AMD Radeon HD 6990 vs AMD Radeon RX 5500 XT

VS

AMD Radeon HD 6990

AMD Radeon RX 5500 XT

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

Main Differences

AMD Radeon HD 6990 's Advantages

128 additional rendering cores

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)

Score

Benchmark

FP32 (float)

Radeon HD 6990

2.55 TFLOPS

Radeon RX 5500 XT +103%

5.196 TFLOPS

Radeon HD 6990

VS

Radeon RX 5500 XT

Graphics Card

Mar 2011

Release Date

Dec 2019

Northern Islands

Generation

Navi

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 4.0 x8

Clock Speeds

-

Base Clock

1607 MHz

-

Boost Clock

1845 MHz

1250 MHz

Memory Clock

1750 MHz

Memory

2GB

Memory Size

4GB

GDDR5

Memory Type

GDDR6

256bit

Memory Bus

128bit

160.0GB/s

Bandwidth

224.0GB/s

Render Config

24

Compute Units

22

-

1536

Shading Units

1408

96

TMUs

88

32

ROPs

32

-

8 KB (per CU)

L1 Cache

-

512 KB

L2 Cache

2 MB

-

Theoretical Performance

26.56 GPixel/s

Pixel Rate

59.04 GPixel/s

79.68 GTexel/s

Texture Rate

162.4 GTexel/s

-

FP16 (half)

10.39 TFLOPS

2.550 TFLOPS

FP32 (float)

5.196 TFLOPS

637.4 GFLOPS

FP64 (double)

324.7 GFLOPS

Board Design

375W

TDP

130W

750 W

Suggested PSU

300 W

1x DVI 4x mini-DisplayPort 1.2

Outputs

1x HDMI 2.1 3x DisplayPort 1.4a

2x 8-pin

Power Connectors

1x 8-pin

Graphics Processor

Antilles

GPU Name

Navi 14

Antilles XT (215-0807027)

GPU Variant

Navi 14 XTX (215-0932396)

TeraScale 3

Architecture

RDNA 1.0

TSMC

Foundry

TSMC

40 nm

Process Size

7 nm

2.64 billion

Transistors

6.4 billion

389 mm²

Die Size

158 mm²

Graphics Features

11.2 (11_0)

DirectX

12 (12_1)

4.4

OpenGL

4.6

1.2

OpenCL

2.1

N/A

Vulkan

1.3

-

5.0

Shader Model

6.5

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