AMD Radeon Pro W6900X vs ATI FirePro V4900

VS

AMD Radeon Pro W6900X

ATI FirePro V4900

We compared two Desktop platform GPUs: 32GB VRAM Radeon Pro W6900X and 1024MB VRAM FirePro V4900 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon Pro W6900X 's Advantages

Released 9 years and 9 months late

Boost Clock2150MHz

More VRAM (32GB vs 1024GB)

Larger VRAM bandwidth (512.0GB/s vs 64.00GB/s)

4640 additional rendering cores

ATI FirePro V4900 's Advantages

Lower TDP (75W vs 300W)

Score

Benchmark

FP32 (float)

Radeon Pro W6900X +2767%

22.02 TFLOPS

FirePro V4900

0.768 TFLOPS

Radeon Pro W6900X

VS

FirePro V4900

Graphics Card

Aug 2021

Release Date

Nov 2011

Radeon Pro Mac

Generation

FirePro

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

1825 MHz

Base Clock

-

2150 MHz

Boost Clock

-

2000 MHz

Memory Clock

1000 MHz

Memory

32GB

Memory Size

1024MB

GDDR6

Memory Type

GDDR5

256bit

Memory Bus

128bit

512.0GB/s

Bandwidth

64.00GB/s

Render Config

80

Compute Units

6

-

5120

Shading Units

480

320

TMUs

24

128

ROPs

8

-

80

RT Cores

-

128 KB per Array

L1 Cache

8 KB (per CU)

4 MB

L2 Cache

256 KB

128 MB

L3 Cache

-

Theoretical Performance

275.2 GPixel/s

Pixel Rate

6.400 GPixel/s

688.0 GTexel/s

Texture Rate

19.20 GTexel/s

44.03 TFLOPS

FP16 (half)

-

22.02 TFLOPS

FP32 (float)

768.0 GFLOPS

1376 GFLOPS

FP64 (double)

-

Board Design

300W

TDP

75W

700 W

Suggested PSU

250 W

1x HDMI 2.1 4x Thunderbolt

Outputs

1x DVI 2x DisplayPort 1.1

None

Power Connectors

None

Graphics Processor

Navi 21

GPU Name

Turks

Navi 21 Pro-XTA

GPU Variant

Turks XT GL

RDNA 2.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

7 nm

Process Size

40 nm

26.8 billion

Transistors

0.716 billion

520 mm²

Die Size

118 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

2.1

OpenCL

1.2

1.3

Vulkan

N/A

-

6.5

Shader Model

5.0

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