
Texture Rate
223.2 GTexel/s
-
FP16 (half)
14.28 TFLOPS
297.6 GFLOPS
FP32 (float)
14.28 TFLOPS
24.80 GFLOPS
FP64 (double)
223.2 GFLOPS
Board Design
15W
TDP
80W
-
-
-
No outputs
Outputs
Portable Device Dependent
-
Power Connectors
None
Graphics Processor
GF117
GPU Name
GA104
N15V-GM
GPU Variant
-
Fermi 2.0
Architecture
Ampere
TSMC
Foundry
Samsung
28 nm
Process Size
8 nm
0.585 billion
Transistors
17.4 billion
116 mm²
Die Size
392 mm²
Graphics Features
12 (11_0)
DirectX
12 Ultimate (12_2)
4.6
OpenGL
4.6
1.1
OpenCL
3.0
N/A
Vulkan
1.3
2.1
CUDA
8.6
5.1
Shader Model
6.8
