AMD Radeon Graphics 448SP vs AMD Radeon 660M

VS

AMD Radeon Graphics 448SP AMD Radeon 660M

We compared two Integrated graphics card GPUs: 0System Shared VRAM Radeon Graphics 448SP and 0System Shared VRAM Radeon 660M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon Graphics 448SP 's Advantages

64 additional rendering cores

AMD Radeon 660M 's Advantages

Released 1 years late

Boost Clock has increased by 6% (1900MHz vs 1800MHz)

Lower TDP (15W vs 25W)

Score

Benchmark

FP32 (float)

Radeon Graphics 448SP +10%

1.613 TFLOPS

Radeon 660M

1.459 TFLOPS

Radeon Graphics 448SP

VS

Radeon 660M

Graphics Card

Jan 2021

Release Date

Jan 2022

Lucienne

Generation

Rembrandt

Integrated

Type

Integrated

IGP

Bus Interface

PCIe 4.0 x8

Clock Speeds

300 MHz

Base Clock

1500 MHz

1800 MHz

Boost Clock

1900 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

-

7

Compute Units

6

448

Shading Units

384

32

TMUs

24

8

ROPs

16

-

Tensor Cores

-

RT Cores

6

-

L1 Cache

128 KB per Array

-

L2 Cache

2 MB

Theoretical Performance

14.40 GPixel/s

Pixel Rate

30.40 GPixel/s

57.60 GTexel/s

Texture Rate

45.60 GTexel/s

3.226 TFLOPS

FP16 (half)

2.918 TFLOPS

1.613 TFLOPS

FP32 (float)

1459 GFLOPS

100.8 GFLOPS

FP64 (double)

91.20 GFLOPS

Graphics Processor

Lucienne

GPU Name

Rembrandt

-

GPU Variant

-

GCN 5.1

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

7 nm

Process Size

6 nm

9.8 billion

Transistors

13.1 billion

156 mm²

Die Size

210 mm²

Board Design

25W

TDP

15W

-

Suggested PSU

-

No outputs

Outputs

No outputs

None

Power Connectors

None

Graphics Features

12 (12_1)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

2.1

OpenCL

2.0

1.2

Vulkan

1.2

-

CUDA

-

6.4

Shader Model

6.5

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