AMD Radeon Pro W6900X vs ATI Radeon HD 4870

VS

AMD Radeon Pro W6900X ATI Radeon HD 4870

We compared two Desktop platform GPUs: 32GB VRAM Radeon Pro W6900X and 512MB VRAM Radeon HD 4870 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon Pro W6900X 's Advantages

Released 13 years and 2 months late

Boost Clock2150MHz

Larger VRAM bandwidth (512.0GB/s vs 115.2GB/s)

4320 additional rendering cores

ATI Radeon HD 4870 's Advantages

Lower TDP (150W vs 300W)

Score

Benchmark

FP32 (float)

Radeon Pro W6900X +1735%

22.02 TFLOPS

Radeon HD 4870

1.2 TFLOPS

Radeon Pro W6900X

VS

Radeon HD 4870

Graphics Card

Aug 2021

Release Date

Jun 2008

Radeon Pro Mac

Generation

Radeon R700

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

900 MHz

Memory

32GB

Memory Size

512MB

GDDR6

Memory Type

GDDR5

256bit

Memory Bus

256bit

512.0GB/s

Bandwidth

115.2GB/s

Render Config

-

SM Count

-

80

Compute Units

10

5120

Shading Units

800

320

TMUs

40

128

ROPs

16

-

Tensor Cores

-

80

RT Cores

-

128 KB per Array

L1 Cache

16 KB (per CU)

4 MB

L2 Cache

256 KB

Theoretical Performance

275.2 GPixel/s

Pixel Rate

12.00 GPixel/s

688.0 GTexel/s

Texture Rate

30.00 GTexel/s

44.03 TFLOPS

FP16 (half)

-

22.02 TFLOPS

FP32 (float)

1200 GFLOPS

1376 GFLOPS

FP64 (double)

240.0 GFLOPS

Graphics Processor

Navi 21

GPU Name

RV770

Navi 21 Pro-XTA

GPU Variant

RV770 XT (215-0669049)

RDNA 2.0

Architecture

TeraScale

TSMC

Foundry

TSMC

7 nm

Process Size

55 nm

26.8 billion

Transistors

0.956 billion

520 mm²

Die Size

256 mm²

Board Design

300W

TDP

150W

700 W

Suggested PSU

450 W

1x HDMI 2.1 4x Thunderbolt

Outputs

2x DVI 1x S-Video

None

Power Connectors

2x 6-pin

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

-

CUDA

-

6.5

Shader Model

4.1

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