AMD Radeon RX Vega M GL vs AMD Radeon RX 6800M

VS

AMD Radeon RX Vega M GL

AMD Radeon RX 6800M

We compared two Mobile platform GPUs: 4GB VRAM Radeon RX Vega M GL 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 RX Vega M GL 's Advantages

Lower TDP (65W vs 145W)

AMD Radeon RX 6800M 's Advantages

Released 3 years and 3 months late

Boost Clock has increased by 136% (2390MHz vs 1011MHz)

More VRAM (12GB vs 4GB)

Larger VRAM bandwidth (384.0GB/s vs 179.2GB/s)

1280 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX Vega M GL

2.588 TFLOPS

Radeon RX 6800M +372%

12.24 TFLOPS

Radeon RX Vega M GL

VS

Radeon RX 6800M

Graphics Card

Feb 2018

Release Date

May 2021

Vega

Generation

Mobility Radeon

Mobile

Type

Mobile

IGP

Bus Interface

PCIe 4.0 x16

Clock Speeds

931 MHz

Base Clock

2116 MHz

1011 MHz

Boost Clock

2390 MHz

700 MHz

Memory Clock

2000 MHz

Memory

4GB

Memory Size

12GB

HBM2

Memory Type

GDDR6

1024bit

Memory Bus

192bit

179.2GB/s

Bandwidth

384.0GB/s

Render Config

20

Compute Units

40

-

1280

Shading Units

2560

80

TMUs

160

32

ROPs

64

-

RT Cores

40

16 KB (per CU)

L1 Cache

128 KB per Array

1024 KB

L2 Cache

3 MB

-

L3 Cache

96 MB

Theoretical Performance

32.35 GPixel/s

Pixel Rate

153.0 GPixel/s

80.88 GTexel/s

Texture Rate

382.4 GTexel/s

2.588 TFLOPS

FP16 (half)

24.47 TFLOPS

2.588 TFLOPS

FP32 (float)

12.24 TFLOPS

161.8 GFLOPS

FP64 (double)

764.8 GFLOPS

Board Design

65W

TDP

145W

-

No outputs

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

Polaris 22

GPU Name

Navi 22

VegaM XL (D715A714)

GPU Variant

Navi 22 XTM

GCN 4.0

Architecture

RDNA 2.0

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

7 nm

5 billion

Transistors

17.2 billion

208 mm²

Die Size

335 mm²

Graphics Features

12 (12_0)

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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