AMD Radeon HD 6990 vs AMD Radeon Pro W6900X

VS

AMD Radeon HD 6990

AMD Radeon Pro W6900X

We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 6990 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 Pro W6900X 's Advantages

Released 10 years and 5 months late

Boost Clock2150MHz

More VRAM (32GB vs 2GB)

Larger VRAM bandwidth (512.0GB/s vs 160.0GB/s)

3584 additional rendering cores

Lower TDP (300W vs 375W)

Score

Benchmark

FP32 (float)

Radeon HD 6990

2.55 TFLOPS

Radeon Pro W6900X +763%

22.02 TFLOPS

Radeon HD 6990

VS

Radeon Pro W6900X

Graphics Card

Mar 2011

Release Date

Aug 2021

Northern Islands

Generation

Radeon Pro Mac

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

1825 MHz

-

Boost Clock

2150 MHz

1250 MHz

Memory Clock

2000 MHz

Memory

2GB

Memory Size

32GB

GDDR5

Memory Type

GDDR6

256bit

Memory Bus

256bit

160.0GB/s

Bandwidth

512.0GB/s

Render Config

24

Compute Units

80

-

1536

Shading Units

5120

96

TMUs

320

32

ROPs

128

-

RT Cores

80

8 KB (per CU)

L1 Cache

128 KB per Array

512 KB

L2 Cache

4 MB

-

L3 Cache

128 MB

Theoretical Performance

26.56 GPixel/s

Pixel Rate

275.2 GPixel/s

79.68 GTexel/s

Texture Rate

688.0 GTexel/s

-

FP16 (half)

44.03 TFLOPS

2.550 TFLOPS

FP32 (float)

22.02 TFLOPS

637.4 GFLOPS

FP64 (double)

1376 GFLOPS

Board Design

375W

TDP

300W

750 W

Suggested PSU

700 W

1x DVI 4x mini-DisplayPort 1.2

Outputs

1x HDMI 2.1 4x Thunderbolt

2x 8-pin

Power Connectors

None

Graphics Processor

Antilles

GPU Name

Navi 21

Antilles XT (215-0807027)

GPU Variant

Navi 21 Pro-XTA

TeraScale 3

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

40 nm

Process Size

7 nm

2.64 billion

Transistors

26.8 billion

389 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

6.5

Related GPU Comparisons

1

AMD Radeon HD 6990 vs NVIDIA GeForce GT 610 PCIe x1

2

AMD Radeon HD 6990 vs ATI Radeon X1650 GTO

3

AMD Radeon HD 6990 vs AMD Radeon R7 250XE

4

AMD Radeon HD 6990 vs ATI Radeon HD 3470

5

AMD Radeon HD 6990 vs AMD Radeon RX 6500 XT

6

AMD Radeon HD 6990 vs NVIDIA GeForce 8800 GS Mac Edition

7

AMD Radeon HD 6990 vs AMD Radeon RX 560DX

8

AMD Radeon HD 6990 vs AMD FirePro R5000

9

AMD Radeon HD 6990 vs AMD Radeon RX 580 2048SP

10

AMD Radeon HD 6990 vs AMD Radeon HD 6530

Related News

1

Double the Excitement! AMD FSR 4.0 to Launch Alongside RX 9070 XT Graphics Card

2

CPU-Z Minor Update: Support for Intel's Four New Products and New Memory

3

CXMT Reportedly Achieves 80% Yield in DDR5 Production

4

Intel Wildcat Lake Appears on Shipping List with FCBGA1516 Socket, Poised to Replace Alder Lake-N

5

The Commencement of ARM and Qualcomm Licensing Dispute Trial: Potential Major Impact on PC Market

6

NVIDIA Allegedly Equips RTX 5080 with 30Gbps Memory Speed, Other Models to Feature 28Gbps

7

Intel Reports High Return Rates for Devices Featuring Snapdragon X Series; Qualcomm Counters with 'Industry Standard' Claim

8

Intel Confirms Panther Lake Adopts 18A Process, ES0 Samples Already Sent to Customers

9

Complete Lineup of Core Ultra 200HX/H/U and Core 200H/U Revealed: 31 Models to Dazzle the Eyes

10

Amechi Unveils V1 Mini PC: Only 0.33L Volume with 150W Power Consumption