AMD Radeon Pro Vega 64 vs AMD Radeon RX 6600S

VS

AMD Radeon Pro Vega 64

AMD Radeon RX 6600S

We compared two Mobile platform GPUs: 16GB VRAM Radeon Pro Vega 64 and 4GB VRAM Radeon RX 6600S to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon Pro Vega 64 's Advantages

More VRAM (16GB vs 4GB)

Larger VRAM bandwidth (402.4GB/s vs 224.0GB/s)

2304 additional rendering cores

AMD Radeon RX 6600S 's Advantages

Released 4 years and 7 months late

Boost Clock has increased by 48% (2000MHz vs 1350MHz)

Lower TDP (80W vs 250W)

Score

Benchmark

FP32 (float)

Radeon Pro Vega 64 +54%

11.06 TFLOPS

Radeon RX 6600S

7.168 TFLOPS

Radeon Pro Vega 64

VS

Radeon RX 6600S

Graphics Card

Jun 2017

Release Date

Jan 2022

Radeon Pro Mac

Generation

Mobility Radeon

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x8

Clock Speeds

1250 MHz

Base Clock

1700 MHz

1350 MHz

Boost Clock

2000 MHz

786 MHz

Memory Clock

1750 MHz

Memory

16GB

Memory Size

4GB

HBM2

Memory Type

GDDR6

2048bit

Memory Bus

128bit

402.4GB/s

Bandwidth

224.0GB/s

Render Config

64

Compute Units

28

-

4096

Shading Units

1792

256

TMUs

112

64

ROPs

64

-

RT Cores

28

16 KB (per CU)

L1 Cache

128 KB per Array

4 MB

L2 Cache

2 MB

-

L3 Cache

32 MB

Theoretical Performance

86.40 GPixel/s

Pixel Rate

128.0 GPixel/s

345.6 GTexel/s

Texture Rate

224.0 GTexel/s

22.12 TFLOPS

FP16 (half)

14.34 TFLOPS

11.06 TFLOPS

FP32 (float)

7.168 TFLOPS

691.2 GFLOPS

FP64 (double)

448.0 GFLOPS

Board Design

250W

TDP

80W

-

No outputs

Outputs

No outputs

None

Power Connectors

None

Graphics Processor

Vega 10

GPU Name

Navi 23

Vega 10 XT (215-0894200)

GPU Variant

-

GCN 5.0

Architecture

RDNA 2.0

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

7 nm

12.5 billion

Transistors

11.06 billion

495 mm²

Die Size

237 mm²

Graphics Features

12 (12_1)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

2.1

OpenCL

2.1

1.2

Vulkan

1.3

-

6.4

Shader Model

6.5

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