AMD Radeon Pro W6800X Duo vs ATI Radeon HD 4890

VS

AMD Radeon Pro W6800X Duo

ATI Radeon HD 4890

We compared two Desktop platform GPUs: 32GB VRAM Radeon Pro W6800X Duo and 1024MB VRAM Radeon HD 4890 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon Pro W6800X Duo 's Advantages

Released 12 years and 4 months late

Boost Clock1967MHz

More VRAM (32GB vs 1024GB)

Larger VRAM bandwidth (512.0GB/s vs 124.8GB/s)

3040 additional rendering cores

ATI Radeon HD 4890 's Advantages

Lower TDP (190W vs 400W)

Score

Benchmark

FP32 (float)

Radeon Pro W6800X Duo +1011%

15.11 TFLOPS

Radeon HD 4890

1.36 TFLOPS

Radeon Pro W6800X Duo

VS

Radeon HD 4890

Graphics Card

Aug 2021

Release Date

Apr 2009

Radeon Pro Mac

Generation

Radeon R700

Desktop

Type

Desktop

Apple MPX

Bus Interface

PCIe 2.0 x16

Clock Speeds

1800 MHz

Base Clock

-

1967 MHz

Boost Clock

-

2000 MHz

Memory Clock

975 MHz

Memory

32GB

Memory Size

1024MB

GDDR6

Memory Type

GDDR5

256bit

Memory Bus

256bit

512.0GB/s

Bandwidth

124.8GB/s

Render Config

60

Compute Units

10

-

3840

Shading Units

800

240

TMUs

40

96

ROPs

16

-

60

RT Cores

-

128 KB per Array

L1 Cache

16 KB (per CU)

4 MB

L2 Cache

256 KB

128 MB

L3 Cache

-

Theoretical Performance

188.8 GPixel/s

Pixel Rate

13.60 GPixel/s

472.1 GTexel/s

Texture Rate

34.00 GTexel/s

30.21 TFLOPS

FP16 (half)

-

15.11 TFLOPS

FP32 (float)

1360 GFLOPS

944.2 GFLOPS

FP64 (double)

272.0 GFLOPS

Board Design

400W

TDP

190W

800 W

Suggested PSU

450 W

1x HDMI 2.1 4x Thunderbolt

Outputs

2x DVI 1x S-Video

None

Power Connectors

2x 6-pin

Graphics Processor

Navi 21

GPU Name

RV790

Navi 21 Pro-XLA

GPU Variant

RV790 XT (215-0758016)

RDNA 2.0

Architecture

TeraScale

TSMC

Foundry

TSMC

7 nm

Process Size

55 nm

26.8 billion

Transistors

0.959 billion

520 mm²

Die Size

282 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3

2.1

OpenCL

1.1

1.3

Vulkan

N/A

-

6.7

Shader Model

4.1

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