AMD Radeon Pro W6800X Duo vs ATI Radeon HD 4860

VS

AMD Radeon Pro W6800X Duo

ATI Radeon HD 4860

We compared two Desktop platform GPUs: 32GB VRAM Radeon Pro W6800X Duo and 512MB VRAM Radeon HD 4860 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 11 years and 11 months late

Boost Clock1967MHz

More VRAM (32GB vs 512GB)

Larger VRAM bandwidth (512.0GB/s vs 96.00GB/s)

3200 additional rendering cores

ATI Radeon HD 4860 's Advantages

Lower TDP (130W vs 400W)

Score

Benchmark

FP32 (float)

Radeon Pro W6800X Duo +1586%

15.11 TFLOPS

Radeon HD 4860

0.896 TFLOPS

Radeon Pro W6800X Duo

VS

Radeon HD 4860

Graphics Card

Aug 2021

Release Date

Sep 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

750 MHz

Memory

32GB

Memory Size

512MB

GDDR6

Memory Type

GDDR5

256bit

Memory Bus

256bit

512.0GB/s

Bandwidth

96.00GB/s

Render Config

60

Compute Units

8

-

3840

Shading Units

640

240

TMUs

32

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

11.20 GPixel/s

472.1 GTexel/s

Texture Rate

22.40 GTexel/s

30.21 TFLOPS

FP16 (half)

-

15.11 TFLOPS

FP32 (float)

896.0 GFLOPS

944.2 GFLOPS

FP64 (double)

179.2 GFLOPS

Board Design

400W

TDP

130W

800 W

Suggested PSU

300 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 GT

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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