NVIDIA RTX A4000H vs AMD Radeon RX 550 640SP

VS

NVIDIA RTX A4000H

AMD Radeon RX 550 640SP

We compared two Desktop platform GPUs: 16GB VRAM RTX A4000H and 2GB VRAM Radeon RX 550 640SP to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA RTX A4000H 's Advantages

Released 3 years and 6 months late

Boost Clock has increased by 46% (1560MHz vs 1071MHz)

More VRAM (16GB vs 2GB)

Larger VRAM bandwidth (448.0GB/s vs 96.00GB/s)

5504 additional rendering cores

AMD Radeon RX 550 640SP 's Advantages

Lower TDP (60W vs 140W)

Score

Benchmark

FP32 (float)

RTX A4000H +1298%

19.17 TFLOPS

Radeon RX 550 640SP

1.371 TFLOPS

RTX A4000H

VS

Radeon RX 550 640SP

Graphics Card

Apr 2021

Release Date

Oct 2017

Quadro Ampere

Generation

Polaris

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

735 MHz

Base Clock

1019 MHz

1560 MHz

Boost Clock

1071 MHz

1750 MHz

Memory Clock

1500 MHz

Memory

16GB

Memory Size

2GB

GDDR6

Memory Type

GDDR5

256bit

Memory Bus

128bit

448.0GB/s

Bandwidth

96.00GB/s

Render Config

-

Compute Units

10

48

SM Count

-

6144

Shading Units

640

192

TMUs

40

96

ROPs

16

192

Tensor Cores

-

48

RT Cores

-

128 KB (per SM)

L1 Cache

16 KB (per CU)

4 MB

L2 Cache

1024 KB

-

Theoretical Performance

149.8 GPixel/s

Pixel Rate

17.14 GPixel/s

299.5 GTexel/s

Texture Rate

42.84 GTexel/s

19.17 TFLOPS

FP16 (half)

1371 GFLOPS

19.17 TFLOPS

FP32 (float)

1371 GFLOPS

299.5 GFLOPS

FP64 (double)

85.68 GFLOPS

Board Design

140W

TDP

60W

300 W

Suggested PSU

250 W

4x DisplayPort 1.4a

Outputs

1x DVI 1x HDMI 2.0b 1x DisplayPort 1.4a

1x 6-pin

Power Connectors

None

Graphics Processor

GA104

GPU Name

Baffin

GA104-???-A1

GPU Variant

Baffin LE

Ampere

Architecture

GCN 4.0

Samsung

Foundry

GlobalFoundries

8 nm

Process Size

14 nm

17.4 billion

Transistors

3 billion

392 mm²

Die Size

123 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 (12_0)

4.6

OpenGL

4.6

3.0

OpenCL

2.1

1.3

Vulkan

1.2

8.6

CUDA

-

6.7

Shader Model

6.4

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