Home GPU Comparison AMD Radeon 660M vs AMD Radeon R7 M270DX

AMD Radeon 660M vs AMD Radeon R7 M270DX

We compared two Integrated graphics card GPUs: 0System Shared VRAM Radeon 660M and 0System Shared VRAM Radeon R7 M270DX to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon 660M 's Advantages
Released 7 years and 7 months late
Boost Clock has increased by 94% (1900MHz vs 980MHz)

Score

Benchmark

FP32 (float)
Radeon 660M +94%
1.459 TFLOPS
Radeon R7 M270DX
0.752 TFLOPS
VS

Graphics Card

Jan 2022
Release Date
Jun 2014
Rembrandt
Generation
Gem System Hybrid
Integrated
Type
Integrated
PCIe 4.0 x8
Bus Interface
IGP

Clock Speeds

1500 MHz
Base Clock
900 MHz
1900 MHz
Boost Clock
980 MHz
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
6
-
-
-
384
Shading Units
384
24
TMUs
24
16
ROPs
8
-
-
-
6
RT Cores
-
128 KB per Array
L1 Cache
16 KB (per CU)
2 MB
L2 Cache
256 KB
-
-
-

Theoretical Performance

30.40 GPixel/s
Pixel Rate
7.840 GPixel/s
45.60 GTexel/s
Texture Rate
23.52 GTexel/s
2.918 TFLOPS
FP16 (half)
752.6 GFLOPS
1459 GFLOPS
FP32 (float)
752.6 GFLOPS
91.20 GFLOPS
FP64 (double)
47.04 GFLOPS

Board Design

15W
TDP
Unknown
-
-
-
No outputs
Outputs
Portable Device Dependent
None
Power Connectors
-

Graphics Processor

Rembrandt
GPU Name
Topaz
-
GPU Variant
Topaz XT (216-0858020)
RDNA 2.0
Architecture
GCN 3.0
TSMC
Foundry
TSMC
6 nm
Process Size
28 nm
13.1 billion
Transistors
1.55 billion
210 mm²
Die Size
125 mm²

Graphics Features

12 Ultimate (12_2)
DirectX
12 (12_0)
4.6
OpenGL
4.6
2.0
OpenCL
2.1
1.2
Vulkan
1.2.170
-
-
-
6.5
Shader Model
6.5

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