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 7800 XT

CORE STATE Navi 32

VRAM 16 GB

CLOCK SPEED 2430 MHz

TDP 263 W

BUS WIDTH 256 bit

ARCHITECTURE RDNA 3.0

nm

PROCESS 5 nm

LAUNCH DATE 2023

PERFORMANCE BENCHMARKS

geekbench_opencl

9,025

139,381

geekbench_vulkan

11,165

143,060

3dmark_3dmark_steel_nomad_dx12

N/A

4,157

passmark_directx_10

N/A

121

passmark_directx_11

N/A

249

passmark_directx_12

N/A

93

passmark_directx_9

N/A

304

passmark_g2d

N/A

1,177

passmark_g3d

N/A

24,176

passmark_gpu_compute

N/A

13,473

DETAILED SPECIFICATIONS

SPECIFICATION

RX 550X

RX 7800 XT

Core Specs

Shading Units

512

3,840 +650.0%

Shaders

512

3,840 +650.0%

TMUs

32

240 +650.0%

ROPs

16

96 +500.0%

Compute Units

8

60 +650.0%

Clocks

Base Clock

1100 MHz

1295 MHz

Boost Clock

1183 MHz

2430 MHz

Game Clock

—

2124 MHz

Memory Clock

1500 MHz 6 Gbps effective

2438 MHz 19.5 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

624.1 GB/s

Cache

L1 Cache

16 KB (per CU)

128 KB per Array

L2 Cache

512 KB

4 MB

L3 Cache

—

64 MB

L0 Cache

—

32 KB per WGP

Performance

Pixel Rate

18.93 GPixel/s

233.3 GPixel/s

Texture Rate

37.86 GTexel/s

583.2 GTexel/s

FP32 (TFLOPS)

1,211.4 GFLOPS

37.32 TFLOPS

FP64 (TFLOPS)

75.71 GFLOPS (1:16)

1,166.4 GFLOPS (1:32)

FP16 (TFLOPS)

1,211.4 GFLOPS (1:1)

74.65 TFLOPS (2:1)

AI/RT

RT Cores

—

60

Matrix Cores

—

120

Power

TDP

50 W

263 W

TDP (W)

50

263 +426.0%

Suggested PSU

250 W

600 W

Power Connectors

None

2x 8-pin

Architecture

Architecture

GCN 4.0

RDNA 3.0

GPU Name

Lexa

Navi 32

Codename

—

Wheat Nas

Generation

Polaris (RX 500X)

Navi III (RX 7000)

Process Size

14 nm

5 nm

Transistors

2,200 million

28,100 million

Die Size

103 mm²

346 mm²

Foundry

GlobalFoundries

TSMC

Density

21.4M / mm²

81.2M / 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

267 mm 10.5 inches

Height

—

111 mm 4.4 inches

Outputs

1x DVI1x HDMI 2.0b1x DisplayPort 1.4a

1x HDMI 2.1a3x DisplayPort 2.1

Bus Interface

PCIe 3.0 x8

PCIe 4.0 x16

Other

Launch Price

—

499 USD

Production

End-of-life

Active

Predecessor

Polaris

Navi II

Successor

Vega

Navi IV

View Radeon RX 550X Details View Radeon RX 7800 XT Details