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 7900 GRE

CORE STATE Navi 31

VRAM 16 GB

CLOCK SPEED 2245 MHz

TDP 260 W

BUS WIDTH 256 bit

ARCHITECTURE RDNA 3.0

nm

PROCESS 5 nm

LAUNCH DATE 2023

PERFORMANCE BENCHMARKS

3dmark_3dmark_steel_nomad_dx12

127

4,814

geekbench_metal

19,937

N/A

geekbench_opencl

4,575

167,913

geekbench_vulkan

8,657

144,142

passmark_directx_10

N/A

139

passmark_directx_11

N/A

300

passmark_directx_12

N/A

107

passmark_directx_9

N/A

310

passmark_g2d

N/A

1,180

passmark_g3d

N/A

27,089

passmark_gpu_compute

N/A

15,016

DETAILED SPECIFICATIONS

SPECIFICATION

RX 550

RX 7900 GRE

Core Specs

Shading Units

512

5,120 +900.0%

Shaders

512

5,120 +900.0%

TMUs

32

320 +900.0%

ROPs

16

160 +900.0%

Compute Units

8

80 +900.0%

Clocks

Base Clock

1100 MHz

1287 MHz

Boost Clock

1183 MHz

2245 MHz

Game Clock

—

1880 MHz

Shader Clock

—

1880 MHz

Memory Clock

1750 MHz 7 Gbps effective

2250 MHz 18 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

576.0 GB/s

Cache

L1 Cache

16 KB (per CU)

256 KB per Array

L2 Cache

512 KB

6 MB

L3 Cache

—

64 MB

L0 Cache

—

64 KB per WGP

Performance

Pixel Rate

18.93 GPixel/s

359.2 GPixel/s

Texture Rate

37.86 GTexel/s

718.4 GTexel/s

FP32 (TFLOPS)

1,211.4 GFLOPS

45.98 TFLOPS

FP64 (TFLOPS)

75.71 GFLOPS (1:16)

1,436.8 GFLOPS (1:32)

FP16 (TFLOPS)

1,211.4 GFLOPS (1:1)

91.96 TFLOPS (2:1)

AI/RT

RT Cores

—

80

Matrix Cores

—

160

Power

TDP

50 W

260 W

TDP (W)

50

260 +420.0%

Suggested PSU

250 W

600 W

Power Connectors

None

2x 8-pin

Architecture

Architecture

GCN 4.0

RDNA 3.0

GPU Name

Lexa

Navi 31

Codename

—

Plum Bonito

Generation

Polaris (RX 500)

Navi III (RX 7000)

Process Size

14 nm

5 nm

Transistors

2,200 million

57,700 million

Die Size

103 mm²

529 mm²

Foundry

GlobalFoundries

TSMC

Density

21.4M / mm²

109.1M / mm²

AMD MCM

GCD Transistors

—

45,400 million

GCD Die Size

—

304.35 mm²

MCD Transistors

—

2,050 million x6

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

276 mm 10.9 inches

Height

—

110 mm 4.3 inches

Outputs

1x DVI1x HDMI 2.0b1x DisplayPort 1.4a

1x HDMI 2.1a2x DisplayPort 2.11x USB Type-C

Bus Interface

PCIe 3.0 x8

PCIe 4.0 x16

Other

Launch Price

79 USD

549 USD

Production

End-of-life

Active

Predecessor

Arctic Islands

Navi II

Successor

Vega

Navi IV

View Radeon RX 550 Details View Radeon RX 7900 GRE Details