AMD Radeon RX 5500 XT vs AMD Radeon HD 6990

VS

AMD Radeon RX 5500 XT

AMD Radeon HD 6990

We compared two Desktop platform GPUs: 4GB VRAM Radeon RX 5500 XT and 2GB VRAM Radeon HD 6990 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 5500 XT 's Advantages

Released 8 years and 9 months late

Boost Clock1845MHz

More VRAM (4GB vs 2GB)

Larger VRAM bandwidth (224.0GB/s vs 160.0GB/s)

Lower TDP (130W vs 375W)

AMD Radeon HD 6990 's Advantages

128 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX 5500 XT +103%

5.196 TFLOPS

Radeon HD 6990

2.55 TFLOPS

Radeon RX 5500 XT

VS

Radeon HD 6990

Graphics Card

Dec 2019

Release Date

Mar 2011

Navi

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 4.0 x8

Bus Interface

PCIe 2.0 x16

Clock Speeds

1607 MHz

Base Clock

-

1845 MHz

Boost Clock

-

1750 MHz

Memory Clock

1250 MHz

Memory

4GB

Memory Size

2GB

GDDR6

Memory Type

GDDR5

128bit

Memory Bus

256bit

224.0GB/s

Bandwidth

160.0GB/s

Render Config

22

Compute Units

24

-

1408

Shading Units

1536

88

TMUs

96

32

ROPs

32

-

L1 Cache

8 KB (per CU)

2 MB

L2 Cache

512 KB

-

Theoretical Performance

59.04 GPixel/s

Pixel Rate

26.56 GPixel/s

162.4 GTexel/s

Texture Rate

79.68 GTexel/s

10.39 TFLOPS

FP16 (half)

-

5.196 TFLOPS

FP32 (float)

2.550 TFLOPS

324.7 GFLOPS

FP64 (double)

637.4 GFLOPS

Board Design

130W

TDP

375W

300 W

Suggested PSU

750 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

1x DVI 4x mini-DisplayPort 1.2

1x 8-pin

Power Connectors

2x 8-pin

Graphics Processor

Navi 14

GPU Name

Antilles

Navi 14 XTX (215-0932396)

GPU Variant

Antilles XT (215-0807027)

RDNA 1.0

Architecture

TeraScale 3

TSMC

Foundry

TSMC

7 nm

Process Size

40 nm

6.4 billion

Transistors

2.64 billion

158 mm²

Die Size

389 mm²

Graphics Features

12 (12_1)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

2.1

OpenCL

1.2

1.3

Vulkan

N/A

-

6.5

Shader Model

5.0

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