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

VS

AMD Radeon Pro Vega 64X

AMD Radeon RX 6800M

We compared two Mobile platform GPUs: 16GB VRAM Radeon Pro Vega 64X and 12GB VRAM Radeon RX 6800M 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 12GB)

Larger VRAM bandwidth (512.0GB/s vs 384.0GB/s)

1536 additional rendering cores

AMD Radeon RX 6800M 's Advantages

Released 2 years and 2 months late

Boost Clock has increased by 63% (2390MHz vs 1468MHz)

Lower TDP (145W vs 250W)

Score

Benchmark

FP32 (float)

Radeon Pro Vega 64X

12.03 TFLOPS

Radeon RX 6800M +1%

12.24 TFLOPS

Blender

Radeon Pro Vega 64X

622

Radeon RX 6800M +152%

1568

Radeon Pro Vega 64X

VS

Radeon RX 6800M

Graphics Card

Mar 2019

Release Date

May 2021

Radeon Pro Mac

Generation

Mobility Radeon

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

1250 MHz

Base Clock

2116 MHz

1468 MHz

Boost Clock

2390 MHz

1000 MHz

Memory Clock

2000 MHz

Memory

16GB

Memory Size

12GB

HBM2

Memory Type

GDDR6

2048bit

Memory Bus

192bit

512.0GB/s

Bandwidth

384.0GB/s

Render Config

64

Compute Units

40

-

4096

Shading Units

2560

256

TMUs

160

64

ROPs

64

-

RT Cores

40

16 KB (per CU)

L1 Cache

128 KB per Array

4 MB

L2 Cache

3 MB

-

L3 Cache

96 MB

Theoretical Performance

93.95 GPixel/s

Pixel Rate

153.0 GPixel/s

375.8 GTexel/s

Texture Rate

382.4 GTexel/s

24.05 TFLOPS

FP16 (half)

24.47 TFLOPS

12.03 TFLOPS

FP32 (float)

12.24 TFLOPS

751.6 GFLOPS

FP64 (double)

764.8 GFLOPS

Board Design

250W

TDP

145W

-

No outputs

Outputs

No outputs

None

Power Connectors

None

Graphics Processor

Vega 10

GPU Name

Navi 22

Vega 10 XT (215-0894200)

GPU Variant

Navi 22 XTM

GCN 5.0

Architecture

RDNA 2.0

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

7 nm

12.5 billion

Transistors

17.2 billion

495 mm²

Die Size

335 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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