ATI Radeon HD 5870 vs AMD Radeon RX 6900 XTX

VS

ATI Radeon HD 5870

AMD Radeon RX 6900 XTX

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 5870 and 16GB VRAM Radeon RX 6900 XTX to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 5870 's Advantages

Lower TDP (188W vs 330W)

AMD Radeon RX 6900 XTX 's Advantages

Boost Clock2435MHz

More VRAM (16GB vs 1024GB)

Larger VRAM bandwidth (576.0GB/s vs 153.6GB/s)

3520 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 5870

2.72 TFLOPS

Radeon RX 6900 XTX +816%

24.93 TFLOPS

Radeon HD 5870

VS

Radeon RX 6900 XTX

Graphics Card

Sep 2009

Release Date

Unknown

Evergreen

Generation

Navi II

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

2075 MHz

-

Boost Clock

2435 MHz

1200 MHz

Memory Clock

2250 MHz

Memory

1024MB

Memory Size

16GB

GDDR5

Memory Type

GDDR6

256bit

Memory Bus

256bit

153.6GB/s

Bandwidth

576.0GB/s

Render Config

20

Compute Units

80

-

1600

Shading Units

5120

80

TMUs

320

32

ROPs

128

-

RT Cores

80

8 KB (per CU)

L1 Cache

128 KB per Array

512 KB

L2 Cache

4 MB

-

L3 Cache

128 MB

Theoretical Performance

27.20 GPixel/s

Pixel Rate

311.7 GPixel/s

68.00 GTexel/s

Texture Rate

779.2 GTexel/s

-

FP16 (half)

49.87 TFLOPS

2.720 TFLOPS

FP32 (float)

24.93 TFLOPS

544.0 GFLOPS

FP64 (double)

1.558 TFLOPS

Board Design

188W

TDP

330W

450 W

Suggested PSU

700 W

2x DVI 1x HDMI 1.3a 1x DisplayPort 1.1

Outputs

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

2x 6-pin

Power Connectors

2x 8-pin

Graphics Processor

Cypress

GPU Name

Navi 21

Cypress XT (215-0735033)

GPU Variant

Navi 21 XTXH (215-121000247)

TeraScale 2

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

40 nm

Process Size

7 nm

2.154 billion

Transistors

26.8 billion

334 mm²

Die Size

520 mm²

Graphics Features

11.2 (11_0)

DirectX

12 Ultimate (12_2)

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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