AMD Radeon HD 6390 vs AMD Radeon Pro W6900X

VS

AMD Radeon HD 6390

AMD Radeon Pro W6900X

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6390 and 32GB VRAM Radeon Pro W6900X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6390 's Advantages

Lower TDP (39W vs 300W)

AMD Radeon Pro W6900X 's Advantages

Released 10 years and 1 months late

Boost Clock2150MHz

More VRAM (32GB vs 1024GB)

Larger VRAM bandwidth (512.0GB/s vs 16.00GB/s)

4800 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6390

0.352 TFLOPS

Radeon Pro W6900X +6155%

22.02 TFLOPS

Radeon HD 6390

VS

Radeon Pro W6900X

Graphics Card

Jul 2011

Release Date

Aug 2021

Northern Islands

Generation

Radeon Pro Mac

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

1825 MHz

-

Boost Clock

2150 MHz

500 MHz

Memory Clock

2000 MHz

Memory

1024MB

Memory Size

32GB

DDR2

Memory Type

GDDR6

128bit

Memory Bus

256bit

16.00GB/s

Bandwidth

512.0GB/s

Render Config

4

Compute Units

80

-

320

Shading Units

5120

16

TMUs

320

8

ROPs

128

-

RT Cores

80

8 KB (per CU)

L1 Cache

128 KB per Array

256 KB

L2 Cache

4 MB

-

L3 Cache

128 MB

Theoretical Performance

4.400 GPixel/s

Pixel Rate

275.2 GPixel/s

8.800 GTexel/s

Texture Rate

688.0 GTexel/s

-

FP16 (half)

44.03 TFLOPS

352.0 GFLOPS

FP32 (float)

22.02 TFLOPS

-

FP64 (double)

1376 GFLOPS

Board Design

39W

TDP

300W

200 W

Suggested PSU

700 W

1x DVI 1x HDMI 1.3a 1x VGA

Outputs

1x HDMI 2.1 4x Thunderbolt

None

Power Connectors

None

Graphics Processor

Redwood

GPU Name

Navi 21

Redwood LE

GPU Variant

Navi 21 Pro-XTA

TeraScale 2

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

40 nm

Process Size

7 nm

0.627 billion

Transistors

26.8 billion

104 mm²

Die Size

520 mm²

Graphics Features

11.2 (11_0)

DirectX

12 Ultimate (12_2)

4.4

OpenGL

4.6

1.2

OpenCL

2.1

N/A

Vulkan

1.3

-

5.0

Shader Model

6.5

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