AMD Radeon RX 6800M vs AMD Radeon RX Vega 56 Mobile

VS

AMD Radeon RX 6800M

AMD Radeon RX Vega 56 Mobile

We compared two Mobile platform GPUs: 12GB VRAM Radeon RX 6800M and 8GB VRAM Radeon RX Vega 56 Mobile to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6800M 's Advantages

Released 2 years and 11 months late

Boost Clock has increased by 84% (2390MHz vs 1301MHz)

More VRAM (12GB vs 8GB)

AMD Radeon RX Vega 56 Mobile 's Advantages

Larger VRAM bandwidth (409.6GB/s vs 384.0GB/s)

1024 additional rendering cores

Lower TDP (120W vs 145W)

Score

Benchmark

FP32 (float)

Radeon RX 6800M +31%

12.24 TFLOPS

Radeon RX Vega 56 Mobile

9.326 TFLOPS

Blender

Radeon RX 6800M +166%

1568

Radeon RX Vega 56 Mobile

589

Radeon RX 6800M

VS

Radeon RX Vega 56 Mobile

Graphics Card

May 2021

Release Date

Jun 2018

Mobility Radeon

Generation

Mobility Radeon

Mobile

Type

Mobile

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

2116 MHz

Base Clock

1138 MHz

2390 MHz

Boost Clock

1301 MHz

2000 MHz

Memory Clock

800 MHz

Memory

12GB

Memory Size

8GB

GDDR6

Memory Type

HBM2

192bit

Memory Bus

2048bit

384.0GB/s

Bandwidth

409.6GB/s

Render Config

40

Compute Units

56

-

2560

Shading Units

3584

160

TMUs

224

64

ROPs

64

-

40

RT Cores

-

128 KB per Array

L1 Cache

16 KB (per CU)

3 MB

L2 Cache

4 MB

96 MB

L3 Cache

-

Theoretical Performance

153.0 GPixel/s

Pixel Rate

83.26 GPixel/s

382.4 GTexel/s

Texture Rate

291.4 GTexel/s

24.47 TFLOPS

FP16 (half)

18.65 TFLOPS

12.24 TFLOPS

FP32 (float)

9.326 TFLOPS

764.8 GFLOPS

FP64 (double)

582.8 GFLOPS

Board Design

145W

TDP

120W

-

No outputs

Outputs

1x HDMI 2.0b 3x DisplayPort 1.4a

None

Power Connectors

None

Graphics Processor

Navi 22

GPU Name

Vega 10

Navi 22 XTM

GPU Variant

Vega 10 XL (215-0894216)

RDNA 2.0

Architecture

GCN 5.0

TSMC

Foundry

GlobalFoundries

7 nm

Process Size

14 nm

17.2 billion

Transistors

12.5 billion

335 mm²

Die Size

495 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 (12_1)

4.6

OpenGL

4.6

2.1

OpenCL

2.1

1.3

Vulkan

1.2

-

6.5

Shader Model

6.4

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