AMD Radeon R9 295X2 vs AMD Radeon Pro W6800X

VS

AMD Radeon R9 295X2

AMD Radeon Pro W6800X

We compared two Desktop platform GPUs: 4GB VRAM Radeon R9 295X2 and 32GB VRAM Radeon Pro W6800X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon Pro W6800X 's Advantages

Released 7 years and 4 months late

Boost Clock2087MHz

More VRAM (32GB vs 4GB)

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

1024 additional rendering cores

Lower TDP (200W vs 500W)

Score

Benchmark

FP32 (float)

Radeon R9 295X2

5.733 TFLOPS

Radeon Pro W6800X +179%

16.03 TFLOPS

Radeon R9 295X2

VS

Radeon Pro W6800X

Graphics Card

Apr 2014

Release Date

Aug 2021

Volcanic Islands

Generation

Radeon Pro Mac

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

Apple MPX

Clock Speeds

-

Base Clock

1800 MHz

-

Boost Clock

2087 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

60

-

2816

Shading Units

3840

176

TMUs

240

64

ROPs

96

-

RT Cores

60

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

200.4 GPixel/s

179.2 GTexel/s

Texture Rate

500.9 GTexel/s

-

FP16 (half)

32.06 TFLOPS

5.733 TFLOPS

FP32 (float)

16.03 TFLOPS

716.7 GFLOPS

FP64 (double)

1002 GFLOPS

Board Design

500W

TDP

200W

900 W

Suggested PSU

550 W

1x DVI 4x mini-DisplayPort 1.2

Outputs

1x HDMI 2.1 4x Thunderbolt

2x 8-pin

Power Connectors

Apple MPX

Graphics Processor

Vesuvius

GPU Name

Navi 21

Vesuvius XT (215-0852022)

GPU Variant

Navi 21 Pro-XLA

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

6.7

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