AMD Radeon HD 6990 vs AMD Radeon RX 5700 XT 50th Anniversary

VS

AMD Radeon HD 6990

AMD Radeon RX 5700 XT 50th Anniversary

We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 6990 and 8GB VRAM Radeon RX 5700 XT 50th Anniversary to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 5700 XT 50th Anniversary 's Advantages

Released 8 years and 4 months late

Boost Clock1980MHz

More VRAM (8GB vs 2GB)

Larger VRAM bandwidth (448.0GB/s vs 160.0GB/s)

1024 additional rendering cores

Lower TDP (225W vs 375W)

Score

Benchmark

FP32 (float)

Radeon HD 6990

2.55 TFLOPS

Radeon RX 5700 XT 50th Anniversary +297%

10.14 TFLOPS

Radeon HD 6990

VS

Radeon RX 5700 XT 50th Anniversary

Graphics Card

Mar 2011

Release Date

Jul 2019

Northern Islands

Generation

Navi

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

1680 MHz

-

Boost Clock

1980 MHz

1250 MHz

Memory Clock

1750 MHz

Memory

2GB

Memory Size

8GB

GDDR5

Memory Type

GDDR6

256bit

Memory Bus

256bit

160.0GB/s

Bandwidth

448.0GB/s

Render Config

24

Compute Units

40

-

1536

Shading Units

2560

96

TMUs

160

32

ROPs

64

-

8 KB (per CU)

L1 Cache

-

512 KB

L2 Cache

4 MB

-

Theoretical Performance

26.56 GPixel/s

Pixel Rate

126.7 GPixel/s

79.68 GTexel/s

Texture Rate

316.8 GTexel/s

-

FP16 (half)

20.28 TFLOPS

2.550 TFLOPS

FP32 (float)

10.14 TFLOPS

637.4 GFLOPS

FP64 (double)

633.6 GFLOPS

Board Design

375W

TDP

225W

750 W

Suggested PSU

550 W

1x DVI 4x mini-DisplayPort 1.2

Outputs

1x HDMI 2.1 3x DisplayPort 1.4a

2x 8-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

Antilles

GPU Name

Navi 10

Antilles XT (215-0807027)

GPU Variant

Navi 10 XTX

TeraScale 3

Architecture

RDNA 1.0

TSMC

Foundry

TSMC

40 nm

Process Size

7 nm

2.64 billion

Transistors

10.3 billion

389 mm²

Die Size

251 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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