ATI Radeon HD 4870 X2 vs AMD Radeon Pro W6900X

VS

ATI Radeon HD 4870 X2

AMD Radeon Pro W6900X

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 4870 X2 and 32GB VRAM Radeon Pro W6900X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 4870 X2 's Advantages

Lower TDP (286W vs 300W)

AMD Radeon Pro W6900X 's Advantages

Released 13 years late

Boost Clock2150MHz

More VRAM (32GB vs 1024GB)

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

4320 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 4870 X2

1.2 TFLOPS

Radeon Pro W6900X +1735%

22.02 TFLOPS

Radeon HD 4870 X2

VS

Radeon Pro W6900X

Graphics Card

Aug 2008

Release Date

Aug 2021

Radeon R700

Generation

Radeon Pro Mac

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

1825 MHz

-

Boost Clock

2150 MHz

900 MHz

Memory Clock

2000 MHz

Memory

1024MB

Memory Size

32GB

GDDR5

Memory Type

GDDR6

256bit

Memory Bus

256bit

115.2GB/s

Bandwidth

512.0GB/s

Render Config

10

Compute Units

80

-

800

Shading Units

5120

40

TMUs

320

16

ROPs

128

-

RT Cores

80

16 KB (per CU)

L1 Cache

128 KB per Array

256 KB

L2 Cache

4 MB

-

L3 Cache

128 MB

Theoretical Performance

12.00 GPixel/s

Pixel Rate

275.2 GPixel/s

30.00 GTexel/s

Texture Rate

688.0 GTexel/s

-

FP16 (half)

44.03 TFLOPS

1200 GFLOPS

FP32 (float)

22.02 TFLOPS

240.0 GFLOPS

FP64 (double)

1376 GFLOPS

Board Design

286W

TDP

300W

600 W

Suggested PSU

700 W

2x DVI 1x S-Video

Outputs

1x HDMI 2.1 4x Thunderbolt

1x 6-pin + 1x 8-pin

Power Connectors

None

Graphics Processor

R700

GPU Name

Navi 21

R700 XT (215-0669045)

GPU Variant

Navi 21 Pro-XTA

TeraScale

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

55 nm

Process Size

7 nm

0.956 billion

Transistors

26.8 billion

256 mm²

Die Size

520 mm²

Graphics Features

10.1 (10_1)

DirectX

12 Ultimate (12_2)

3.3

OpenGL

4.6

1.1

OpenCL

2.1

N/A

Vulkan

1.3

-

4.1

Shader Model

6.5

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