AMD Radeon HD 7870 XT vs AMD Radeon Pro W6800X Duo

VS

AMD Radeon HD 7870 XT

AMD Radeon Pro W6800X Duo

We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 7870 XT and 32GB VRAM Radeon Pro W6800X Duo to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7870 XT 's Advantages

Lower TDP (185W vs 400W)

AMD Radeon Pro W6800X Duo 's Advantages

Released 8 years and 9 months late

Boost Clock has increased by 102% (1967MHz vs 975MHz)

More VRAM (32GB vs 2GB)

Larger VRAM bandwidth (512.0GB/s vs 192.0GB/s)

2304 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 7870 XT

2.995 TFLOPS

Radeon Pro W6800X Duo +404%

15.11 TFLOPS

Radeon HD 7870 XT

VS

Radeon Pro W6800X Duo

Graphics Card

Nov 2012

Release Date

Aug 2021

Southern Islands

Generation

Radeon Pro Mac

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

Apple MPX

Clock Speeds

925 MHz

Base Clock

1800 MHz

975 MHz

Boost Clock

1967 MHz

1500 MHz

Memory Clock

2000 MHz

Memory

2GB

Memory Size

32GB

GDDR5

Memory Type

GDDR6

256bit

Memory Bus

256bit

192.0GB/s

Bandwidth

512.0GB/s

Render Config

24

Compute Units

60

-

1536

Shading Units

3840

96

TMUs

240

32

ROPs

96

-

RT Cores

60

16 KB (per CU)

L1 Cache

128 KB per Array

512 KB

L2 Cache

4 MB

-

L3 Cache

128 MB

Theoretical Performance

31.20 GPixel/s

Pixel Rate

188.8 GPixel/s

93.60 GTexel/s

Texture Rate

472.1 GTexel/s

-

FP16 (half)

30.21 TFLOPS

2.995 TFLOPS

FP32 (float)

15.11 TFLOPS

748.8 GFLOPS

FP64 (double)

944.2 GFLOPS

Board Design

185W

TDP

400W

450 W

Suggested PSU

800 W

1x DVI 1x HDMI 1.4a 2x mini-DisplayPort 1.2

Outputs

1x HDMI 2.1 4x Thunderbolt

2x 6-pin

Power Connectors

None

Graphics Processor

Tahiti

GPU Name

Navi 21

Tahiti LE (215-0821122)

GPU Variant

Navi 21 Pro-XLA

GCN 1.0

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

7 nm

4.313 billion

Transistors

26.8 billion

352 mm²

Die Size

520 mm²

Graphics Features

12 (11_1)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

1.2

OpenCL

2.1

1.2

Vulkan

1.3

-

5.1

Shader Model

6.7

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