AMD Radeon 660M vs NVIDIA RTX A400

VS

AMD Radeon 660M NVIDIA RTX A400

We compared a Integrated graphics card GPU: 0System Shared VRAM Radeon 660M and a Desktop platform GPU: 4GB VRAM RTX A400 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 8% (1900MHz vs 1762MHz)

Lower TDP (15W vs 50W)

NVIDIA RTX A400 's Advantages

Released 2 years and 3 months late

384 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon 660M

1.459 TFLOPS

RTX A400 +85%

2.706 TFLOPS

Radeon 660M

VS

RTX A400

Graphics Card

Jan 2022

Release Date

Apr 2024

Rembrandt

Generation

Quadro Ampere

Integrated

Type

Desktop

PCIe 4.0 x8

Bus Interface

PCIe 4.0 x8

Clock Speeds

1500 MHz

Base Clock

727 MHz

1900 MHz

Boost Clock

1762 MHz

System Shared

Memory Clock

1500 MHz

Memory

System Shared

Memory Size

4GB

System Shared

Memory Type

GDDR6

System Shared

Memory Bus

64bit

System Dependent

Bandwidth

96.00GB/s

Render Config

-

SM Count

6

Compute Units

-

384

Shading Units

768

24

TMUs

24

16

ROPs

16

-

Tensor Cores

24

6

RT Cores

6

128 KB per Array

L1 Cache

128 KB (per SM)

2 MB

L2 Cache

2 MB

Theoretical Performance

30.40 GPixel/s

Pixel Rate

28.19 GPixel/s

45.60 GTexel/s

Texture Rate

42.29 GTexel/s

2.918 TFLOPS

FP16 (half)

2.706 TFLOPS

1459 GFLOPS

FP32 (float)

2.706 TFLOPS

91.20 GFLOPS

FP64 (double)

42.29 GFLOPS

Graphics Processor

Rembrandt

GPU Name

GA107

-

GPU Variant

-

RDNA 2.0

Architecture

Ampere

TSMC

Foundry

Samsung

6 nm

Process Size

8 nm

13.1 billion

Transistors

8.7 billion

210 mm²

Die Size

200 mm²

Board Design

15W

TDP

50W

-

Suggested PSU

250 W

No outputs

Outputs

4x mini-DisplayPort 1.4a

None

Power Connectors

None

Graphics Features

12 Ultimate (12_2)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

2.0

OpenCL

3.0

1.2

Vulkan

1.3

-

CUDA

8.6

6.5

Shader Model

6.7

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