AMD Radeon 660M vs AMD Radeon R7 M270DX

VS

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

Radeon 660M

VS

Radeon R7 M270DX

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

Memory Type

System Shared

Memory Bus

System Shared

System Dependent

Bandwidth

System Dependent

Render Config

-

SM Count

-

6

Compute Units

6

384

Shading Units

384

24

TMUs

24

16

ROPs

8

-

Tensor Cores

-

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

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

Board Design

15W

TDP

Unknown

-

Suggested PSU

-

No outputs

Outputs

Portable Device Dependent

None

Power Connectors

-

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

-

CUDA

-

6.5

Shader Model

6.5

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