AMD Radeon R9 295X2 vs AMD Radeon Pro W6900X

VS

AMD Radeon R9 295X2

AMD Radeon Pro W6900X

We compared two Desktop platform GPUs: 4GB VRAM Radeon R9 295X2 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 Pro W6900X 's Advantages

Released 7 years and 4 months late

Boost Clock2150MHz

More VRAM (32GB vs 4GB)

Larger VRAM bandwidth (512.0GB/s vs 320.0GB/s)

2304 additional rendering cores

Lower TDP (300W vs 500W)

Score

Benchmark

FP32 (float)

Radeon R9 295X2

5.733 TFLOPS

Radeon Pro W6900X +284%

22.02 TFLOPS

Radeon R9 295X2

VS

Radeon Pro W6900X

Graphics Card

Apr 2014

Release Date

Aug 2021

Volcanic Islands

Generation

Radeon Pro Mac

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

1825 MHz

-

Boost Clock

2150 MHz

1250 MHz

Memory Clock

2000 MHz

Memory

4GB

Memory Size

32GB

GDDR5

Memory Type

GDDR6

512bit

Memory Bus

256bit

320.0GB/s

Bandwidth

512.0GB/s

Render Config

44

Compute Units

80

-

2816

Shading Units

5120

176

TMUs

320

64

ROPs

128

-

RT Cores

80

16 KB (per CU)

L1 Cache

128 KB per Array

1024 KB

L2 Cache

4 MB

-

L3 Cache

128 MB

Theoretical Performance

65.15 GPixel/s

Pixel Rate

275.2 GPixel/s

179.2 GTexel/s

Texture Rate

688.0 GTexel/s

-

FP16 (half)

44.03 TFLOPS

5.733 TFLOPS

FP32 (float)

22.02 TFLOPS

716.7 GFLOPS

FP64 (double)

1376 GFLOPS

Board Design

500W

TDP

300W

900 W

Suggested PSU

700 W

1x DVI 4x mini-DisplayPort 1.2

Outputs

1x HDMI 2.1 4x Thunderbolt

2x 8-pin

Power Connectors

None

Graphics Processor

Vesuvius

GPU Name

Navi 21

Vesuvius XT (215-0852022)

GPU Variant

Navi 21 Pro-XTA

GCN 2.0

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

7 nm

6.2 billion

Transistors

26.8 billion

438 mm²

Die Size

520 mm²

Graphics Features

12 (12_0)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

2.0

OpenCL

2.1

1.2

Vulkan

1.3

-

6.3

Shader Model

6.5

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