AMD Radeon HD 7850 vs AMD Radeon Pro W6900X

VS

AMD Radeon HD 7850

AMD Radeon Pro W6900X

We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 7850 and 32GB VRAM Radeon Pro W6900X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7850 's Advantages

Lower TDP (130W vs 300W)

AMD Radeon Pro W6900X 's Advantages

Released 9 years and 5 months late

Boost Clock2150MHz

More VRAM (32GB vs 2GB)

Larger VRAM bandwidth (512.0GB/s vs 153.6GB/s)

4096 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 7850

1.761 TFLOPS

Radeon Pro W6900X +1150%

22.02 TFLOPS

Radeon HD 7850

VS

Radeon Pro W6900X

Graphics Card

Mar 2012

Release Date

Aug 2021

Southern Islands

Generation

Radeon Pro Mac

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

1825 MHz

-

Boost Clock

2150 MHz

1200 MHz

Memory Clock

2000 MHz

Memory

2GB

Memory Size

32GB

GDDR5

Memory Type

GDDR6

256bit

Memory Bus

256bit

153.6GB/s

Bandwidth

512.0GB/s

Render Config

16

Compute Units

80

-

1024

Shading Units

5120

64

TMUs

320

32

ROPs

128

-

RT Cores

80

16 KB (per CU)

L1 Cache

128 KB per Array

512 KB

L2 Cache

4 MB

-

L3 Cache

128 MB

Theoretical Performance

27.52 GPixel/s

Pixel Rate

275.2 GPixel/s

55.04 GTexel/s

Texture Rate

688.0 GTexel/s

-

FP16 (half)

44.03 TFLOPS

1.761 TFLOPS

FP32 (float)

22.02 TFLOPS

110.1 GFLOPS

FP64 (double)

1376 GFLOPS

Board Design

130W

TDP

300W

300 W

Suggested PSU

700 W

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

Outputs

1x HDMI 2.1 4x Thunderbolt

1x 6-pin

Power Connectors

None

Graphics Processor

Pitcairn

GPU Name

Navi 21

Pitcairn PRO (215-0828062)

GPU Variant

Navi 21 Pro-XTA

GCN 1.0

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

7 nm

2.8 billion

Transistors

26.8 billion

212 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

6.5

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