GPU Comparison

A

AMD

RADEON

AMD Radeon Pro 555X

CORE STATE Polaris 21

VRAM 4 GB

CLOCK SPEED —

TDP 75 W

BUS WIDTH 128 bit

ARCHITECTURE GCN 4.0

nm

PROCESS 14 nm

LAUNCH DATE 2018

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_metal

17,638

N/A

geekbench_opencl

12,661

117,665

geekbench_vulkan

13,201

153,274

3dmark_3dmark_steel_nomad_dx12

N/A

4,201

DETAILED SPECIFICATIONS

SPECIFICATION

Pro 555X

RX 7900M

Core Specs

Shading Units

768

4,608 +500.0%

Shaders

768

4,608 +500.0%

TMUs

48

288 +500.0%

ROPs

16

192 +1100.0%

Compute Units

12

72 +500.0%

Clocks

Base Clock

—

1825 MHz

Boost Clock

—

2090 MHz

GPU Clock

907 MHz

—

Memory Clock

1470 MHz 5.9 Gbps effective

2250 MHz 18 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

94.08 GB/s

576.0 GB/s

Cache

L1 Cache

16 KB (per CU)

256 KB per Array

L2 Cache

1024 KB

6 MB

L3 Cache

—

64 MB

L0 Cache

—

64 KB per WGP

Performance

Pixel Rate

14.51 GPixel/s

401.3 GPixel/s

Texture Rate

43.54 GTexel/s

601.9 GTexel/s

FP32 (TFLOPS)

1,393.2 GFLOPS

38.52 TFLOPS

FP64 (TFLOPS)

87.07 GFLOPS (1:16)

1,203.8 GFLOPS (1:32)

FP16 (TFLOPS)

1,393.2 GFLOPS (1:1)

77.05 TFLOPS (2:1)

AI/RT

RT Cores

—

72

Power

TDP

75 W

180 W

TDP (W)

75

180 +140.0%

Power Connectors

None

None

Architecture

Architecture

GCN 4.0

RDNA 3.0

GPU Name

Polaris 21

Navi 31

Codename

—

Plum Bonito

Generation

Radeon Pro Mac (500X Series)

Navi Mobile (RX 7000M)

Process Size

14 nm

5 nm

Transistors

3,000 million

57,700 million

Die Size

123 mm²

529 mm²

Foundry

GlobalFoundries

TSMC

Density

24.4M / 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

IGP

IGP

Outputs

Portable Device Dependent

Portable Device Dependent

Bus Interface

PCIe 3.0 x8

PCIe 4.0 x16

Other

Production

End-of-life

Active

Predecessor

—

Polaris Mobile

View Radeon Pro 555X Details View Radeon RX 7900M Details