AMD Radeon 550X 640SP vs NVIDIA RTX A5000-8Q

VS

AMD Radeon 550X 640SP

NVIDIA RTX A5000-8Q

We compared two Desktop platform GPUs: 4GB VRAM Radeon 550X 640SP and 8GB VRAM RTX A5000 8Q to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon 550X 640SP 's Advantages

Lower TDP (50W vs 230W)

NVIDIA RTX A5000-8Q 's Advantages

Released 3 years late

Boost Clock has increased by 58% (1695MHz vs 1071MHz)

More VRAM (8GB vs 4GB)

Larger VRAM bandwidth (768.0GB/s vs 48.00GB/s)

7552 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon 550X 640SP

1.371 TFLOPS

RTX A5000 8Q +1925%

27.77 TFLOPS

Radeon 550X 640SP

VS

RTX A5000 8Q

Graphics Card

Apr 2018

Release Date

Apr 2021

Polaris

Generation

Quadro Ampere

Desktop

Type

Desktop

PCIe 3.0 x8

Bus Interface

PCIe 4.0 x16

Clock Speeds

1019 MHz

Base Clock

1170 MHz

1071 MHz

Boost Clock

1695 MHz

1500 MHz

Memory Clock

2000 MHz

Memory

4GB

Memory Size

8GB

GDDR5

Memory Type

GDDR6

64bit

Memory Bus

384bit

48.00GB/s

Bandwidth

768.0GB/s

Render Config

10

Compute Units

-

SM Count

64

640

Shading Units

8192

40

TMUs

256

16

ROPs

96

-

Tensor Cores

256

-

RT Cores

64

16 KB (per CU)

L1 Cache

128 KB (per SM)

256 KB

L2 Cache

6 MB

-

Theoretical Performance

17.14 GPixel/s

Pixel Rate

162.7 GPixel/s

42.84 GTexel/s

Texture Rate

433.9 GTexel/s

1371 GFLOPS

FP16 (half)

27.77 TFLOPS

1371 GFLOPS

FP32 (float)

27.77 TFLOPS

85.68 GFLOPS

FP64 (double)

433.9 GFLOPS

Board Design

50W

TDP

230W

250 W

Suggested PSU

550 W

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

Outputs

4x DisplayPort 1.4a

None

Power Connectors

1x 8-pin

Graphics Processor

Lexa

GPU Name

GA102

Lexa PRO (215-0904018)

GPU Variant

-

GCN 4.0

Architecture

Ampere

GlobalFoundries

Foundry

Samsung

14 nm

Process Size

8 nm

2.2 billion

Transistors

28.3 billion

103 mm²

Die Size

628 mm²

Graphics Features

12 (12_0)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

2.1

OpenCL

3.0

1.2

Vulkan

1.3

-

CUDA

8.6

6.4

Shader Model

6.7

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