AMD Radeon R9 M395X Mac Edition vs Intel Arc A770M
We compared two Mobile platform GPUs: 4GB VRAM Radeon R9 M395X Mac Edition and 16GB VRAM Arc A770M 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 8 months late
Boost Clock1650MHz
More VRAM (16GB vs 4GB)
Larger VRAM bandwidth (512.0GB/s vs 174.7GB/s)
2048 additional rendering cores
Lower TDP (120W vs 250W)
Score
Benchmark
FP32 (float)
Radeon R9 M395X Mac Edition
3.723 TFLOPS
Arc A770M
+263%
13.52 TFLOPS
Graphics Card
May 2015
Release Date
Jan 2022
Crystal System
Generation
Alchemist
Mobile
Type
Mobile
MXM-B (3.0)
Bus Interface
PCIe 4.0 x16
Clock Speeds
-
Base Clock
300 MHz
-
Boost Clock
1650 MHz
1365 MHz
Memory Clock
2000 MHz
Memory
4GB
Memory Size
16GB
GDDR5
Memory Type
GDDR6
256bit
Memory Bus
256bit
174.7GB/s
Bandwidth
512.0GB/s
Render Config
32
Compute Units
-
-
-
-
2048
Shading Units
4096
128
TMUs
256
32
ROPs
128
-
-
-
-
RT Cores
32
16 KB (per CU)
L1 Cache
-
512 KB
L2 Cache
16 MB
-
-
-
Theoretical Performance
29.09 GPixel/s
Pixel Rate
211.2 GPixel/s
116.4 GTexel/s
Texture Rate
422.4 GTexel/s
3.723 TFLOPS
FP16 (half)
27.03 TFLOPS
3.723 TFLOPS
FP32 (float)
13.52 TFLOPS
232.7 GFLOPS
FP64 (double)
-
Board Design
250W
TDP
120W
-
-
-
No outputs
Outputs
No outputs
None
Power Connectors
-
Graphics Processor
Amethyst
GPU Name
DG2-512
Amethyst XT
GPU Variant
ACM-G10
GCN 3.0
Architecture
Generation 12.7
TSMC
Foundry
TSMC
28 nm
Process Size
6 nm
5 billion
Transistors
21.7 billion
366 mm²
Die Size
406 mm²
Graphics Features
12 (12_0)
DirectX
12 Ultimate (12_2)
4.6
OpenGL
4.6
2.0
OpenCL
3.0
1.2
Vulkan
1.3
-
-
-
6.3
Shader Model
6.6
