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

A

AMD

RADEON

Radeon RX 9070 XT

CORE STATE Navi 48

VRAM 16 GB

CLOCK SPEED 2970 MHz

TDP 304 W

BUS WIDTH 256 bit

ARCHITECTURE RDNA 4.0

nm

PROCESS 4 nm

LAUNCH DATE 2025

PERFORMANCE BENCHMARKS

geekbench_opencl

9,025

160,317

geekbench_vulkan

11,165

184,026

3dmark_3dmark_steel_nomad_dx12

N/A

7,260

passmark_directx_10

N/A

154

passmark_directx_11

N/A

292

passmark_directx_12

N/A

78

passmark_directx_9

N/A

353

passmark_g2d

N/A

1,328

passmark_g3d

N/A

26,795

passmark_gpu_compute

N/A

15,864

DETAILED SPECIFICATIONS

SPECIFICATION

RX 550X

RX 9070 XT

Core Specs

Shading Units

512

4,096 +700.0%

Shaders

512

4,096 +700.0%

TMUs

32

256 +700.0%

ROPs

16

128 +700.0%

Compute Units

8

64 +700.0%

Clocks

Base Clock

1100 MHz

1660 MHz

Boost Clock

1183 MHz

2970 MHz

Game Clock

—

2400 MHz

Memory Clock

1500 MHz 6 Gbps effective

2518 MHz 20.1 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

644.6 GB/s

Cache

L1 Cache

16 KB (per CU)

—

L2 Cache

512 KB

8 MB

L3 Cache

—

64 MB

L0 Cache

—

32 KB per WGP

Performance

Pixel Rate

18.93 GPixel/s

380.2 GPixel/s

Texture Rate

37.86 GTexel/s

760.3 GTexel/s

FP32 (TFLOPS)

1,211.4 GFLOPS

48.66 TFLOPS

FP64 (TFLOPS)

75.71 GFLOPS (1:16)

1.521 TFLOPS (1:32)

FP16 (TFLOPS)

1,211.4 GFLOPS (1:1)

97.32 TFLOPS (2:1)

AI/RT

RT Cores

—

64

Matrix Cores

—

128

Power

TDP

50 W

304 W

TDP (W)

50

304 +508.0%

Suggested PSU

250 W

700 W

Power Connectors

None

2x 8-pin

Architecture

Architecture

GCN 4.0

RDNA 4.0

GPU Name

Lexa

Navi 48

Generation

Polaris (RX 500X)

Navi IV (RX 9000)

Process Size

14 nm

4 nm

Transistors

2,200 million

53,900 million

Die Size

103 mm²

357 mm²

Foundry

GlobalFoundries

TSMC

Density

21.4M / mm²

151.0M / mm²

API Support

DirectX

12 (12_0)

12 Ultimate (12_2)

OpenGL

4.6

4.6

Vulkan

1.3

1.4

OpenCL

2.1

2.2

Shader Model

6.7

6.8

Physical

Slot Width

Dual-slot

Dual-slot

Length

145 mm 5.7 inches

—

Outputs

1x DVI1x HDMI 2.0b1x DisplayPort 1.4a

1x HDMI 2.1b3x DisplayPort 2.1a

Bus Interface

PCIe 3.0 x8

PCIe 5.0 x16

Other

Launch Price

—

599 USD

Production

End-of-life

Active

Predecessor

Polaris

Navi III

Successor

Vega

—

View Radeon RX 550X Details View Radeon RX 9070 XT Details