AMD Radeon 660M vs Intel Arc B770
GPU Specs Compare
Graphics Card
Release Date
Jan 2022
Jan 2026
Generation
Rembrandt
Battlemage
Type
Integrated
Desktop
Bus Interface
PCIe 4.0 x8
PCIe 4.0 x16
Clock Speeds
Base Clock
1500 MHz
2100 MHz
Boost Clock
1900 MHz
2400 MHz
Memory Clock
System Shared
2000 MHz
Memory
Memory Size
System Shared
16GB
Memory Type
System Shared
GDDR6
Memory Bus
System Shared
256bit
Bandwidth
System Dependent
512.0GB/s
Render Config
Compute Units
6
-
Shading Units
384
4096
TMUs
24
256
ROPs
16
128
RT Cores
6
32
L1 Cache
128 KB per Array
-
L2 Cache
2 MB
16 MB
Theoretical Performance
Pixel Rate
30.40 GPixel/s
307.2 GPixel/s
Texture Rate
45.60 GTexel/s
614.4 GTexel/s
FP16 (half)
2.918 TFLOPS
39.32 TFLOPS
FP32 (float)
1459 GFLOPS
19.66 TFLOPS
FP64 (double)
91.20 GFLOPS
2.458 TFLOPS
Graphics Processor
GPU Name
Rembrandt
BMG-G31
Architecture
RDNA 2.0
Xe2-HPG
Foundry
TSMC
TSMC
Process Size
6 nm
5 nm
Transistors
13.1 billion
Unknown
Die Size
210 mm²
Unknown
Board Design
TDP
15W
225W
Outputs
No outputs
1x HDMI 2.1a3x DisplayPort 2.1
Power Connectors
None
1x 6-pin + 1x 8-pin
Suggested PSU
-
550 W
Graphics Features
DirectX
12 Ultimate (12_2)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
2.0
3.0
Vulkan
1.2
1.4
Shader Model
6.5
6.6
📊 Benchmark
3DMark Time Spy
1,537
-
3DMark Time Spy Extreme
701
-