AMD Radeon Pro Vega 64X vs AMD Radeon RX 6800S

VS

AMD Radeon Pro Vega 64X AMD Radeon RX 6800S

We compared two Mobile platform GPUs: 16GB VRAM Radeon Pro Vega 64X and 8GB VRAM Radeon RX 6800S to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon Pro Vega 64X 's Advantages

More VRAM (16GB vs 8GB)

Larger VRAM bandwidth (512.0GB/s vs 256.0GB/s)

2048 additional rendering cores

AMD Radeon RX 6800S 's Advantages

Released 2 years and 10 months late

Boost Clock has increased by 43% (2100MHz vs 1468MHz)

Lower TDP (100W vs 250W)

Score

Benchmark

FP32 (float)

Radeon Pro Vega 64X +39%

12.03 TFLOPS

Radeon RX 6800S

8.602 TFLOPS

Blender

Radeon Pro Vega 64X

674

Radeon RX 6800S +216%

2133

Radeon Pro Vega 64X

VS

Radeon RX 6800S

Graphics Card

Mar 2019

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

1800 MHz

1468 MHz

Boost Clock

2100 MHz

1000 MHz

Memory Clock

2000 MHz

Memory

16GB

Memory Size

8GB

HBM2

Memory Type

GDDR6

2048bit

Memory Bus

128bit

512.0GB/s

Bandwidth

256.0GB/s

Render Config

-

SM Count

-

64

Compute Units

32

4096

Shading Units

2048

256

TMUs

128

64

ROPs

64

-

Tensor Cores

-

RT Cores

32

16 KB (per CU)

L1 Cache

128 KB per Array

4 MB

L2 Cache

2 MB

Theoretical Performance

93.95 GPixel/s

Pixel Rate

134.4 GPixel/s

375.8 GTexel/s

Texture Rate

268.8 GTexel/s

24.05 TFLOPS

FP16 (half)

17.20 TFLOPS

12.03 TFLOPS

FP32 (float)

8.602 TFLOPS

751.6 GFLOPS

FP64 (double)

537.6 GFLOPS

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

Board Design

250W

TDP

100W

-

Suggested PSU

-

No outputs

Outputs

No outputs

None

Power Connectors

None

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

-

CUDA

-

6.4

Shader Model

6.5

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