AMD Radeon RX 6900 XT vs ATI Radeon HD 5670 640SP Edition

VS

AMD Radeon RX 6900 XT

ATI Radeon HD 5670 640SP Edition

We compared two Desktop platform GPUs: 16GB VRAM Radeon RX 6900 XT and 512MB VRAM Radeon HD 5670 640SP Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6900 XT 's Advantages

Released 10 years and 3 months late

Boost Clock2250MHz

More VRAM (16GB vs 512GB)

Larger VRAM bandwidth (512.0GB/s vs 64.00GB/s)

4480 additional rendering cores

ATI Radeon HD 5670 640SP Edition 's Advantages

Lower TDP (64W vs 300W)

Score

Benchmark

FP32 (float)

Radeon RX 6900 XT +2300%

23.04 TFLOPS

Radeon HD 5670 640SP Edition

0.96 TFLOPS

Radeon RX 6900 XT

VS

Radeon HD 5670 640SP Edition

Graphics Card

Oct 2020

Release Date

Jul 2010

Navi II

Generation

Evergreen

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

1825 MHz

Base Clock

-

2250 MHz

Boost Clock

-

2000 MHz

Memory Clock

1000 MHz

Memory

16GB

Memory Size

512MB

GDDR6

Memory Type

GDDR5

256bit

Memory Bus

128bit

512.0GB/s

Bandwidth

64.00GB/s

Render Config

80

Compute Units

8

-

5120

Shading Units

640

320

TMUs

32

128

ROPs

8

-

80

RT Cores

-

128 KB per Array

L1 Cache

8 KB (per CU)

4 MB

L2 Cache

256 KB

128 MB

L3 Cache

-

Theoretical Performance

288.0 GPixel/s

Pixel Rate

6.000 GPixel/s

720.0 GTexel/s

Texture Rate

24.00 GTexel/s

46.08 TFLOPS

FP16 (half)

-

23.04 TFLOPS

FP32 (float)

960.0 GFLOPS

1440 GFLOPS

FP64 (double)

-

Board Design

300W

TDP

64W

700 W

Suggested PSU

250 W

1x HDMI 2.1 2x DisplayPort 1.4a 1x USB Type-C

Outputs

1x DVI 1x HDMI 1.3a 1x DisplayPort 1.1

2x 8-pin

Power Connectors

None

Graphics Processor

Navi 21

GPU Name

Juniper

Navi 21 XTX (215-121000167)

GPU Variant

Juniper CE

RDNA 2.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

7 nm

Process Size

40 nm

26.8 billion

Transistors

1.04 billion

520 mm²

Die Size

166 mm²

Graphics Features

12 Ultimate (12_2)

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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