AMD Radeon RX 6800M vs AMD Radeon R7 M270

VS

AMD Radeon RX 6800M

AMD Radeon R7 M270

We compared two Mobile platform GPUs: 12GB VRAM Radeon RX 6800M and 2GB VRAM Radeon R7 M270 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6800M 's Advantages

Released 7 years and 4 months late

Boost Clock has increased by 190% (2390MHz vs 825MHz)

More VRAM (12GB vs 2GB)

Larger VRAM bandwidth (384.0GB/s vs 28.80GB/s)

2176 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX 6800M +1833%

12.24 TFLOPS

Radeon R7 M270

0.633 TFLOPS

Radeon RX 6800M

VS

Radeon R7 M270

Graphics Card

May 2021

Release Date

Jan 2014

Mobility Radeon

Generation

Gem System

Mobile

Type

Mobile

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

2116 MHz

Base Clock

725 MHz

2390 MHz

Boost Clock

825 MHz

2000 MHz

Memory Clock

900 MHz

Memory

12GB

Memory Size

2GB

GDDR6

Memory Type

DDR3

192bit

Memory Bus

128bit

384.0GB/s

Bandwidth

28.80GB/s

Render Config

40

Compute Units

6

-

2560

Shading Units

384

160

TMUs

24

64

ROPs

8

-

40

RT Cores

-

128 KB per Array

L1 Cache

16 KB (per CU)

3 MB

L2 Cache

256 KB

96 MB

L3 Cache

-

Theoretical Performance

153.0 GPixel/s

Pixel Rate

6.600 GPixel/s

382.4 GTexel/s

Texture Rate

19.80 GTexel/s

24.47 TFLOPS

FP16 (half)

-

12.24 TFLOPS

FP32 (float)

633.6 GFLOPS

764.8 GFLOPS

FP64 (double)

-

Board Design

145W

TDP

Unknown

-

No outputs

Outputs

Portable Device Dependent

None

Power Connectors

-

Graphics Processor

Navi 22

GPU Name

Opal

Navi 22 XTM

GPU Variant

Opal XT

RDNA 2.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

7 nm

Process Size

28 nm

17.2 billion

Transistors

0.95 billion

335 mm²

Die Size

77 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 (11_1)

4.6

OpenGL

4.6

2.1

OpenCL

2.1 (1.2)

1.3

Vulkan

1.2.170

-

6.5

Shader Model

6.5 (5.1)

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