GPU Comparison

A

AMD

RADEON

AMD Radeon RX 550X

CORE STATE Lexa

VRAM 4 GB

CLOCK SPEED 1183 MHz

TDP 50 W

BUS WIDTH 128 bit

ARCHITECTURE GCN 4.0

nm

PROCESS 14 nm

LAUNCH DATE 2018

VS

NVIDIA

GEFORCE

RTX A4000

CORE STATE GA104

VRAM 16 GB

CLOCK SPEED 1560 MHz

TDP 140 W

BUS WIDTH 256 bit

ARCHITECTURE Ampere

nm

PROCESS 8 nm

LAUNCH DATE 2021

PERFORMANCE BENCHMARKS

geekbench_opencl

9,025

121,988

geekbench_vulkan

11,165

111,712

3dmark_3dmark_steel_nomad_dx12

N/A

2,604

passmark_directx_10

N/A

126

passmark_directx_11

N/A

158

passmark_directx_12

N/A

72

passmark_directx_9

N/A

240

passmark_g2d

N/A

1,024

passmark_g3d

N/A

19,459

passmark_gpu_compute

N/A

9,760

DETAILED SPECIFICATIONS

SPECIFICATION

RX 550X

RTX A4000

Core Specs

Shading Units

512

6,144 +1100.0%

Shaders

512

6,144 +1100.0%

TMUs

32

192 +500.0%

ROPs

16

96 +500.0%

Compute Units

8

—

SM Count

—

48

Clocks

Base Clock

1100 MHz

735 MHz

Boost Clock

1183 MHz

1560 MHz

Memory Clock

1500 MHz 6 Gbps effective

1750 MHz 14 Gbps effective

Memory

Memory Size

4 GB

16 GB

VRAM (MB)

4,096

16,384 +300.0%

Memory Type

GDDR5

GDDR6

Memory Bus

128 bit

256 bit

Bandwidth

96.00 GB/s

448.0 GB/s

Cache

L1 Cache

16 KB (per CU)

128 KB (per SM)

L2 Cache

512 KB

4 MB

Performance

Pixel Rate

18.93 GPixel/s

149.8 GPixel/s

Texture Rate

37.86 GTexel/s

299.5 GTexel/s

FP32 (TFLOPS)

1,211.4 GFLOPS

19.17 TFLOPS

FP64 (TFLOPS)

75.71 GFLOPS (1:16)

299.5 GFLOPS (1:64)

FP16 (TFLOPS)

1,211.4 GFLOPS (1:1)

19.17 TFLOPS (1:1)

AI/RT

RT Cores

—

48

Tensor Cores

—

192

Power

TDP

50 W

140 W

TDP (W)

50

140 +180.0%

Suggested PSU

250 W

300 W

Power Connectors

None

1x 6-pin

Architecture

Architecture

GCN 4.0

Ampere

GPU Name

Lexa

GA104

Generation

Polaris (RX 500X)

Workstation Ampere (Ax000)

Process Size

14 nm

8 nm

Transistors

2,200 million

17,400 million

Die Size

103 mm²

392 mm²

Foundry

GlobalFoundries

Samsung

Density

21.4M / mm²

44.4M / mm²

API Support

DirectX

12 (12_0)

12 Ultimate (12_2)

OpenGL

4.6

4.6

Vulkan

1.3

1.4

OpenCL

2.1

3.0

CUDA

—

8.6

Shader Model

6.7

6.8

Physical

Slot Width

Dual-slot

Single-slot

Length

145 mm 5.7 inches

241 mm 9.5 inches

Height

—

112 mm 4.4 inches

Outputs

1x DVI1x HDMI 2.0b1x DisplayPort 1.4a

4x DisplayPort 1.4a

Bus Interface

PCIe 3.0 x8

PCIe 4.0 x16

Other

Production

End-of-life

End-of-life

Predecessor

Polaris

Quadro Turing

Successor

Vega

Workstation Ada

View Radeon RX 550X Details View RTX A4000 Details