AMD Radeon HD 6870 1600SP Edition vs AMD Radeon Pro W6800X Duo

VS

AMD Radeon HD 6870 1600SP Edition

AMD Radeon Pro W6800X Duo

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6870 1600SP Edition 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 6870 1600SP Edition 's Advantages

Lower TDP (175W vs 400W)

AMD Radeon Pro W6800X Duo 's Advantages

Released 8 years and 7 months late

Boost Clock1967MHz

More VRAM (32GB vs 1024GB)

Larger VRAM bandwidth (512.0GB/s vs 134.4GB/s)

2240 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6870 1600SP Edition

2.72 TFLOPS

Radeon Pro W6800X Duo +455%

15.11 TFLOPS

Radeon HD 6870 1600SP Edition

VS

Radeon Pro W6800X Duo

Graphics Card

Jan 2013

Release Date

Aug 2021

Northern Islands

Generation

Radeon Pro Mac

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

Apple MPX

Clock Speeds

-

Base Clock

1800 MHz

-

Boost Clock

1967 MHz

1050 MHz

Memory Clock

2000 MHz

Memory

1024MB

Memory Size

32GB

GDDR5

Memory Type

GDDR6

256bit

Memory Bus

256bit

134.4GB/s

Bandwidth

512.0GB/s

Render Config

20

Compute Units

60

-

1600

Shading Units

3840

80

TMUs

240

32

ROPs

96

-

RT Cores

60

8 KB (per CU)

L1 Cache

128 KB per Array

512 KB

L2 Cache

4 MB

-

L3 Cache

128 MB

Theoretical Performance

27.20 GPixel/s

Pixel Rate

188.8 GPixel/s

68.00 GTexel/s

Texture Rate

472.1 GTexel/s

-

FP16 (half)

30.21 TFLOPS

2.720 TFLOPS

FP32 (float)

15.11 TFLOPS

544.0 GFLOPS

FP64 (double)

944.2 GFLOPS

Board Design

175W

TDP

400W

450 W

Suggested PSU

800 W

2x DVI 1x HDMI 1.3a 2x mini-DisplayPort 1.1

Outputs

1x HDMI 2.1 4x Thunderbolt

2x 6-pin

Power Connectors

None

Graphics Processor

Cypress

GPU Name

Navi 21

Cypress XT (215-0735033)

GPU Variant

Navi 21 Pro-XLA

TeraScale 2

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

40 nm

Process Size

7 nm

2.154 billion

Transistors

26.8 billion

334 mm²

Die Size

520 mm²

Graphics Features

11.2 (11_0)

DirectX

12 Ultimate (12_2)

4.4

OpenGL

4.6

1.2

OpenCL

2.1

N/A

Vulkan

1.3

-

5.0

Shader Model

6.7

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