AMD Radeon RX 5700 vs AMD Radeon HD 6990

VS

AMD Radeon RX 5700

AMD Radeon HD 6990

We compared two Desktop platform GPUs: 8GB VRAM Radeon RX 5700 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 5700 's Advantages

Released 8 years and 4 months late

Boost Clock1725MHz

More VRAM (8GB vs 2GB)

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

768 additional rendering cores

Lower TDP (180W vs 375W)

Score

Benchmark

FP32 (float)

Radeon RX 5700 +211%

7.949 TFLOPS

Radeon HD 6990

2.55 TFLOPS

Radeon RX 5700

VS

Radeon HD 6990

Graphics Card

Jul 2019

Release Date

Mar 2011

Navi

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

1465 MHz

Base Clock

-

1725 MHz

Boost Clock

-

1750 MHz

Memory Clock

1250 MHz

Memory

8GB

Memory Size

2GB

GDDR6

Memory Type

GDDR5

256bit

Memory Bus

256bit

448.0GB/s

Bandwidth

160.0GB/s

Render Config

36

Compute Units

24

-

2304

Shading Units

1536

144

TMUs

96

64

ROPs

32

-

L1 Cache

8 KB (per CU)

4 MB

L2 Cache

512 KB

-

Theoretical Performance

110.4 GPixel/s

Pixel Rate

26.56 GPixel/s

248.4 GTexel/s

Texture Rate

79.68 GTexel/s

15.90 TFLOPS

FP16 (half)

-

7.949 TFLOPS

FP32 (float)

2.550 TFLOPS

496.8 GFLOPS

FP64 (double)

637.4 GFLOPS

Board Design

180W

TDP

375W

450 W

Suggested PSU

750 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

1x DVI 4x mini-DisplayPort 1.2

1x 6-pin + 1x 8-pin

Power Connectors

2x 8-pin

Graphics Processor

Navi 10

GPU Name

Antilles

Navi 10 XL (215-0917220)

GPU Variant

Antilles XT (215-0807027)

RDNA 1.0

Architecture

TeraScale 3

TSMC

Foundry

TSMC

7 nm

Process Size

40 nm

10.3 billion

Transistors

2.64 billion

251 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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