AMD Radeon 660M vs AMD Radeon R9 280X2

VS

AMD Radeon 660M

AMD Radeon R9 280X2

We compared a Integrated graphics card GPU: 0System Shared VRAM Radeon 660M and a Desktop platform GPU: 3GB VRAM Radeon R9 280X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon 660M 's Advantages

Boost Clock has increased by 90% (1900MHz vs 1000MHz)

Lower TDP (15W vs 375W)

AMD Radeon R9 280X2 's Advantages

1664 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon 660M

1.459 TFLOPS

Radeon R9 280X2 +180%

4.096 TFLOPS

Radeon 660M

VS

Radeon R9 280X2

Graphics Card

Jan 2022

Release Date

Unknown

Rembrandt

Generation

Volcanic Islands

Integrated

Type

Desktop

PCIe 4.0 x8

Bus Interface

PCIe 3.0 x16

Clock Speeds

1500 MHz

Base Clock

950 MHz

1900 MHz

Boost Clock

1000 MHz

System Shared

Memory Clock

1500 MHz

Memory

System Shared

Memory Size

3GB

System Shared

Memory Type

GDDR5

System Shared

Memory Bus

384bit

System Dependent

Bandwidth

288.0GB/s

Render Config

6

Compute Units

32

-

384

Shading Units

2048

24

TMUs

128

16

ROPs

32

-

6

RT Cores

-

128 KB per Array

L1 Cache

16 KB (per CU)

2 MB

L2 Cache

768 KB

-

Theoretical Performance

30.40 GPixel/s

Pixel Rate

32.00 GPixel/s

45.60 GTexel/s

Texture Rate

128.0 GTexel/s

2.918 TFLOPS

FP16 (half)

-

1459 GFLOPS

FP32 (float)

4.096 TFLOPS

91.20 GFLOPS

FP64 (double)

1024 GFLOPS

Board Design

15W

TDP

375W

-

Suggested PSU

750 W

No outputs

Outputs

6x mini-DisplayPort 1.2

None

Power Connectors

3x 8-pin

Graphics Processor

Rembrandt

GPU Name

Tahiti

-

GPU Variant

Tahiti XTL (215-0821065)

RDNA 2.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

6 nm

Process Size

28 nm

13.1 billion

Transistors

4.313 billion

210 mm²

Die Size

352 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 (11_1)

4.6

OpenGL

4.6

2.0

OpenCL

1.2

Vulkan

1.2

-

6.5

Shader Model

5.1

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