AMD Radeon HD 6850 X2 vs AMD Radeon Pro W6800X Duo

VS

AMD Radeon HD 6850 X2 AMD Radeon Pro W6800X Duo

We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 6850 X2 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 6850 X2 's Advantages

Lower TDP (254W vs 400W)

AMD Radeon Pro W6800X Duo 's Advantages

Released 9 years and 11 months late

Boost Clock1967MHz

More VRAM (32GB vs 2GB)

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

2880 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6850 X2

1.536 TFLOPS

Radeon Pro W6800X Duo +883%

15.11 TFLOPS

Radeon HD 6850 X2

VS

Radeon Pro W6800X Duo

Graphics Card

Sep 2011

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

2GB

Memory Size

32GB

GDDR5

Memory Type

GDDR6

256bit

Memory Bus

256bit

134.4GB/s

Bandwidth

512.0GB/s

Render Config

-

SM Count

-

12

Compute Units

60

960

Shading Units

3840

48

TMUs

240

32

ROPs

96

-

Tensor Cores

-

RT Cores

60

8 KB (per CU)

L1 Cache

128 KB per Array

512 KB

L2 Cache

4 MB

Theoretical Performance

25.60 GPixel/s

Pixel Rate

188.8 GPixel/s

38.40 GTexel/s

Texture Rate

472.1 GTexel/s

-

FP16 (half)

30.21 TFLOPS

1.536 TFLOPS

FP32 (float)

15.11 TFLOPS

-

FP64 (double)

944.2 GFLOPS

Graphics Processor

Barts

GPU Name

Navi 21

Barts PRO (215-0798006)

GPU Variant

Navi 21 Pro-XLA

TeraScale 2

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

40 nm

Process Size

7 nm

1.7 billion

Transistors

26.8 billion

255 mm²

Die Size

520 mm²

Board Design

254W

TDP

400W

600 W

Suggested PSU

800 W

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

Outputs

1x HDMI 2.1 4x Thunderbolt

2x 8-pin

Power Connectors

None

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

-

CUDA

-

5.0

Shader Model

6.7

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