AMD Radeon Pro W6800X vs AMD Radeon R7 340 OEM

VS

AMD Radeon Pro W6800X

AMD Radeon R7 340 OEM

We compared two Desktop platform GPUs: 32GB VRAM Radeon Pro W6800X and 2GB VRAM Radeon R7 340 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon Pro W6800X 's Advantages

Released 6 years and 3 months late

Boost Clock has increased by 168% (2087MHz vs 780MHz)

More VRAM (32GB vs 2GB)

Larger VRAM bandwidth (512.0GB/s vs 64.00GB/s)

3456 additional rendering cores

AMD Radeon R7 340 OEM 's Advantages

Lower TDP (50W vs 200W)

Score

Benchmark

FP32 (float)

Radeon Pro W6800X +2576%

16.03 TFLOPS

Radeon R7 340 OEM

0.599 TFLOPS

Radeon Pro W6800X

VS

Radeon R7 340 OEM

Graphics Card

Aug 2021

Release Date

May 2015

Radeon Pro Mac

Generation

Pirate Islands

Desktop

Type

Desktop

Apple MPX

Bus Interface

PCIe 3.0 x8

Clock Speeds

1800 MHz

Base Clock

730 MHz

2087 MHz

Boost Clock

780 MHz

2000 MHz

Memory Clock

1000 MHz

Memory

32GB

Memory Size

2GB

GDDR6

Memory Type

GDDR5

256bit

Memory Bus

128bit

512.0GB/s

Bandwidth

64.00GB/s

Render Config

60

Compute Units

6

-

3840

Shading Units

384

240

TMUs

24

96

ROPs

8

-

60

RT Cores

-

128 KB per Array

L1 Cache

16 KB (per CU)

4 MB

L2 Cache

256 KB

128 MB

L3 Cache

-

Theoretical Performance

200.4 GPixel/s

Pixel Rate

6.240 GPixel/s

500.9 GTexel/s

Texture Rate

18.72 GTexel/s

32.06 TFLOPS

FP16 (half)

-

16.03 TFLOPS

FP32 (float)

599.0 GFLOPS

1002 GFLOPS

FP64 (double)

37.44 GFLOPS

Board Design

200W

TDP

50W

550 W

Suggested PSU

250 W

1x HDMI 2.1 4x Thunderbolt

Outputs

1x DVI 1x HDMI 1.4a 1x VGA

Apple MPX

Power Connectors

None

Graphics Processor

Navi 21

GPU Name

Oland

Navi 21 Pro-XLA

GPU Variant

-

RDNA 2.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

7 nm

Process Size

28 nm

26.8 billion

Transistors

0.95 billion

520 mm²

Die Size

77 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 (11_1)

4.6

OpenGL

4.6

2.1

OpenCL

1.2

1.3

Vulkan

1.2

-

6.7

Shader Model

5.1

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