AMD Radeon Pro W6800X Duo vs AMD Radeon HD 7950 Mac Edition

VS

AMD Radeon Pro W6800X Duo AMD Radeon HD 7950 Mac Edition

We compared two Desktop platform GPUs: 32GB VRAM Radeon Pro W6800X Duo and 3GB VRAM Radeon HD 7950 Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon Pro W6800X Duo 's Advantages

Released 8 years and 5 months late

Boost Clock1967MHz

More VRAM (32GB vs 3GB)

Larger VRAM bandwidth (512.0GB/s vs 240.0GB/s)

2048 additional rendering cores

AMD Radeon HD 7950 Mac Edition 's Advantages

Lower TDP (200W vs 400W)

Score

Benchmark

FP32 (float)

Radeon Pro W6800X Duo +427%

15.11 TFLOPS

Radeon HD 7950 Mac Edition

2.867 TFLOPS

Radeon Pro W6800X Duo

VS

Radeon HD 7950 Mac Edition

Graphics Card

Aug 2021

Release Date

Mar 2013

Radeon Pro Mac

Generation

Southern Islands

Desktop

Type

Desktop

Apple MPX

Bus Interface

PCIe 3.0 x16

Clock Speeds

1800 MHz

Base Clock

-

1967 MHz

Boost Clock

-

2000 MHz

Memory Clock

1250 MHz

Memory

32GB

Memory Size

3GB

GDDR6

Memory Type

GDDR5

256bit

Memory Bus

384bit

512.0GB/s

Bandwidth

240.0GB/s

Render Config

-

SM Count

-

60

Compute Units

28

3840

Shading Units

1792

240

TMUs

112

96

ROPs

32

-

Tensor Cores

-

60

RT Cores

-

128 KB per Array

L1 Cache

16 KB (per CU)

4 MB

L2 Cache

768 KB

Theoretical Performance

188.8 GPixel/s

Pixel Rate

25.60 GPixel/s

472.1 GTexel/s

Texture Rate

89.60 GTexel/s

30.21 TFLOPS

FP16 (half)

-

15.11 TFLOPS

FP32 (float)

2.867 TFLOPS

944.2 GFLOPS

FP64 (double)

716.8 GFLOPS

Graphics Processor

Navi 21

GPU Name

Tahiti

Navi 21 Pro-XLA

GPU Variant

Tahiti PRO (215-0821056)

RDNA 2.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

7 nm

Process Size

28 nm

26.8 billion

Transistors

4.313 billion

520 mm²

Die Size

352 mm²

Board Design

400W

TDP

200W

800 W

Suggested PSU

550 W

1x HDMI 2.1 4x Thunderbolt

Outputs

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

None

Power Connectors

2x 6-pin

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

-

CUDA

-

6.7

Shader Model

5.1

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