AMD Radeon R9 M290X Mac Edition vs AMD Radeon RX 6800M

VS

AMD Radeon R9 M290X Mac Edition

AMD Radeon RX 6800M

We compared two Mobile platform GPUs: 2GB VRAM Radeon R9 M290X Mac Edition 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 R9 M290X Mac Edition 's Advantages

Lower TDP (80W vs 145W)

AMD Radeon RX 6800M 's Advantages

Released 6 years and 6 months late

Boost Clock has increased by 145% (2390MHz vs 975MHz)

More VRAM (12GB vs 2GB)

Larger VRAM bandwidth (384.0GB/s vs 174.7GB/s)

1536 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R9 M290X Mac Edition

1.997 TFLOPS

Radeon RX 6800M +512%

12.24 TFLOPS

Radeon R9 M290X Mac Edition

VS

Radeon RX 6800M

Graphics Card

Nov 2014

Release Date

May 2021

Crystal System

Generation

Mobility Radeon

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

850 MHz

Base Clock

2116 MHz

975 MHz

Boost Clock

2390 MHz

1365 MHz

Memory Clock

2000 MHz

Memory

2GB

Memory Size

12GB

GDDR5

Memory Type

GDDR6

256bit

Memory Bus

192bit

174.7GB/s

Bandwidth

384.0GB/s

Render Config

16

Compute Units

40

-

1024

Shading Units

2560

64

TMUs

160

32

ROPs

64

-

RT Cores

40

16 KB (per CU)

L1 Cache

128 KB per Array

512 KB

L2 Cache

3 MB

-

L3 Cache

96 MB

Theoretical Performance

31.20 GPixel/s

Pixel Rate

153.0 GPixel/s

62.40 GTexel/s

Texture Rate

382.4 GTexel/s

-

FP16 (half)

24.47 TFLOPS

1.997 TFLOPS

FP32 (float)

12.24 TFLOPS

124.8 GFLOPS

FP64 (double)

764.8 GFLOPS

Board Design

80W

TDP

145W

-

No outputs

Outputs

No outputs

None

Power Connectors

None

Graphics Processor

Pitcairn

GPU Name

Navi 22

Pitcairn PRO (215-0828062)

GPU Variant

Navi 22 XTM

GCN 1.0

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

7 nm

2.8 billion

Transistors

17.2 billion

212 mm²

Die Size

335 mm²

Graphics Features

12 (11_1)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

1.2

OpenCL

2.1

1.2

Vulkan

1.3

-

5.1

Shader Model

6.5

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