Intel Arc A770M vs NVIDIA GeForce 820M
We compared two Mobile platform GPUs: 16GB VRAM Arc A770M and 2GB VRAM GeForce 820M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
Intel Arc A770M 's Advantages
Released 6 years and 10 months late
Boost Clock1650MHz
More VRAM (16GB vs 2GB)
Larger VRAM bandwidth (512.0GB/s vs 28.83GB/s)
3712 additional rendering cores
NVIDIA GeForce 820M 's Advantages
Lower TDP (45W vs 120W)
Score
Benchmark
FP32 (float)
Arc A770M
+2073%
13.52 TFLOPS
GeForce 820M
0.622 TFLOPS
3DMark Time Spy
Arc A770M
+5446%
10649
GeForce 820M
192
Graphics Card
Jan 2022
Release Date
Mar 2015
Alchemist
Generation
GeForce 800M
Mobile
Type
Mobile
PCIe 4.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
300 MHz
Base Clock
-
1650 MHz
Boost Clock
-
2000 MHz
Memory Clock
901 MHz
Memory
16GB
Memory Size
2GB
GDDR6
Memory Type
DDR3
256bit
Memory Bus
128bit
512.0GB/s
Bandwidth
28.83GB/s
Render Config
-
-
-
-
-
-
4096
Shading Units
384
256
TMUs
32
128
ROPs
16
-
-
-
32
RT Cores
-
-
L1 Cache
16 KB (per SMX)
16 MB
L2 Cache
256 KB
-
-
-
Theoretical Performance
211.2 GPixel/s
Pixel Rate
6.480 GPixel/s
422.4 GTexel/s
Texture Rate
25.92 GTexel/s
27.03 TFLOPS
FP16 (half)
-
13.52 TFLOPS
FP32 (float)
622.1 GFLOPS
-
FP64 (double)
25.92 GFLOPS
Board Design
120W
TDP
45W
-
-
-
No outputs
Outputs
No outputs
-
-
-
Graphics Processor
DG2-512
GPU Name
GK107
ACM-G10
GPU Variant
-
Generation 12.7
Architecture
Kepler
TSMC
Foundry
TSMC
6 nm
Process Size
28 nm
21.7 billion
Transistors
1.27 billion
406 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
-
CUDA
3.0
6.6
Shader Model
5.1
