GPU Comparison

A

AMD

RADEON

AMD Radeon RX 550

CORE STATE Lexa

VRAM 2 GB

CLOCK SPEED 1183 MHz

TDP 50 W

BUS WIDTH 128 bit

ARCHITECTURE GCN 4.0

nm

PROCESS 14 nm

LAUNCH DATE 2017

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

3dmark_3dmark_steel_nomad_dx12

127

4,157

geekbench_metal

19,937

N/A

geekbench_opencl

4,575

139,381

geekbench_vulkan

8,657

143,060

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 550

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

1750 MHz 7 Gbps effective

2438 MHz 19.5 Gbps effective

Memory

Memory Size

2 GB

16 GB

VRAM (MB)

2,048

16,384 +700.0%

Memory Type

GDDR5

GDDR6

Memory Bus

128 bit

256 bit

Bandwidth

112.0 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 500)

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

79 USD

499 USD

Production

End-of-life

Active

Predecessor

Arctic Islands

Navi II

Successor

Vega

Navi IV

View Radeon RX 550 Details View Radeon RX 7800 XT Details