Intel Arc A370M vs ATI Mobility Radeon HD 3870 X2
We compared two Mobile platform GPUs: 4GB VRAM Arc A370M and 512MB VRAM Mobility Radeon HD 3870 X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
Intel Arc A370M 's Advantages
Released 13 years and 6 months late
Boost Clock1550MHz
More VRAM (4GB vs 512GB)
Larger VRAM bandwidth (112.0GB/s vs 54.40GB/s)
704 additional rendering cores
Lower TDP (35W vs 110W)
Score
Benchmark
FP32 (float)
Arc A370M
+652%
3.174 TFLOPS
Mobility Radeon HD 3870 X2
0.422 TFLOPS
Graphics Card
Mar 2022
Release Date
Sep 2008
Alchemist
Generation
M8x
Mobile
Type
Mobile
PCIe 4.0 x8
Bus Interface
PCIe 2.0 x16
Clock Speeds
300 MHz
Base Clock
-
1550 MHz
Boost Clock
-
1750 MHz
Memory Clock
850 MHz
Memory
4GB
Memory Size
512MB
GDDR6
Memory Type
GDDR3
64bit
Memory Bus
256bit
112.0GB/s
Bandwidth
54.40GB/s
Render Config
-
Compute Units
4
-
-
-
1024
Shading Units
320
64
TMUs
16
32
ROPs
16
-
-
-
8
RT Cores
-
-
-
-
4 MB
L2 Cache
256 KB
-
-
-
Theoretical Performance
49.60 GPixel/s
Pixel Rate
10.56 GPixel/s
99.20 GTexel/s
Texture Rate
10.56 GTexel/s
6.349 TFLOPS
FP16 (half)
-
3.174 TFLOPS
FP32 (float)
422.4 GFLOPS
793.6 GFLOPS
FP64 (double)
84.48 GFLOPS
Board Design
35W
TDP
110W
-
-
-
No outputs
Outputs
No outputs
-
-
-
Graphics Processor
DG2-128
GPU Name
M88
ACM-G11
GPU Variant
-
Generation 12.7
Architecture
TeraScale
TSMC
Foundry
TSMC
6 nm
Process Size
55 nm
7.2 billion
Transistors
0.666 billion
157 mm²
Die Size
192 mm²
Graphics Features
12 Ultimate (12_2)
DirectX
10.1 (10_1)
4.6
OpenGL
3.3
3.0
OpenCL
N/A
1.3
Vulkan
N/A
-
-
-
6.6
Shader Model
4.1
