Radeon 660M vs Mobility Radeon HD 4270 IGP
We compared two Integrated graphics card GPUs: 0System Shared VRAM Radeon 660M and 0System Shared VRAM Mobility Radeon HD 4270 IGP to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
Radeon 660M 's Advantages
Released 11 years and 8 months late
Boost Clock1900MHz
344 additional rendering cores
Score
Benchmark
FP32 (float)
Radeon 660M
+3004%
1459
Mobility Radeon HD 4270 IGP
47
Graphics Card
Jan 2022
Release Date
May 2010
Rembrandt
Generation
TeraScale IGP
Integrated
Type
Integrated
PCIe 4.0 x8
Bus Interface
PCIe 1.0 x16
Clock Speeds
1500 MHz
Base Clock
-
1900 MHz
Boost Clock
-
System Shared
Memory Clock
System Shared
Memory
System Shared
Memory Size
System Shared
System Shared
Memory Type
System Shared
System Shared
Memory Bus
System Shared
System Dependent
Bandwidth
System Dependent
Render Config
6
Compute Units
2
384
Shading Units
40
24
TMUs
4
16
ROPs
4
6
RT Cores
-
128 KB per Array
L1 Cache
-
2 MB
L2 Cache
-
Theoretical Performance
30.40 GPixel/s
Pixel Rate
2.360 GPixel/s
45.60 GTexel/s
Texture Rate
2.360 GTexel/s
2.918 TFLOPS
FP16 (half)
-
1459 GFLOPS
FP32 (float)
47.20 GFLOPS
91.20 GFLOPS
FP64 (double)
-
Board Design
15W
TDP
Unknown
No outputs
Outputs
Portable Device Dependent
None
Power Connectors
None
Graphics Processor
Rembrandt
GPU Name
RS880
-
GPU Variant
RS880M
RDNA 2.0
Architecture
TeraScale
TSMC
Foundry
-
6 nm
Process Size
55 nm
13.1 billion
Transistors
0.181 billion
210 mm²
Die Size
67 mm²
Graphics Features
12 Ultimate (12_2)
DirectX
10.1 (10_1)
4.6
OpenGL
3.3
2.0
OpenCL
1.0
1.2
Vulkan
N/A
6.5
Shader Model
4.1
