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

NVIDIA

GEFORCE

GeForce RTX 5080 Mobile

CORE STATE GB203

VRAM 16 GB

CLOCK SPEED 1500 MHz

TDP 80 W

BUS WIDTH 256 bit

ARCHITECTURE Blackwell 2.0

nm

PROCESS 5 nm

LAUNCH DATE 2025

PERFORMANCE BENCHMARKS

geekbench_metal

17,638

N/A

geekbench_opencl

12,661

166,986

geekbench_vulkan

13,201

169,754

3dmark_3dmark_steel_nomad_dx12

N/A

4,952

passmark_directx_10

N/A

171

passmark_directx_11

N/A

253

passmark_directx_12

N/A

116

passmark_directx_9

N/A

314

passmark_g2d

N/A

1,095

passmark_g3d

N/A

27,711

passmark_gpu_compute

N/A

12,134

DETAILED SPECIFICATIONS

SPECIFICATION

Pro 555X

RTX 5080 Mobile

Core Specs

Shading Units

768

7,680 +900.0%

Shaders

768

7,680 +900.0%

TMUs

48

240 +400.0%

ROPs

16

96 +500.0%

Compute Units

12

—

SM Count

—

60

Clocks

Base Clock

—

975 MHz

Boost Clock

—

1500 MHz

GPU Clock

907 MHz

—

Memory Clock

1470 MHz 5.9 Gbps effective

1750 MHz 28 Gbps effective

Memory

Memory Size

4 GB

16 GB

VRAM (MB)

4,096

16,384 +300.0%

Memory Type

GDDR5

GDDR7

Memory Bus

128 bit

256 bit

Bandwidth

94.08 GB/s

896.0 GB/s

Cache

L1 Cache

16 KB (per CU)

128 KB (per SM)

L2 Cache

1024 KB

64 MB

Performance

Pixel Rate

14.51 GPixel/s

144.0 GPixel/s

Texture Rate

43.54 GTexel/s

360.0 GTexel/s

FP32 (TFLOPS)

1,393.2 GFLOPS

23.04 TFLOPS

FP64 (TFLOPS)

87.07 GFLOPS (1:16)

360.0 GFLOPS (1:64)

FP16 (TFLOPS)

1,393.2 GFLOPS (1:1)

23.04 TFLOPS (1:1)

AI/RT

RT Cores

—

60

Tensor Cores

—

240

Power

TDP

75 W

80 W

TDP (W)

75

80 +6.7%

Power Connectors

None

None

Architecture

Architecture

GCN 4.0

Blackwell 2.0

GPU Name

Polaris 21

GB203

Generation

Radeon Pro Mac (500X Series)

GeForce 50 Mobile

Process Size

14 nm

5 nm

Transistors

3,000 million

45,600 million

Die Size

123 mm²

378 mm²

Foundry

GlobalFoundries

TSMC

Density

24.4M / mm²

120.6M / mm²

API Support

DirectX

12 (12_0)

12 Ultimate (12_2)

OpenGL

4.6

4.6

Vulkan

1.3

1.4

OpenCL

2.1

3.0

CUDA

—

12.0

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 5.0 x16

Other

Production

End-of-life

Active

Predecessor

—

GeForce 40 Mobile

View Radeon Pro 555X Details View GeForce RTX 5080 Mobile Details