AMD Radeon R9 M290X Mac Edition vs AMD Radeon RX 6450M

VS

AMD Radeon R9 M290X Mac Edition

AMD Radeon RX 6450M

We compared two Mobile platform GPUs: 2GB VRAM Radeon R9 M290X Mac Edition and 4GB VRAM Radeon RX 6450M 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

Larger VRAM bandwidth (174.7GB/s vs 128.0GB/s)

256 additional rendering cores

AMD Radeon RX 6450M 's Advantages

Released 8 years and 2 months late

Boost Clock has increased by 152% (2460MHz vs 975MHz)

More VRAM (4GB vs 2GB)

Lower TDP (50W vs 80W)

Score

Benchmark

FP32 (float)

Radeon R9 M290X Mac Edition

1.997 TFLOPS

Radeon RX 6450M +89%

3.779 TFLOPS

Radeon R9 M290X Mac Edition

VS

Radeon RX 6450M

Graphics Card

Nov 2014

Release Date

Jan 2023

Crystal System

Generation

Navi Mobile

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x4

Clock Speeds

850 MHz

Base Clock

2000 MHz

975 MHz

Boost Clock

2460 MHz

1365 MHz

Memory Clock

2000 MHz

Memory

2GB

Memory Size

4GB

GDDR5

Memory Type

GDDR6

256bit

Memory Bus

64bit

174.7GB/s

Bandwidth

128.0GB/s

Render Config

16

Compute Units

12

-

1024

Shading Units

768

64

TMUs

48

32

ROPs

32

-

RT Cores

12

16 KB (per CU)

L1 Cache

128 KB per Array

512 KB

L2 Cache

1024 KB

-

L3 Cache

16 MB

Theoretical Performance

31.20 GPixel/s

Pixel Rate

78.72 GPixel/s

62.40 GTexel/s

Texture Rate

118.1 GTexel/s

-

FP16 (half)

7.557 TFLOPS

1.997 TFLOPS

FP32 (float)

3.779 TFLOPS

124.8 GFLOPS

FP64 (double)

236.2 GFLOPS

Board Design

80W

TDP

50W

-

No outputs

Outputs

Portable Device Dependent

None

Power Connectors

None

Graphics Processor

Pitcairn

GPU Name

Navi 24

Pitcairn PRO (215-0828062)

GPU Variant

Navi 24 XML

GCN 1.0

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

6 nm

2.8 billion

Transistors

5.4 billion

212 mm²

Die Size

107 mm²

Graphics Features

12 (11_1)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

1.2

OpenCL

2.2

1.2

Vulkan

1.3

-

5.1

Shader Model

6.7

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