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

GeForce RTX 5090 Mobile

CORE STATE GB203

VRAM 24 GB

CLOCK SPEED 1515 MHz

TDP 95 W

BUS WIDTH 256 bit

ARCHITECTURE Blackwell 2.0

nm

PROCESS 5 nm

LAUNCH DATE 2025

PERFORMANCE BENCHMARKS

geekbench_opencl

9,025

201,834

geekbench_vulkan

11,165

198,405

3dmark_3dmark_steel_nomad_dx12

N/A

5,871

passmark_directx_10

N/A

183

passmark_directx_11

N/A

269

passmark_directx_12

N/A

138

passmark_directx_9

N/A

324

passmark_g2d

N/A

1,057

passmark_g3d

N/A

30,034

passmark_gpu_compute

N/A

13,401

DETAILED SPECIFICATIONS

SPECIFICATION

RX 550X

RTX 5090 Mobile

Core Specs

Shading Units

512

10,496 +1950.0%

Shaders

512

10,496 +1950.0%

TMUs

32

328 +925.0%

ROPs

16

112 +600.0%

Compute Units

8

—

SM Count

—

82

Clocks

Base Clock

1100 MHz

990 MHz

Boost Clock

1183 MHz

1515 MHz

Memory Clock

1500 MHz 6 Gbps effective

1750 MHz 28 Gbps effective

Memory

Memory Size

4 GB

24 GB

VRAM (MB)

4,096

24,576 +500.0%

Memory Type

GDDR5

GDDR7

Memory Bus

128 bit

256 bit

Bandwidth

96.00 GB/s

896.0 GB/s

Cache

L1 Cache

16 KB (per CU)

128 KB (per SM)

L2 Cache

512 KB

64 MB

Performance

Pixel Rate

18.93 GPixel/s

169.7 GPixel/s

Texture Rate

37.86 GTexel/s

496.9 GTexel/s

FP32 (TFLOPS)

1,211.4 GFLOPS

31.80 TFLOPS

FP64 (TFLOPS)

75.71 GFLOPS (1:16)

496.9 GFLOPS (1:64)

FP16 (TFLOPS)

1,211.4 GFLOPS (1:1)

31.80 TFLOPS (1:1)

AI/RT

RT Cores

—

82

Tensor Cores

—

328

Power

TDP

50 W

95 W

TDP (W)

50

95 +90.0%

Suggested PSU

250 W

—

Power Connectors

None

None

Architecture

Architecture

GCN 4.0

Blackwell 2.0

GPU Name

Lexa

GB203

Generation

Polaris (RX 500X)

GeForce 50 Mobile

Process Size

14 nm

5 nm

Transistors

2,200 million

45,600 million

Die Size

103 mm²

378 mm²

Foundry

GlobalFoundries

TSMC

Density

21.4M / mm²

120.6M / 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

—

12.0

Shader Model

6.7

6.8

Physical

Slot Width

Dual-slot

IGP

Length

145 mm 5.7 inches

—

Outputs

1x DVI1x HDMI 2.0b1x DisplayPort 1.4a

Portable Device Dependent

Bus Interface

PCIe 3.0 x8

PCIe 5.0 x16

Other

Production

End-of-life

Active

Predecessor

Polaris

GeForce 40 Mobile

Successor

Vega

—

View Radeon RX 550X Details View GeForce RTX 5090 Mobile Details