GPU Comparison

A

AMD

RADEON

AMD Radeon 550X

CORE STATE Lexa

VRAM 2 GB

CLOCK SPEED 1218 MHz

TDP 50 W

BUS WIDTH 128 bit

ARCHITECTURE GCN 4.0

nm

PROCESS 14 nm

LAUNCH DATE 2019

VS

A

AMD

RADEON

Radeon RX 7900M

CORE STATE Navi 31

VRAM 16 GB

CLOCK SPEED 2090 MHz

TDP 180 W

BUS WIDTH 256 bit

ARCHITECTURE RDNA 3.0

nm

PROCESS 5 nm

LAUNCH DATE 2023

PERFORMANCE BENCHMARKS

geekbench_opencl

8,749

117,665

3dmark_3dmark_steel_nomad_dx12

N/A

4,201

geekbench_vulkan

N/A

153,274

DETAILED SPECIFICATIONS

SPECIFICATION

550X

RX 7900M

Core Specs

Shading Units

512

4,608 +800.0%

Shaders

512

4,608 +800.0%

TMUs

32

288 +800.0%

ROPs

16

192 +1100.0%

Compute Units

8

72 +800.0%

Clocks

Base Clock

1082 MHz

1825 MHz

Boost Clock

1218 MHz

2090 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

19.49 GPixel/s

401.3 GPixel/s

Texture Rate

38.98 GTexel/s

601.9 GTexel/s

FP32 (TFLOPS)

1,247.2 GFLOPS

38.52 TFLOPS

FP64 (TFLOPS)

77.95 GFLOPS (1:16)

1,203.8 GFLOPS (1:32)

FP16 (TFLOPS)

1,247.2 GFLOPS (1:1)

77.05 TFLOPS (2:1)

AI/RT

RT Cores

—

72

Power

TDP

50 W

180 W

TDP (W)

50

180 +260.0%

Suggested PSU

250 W

—

Power Connectors

None

None

Architecture

Architecture

GCN 4.0

RDNA 3.0

GPU Name

Lexa

Navi 31

Codename

—

Plum Bonito

Generation

Polaris (RX 500X)

Navi Mobile (RX 7000M)

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

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 4.0 x16

Other

Production

End-of-life

Active

Predecessor

Polaris

Polaris Mobile

Successor

Vega

—

View Radeon 550X Details View Radeon RX 7900M Details