AMD Radeon RX 6800 XT vs AMD Radeon HD 8470 OEM

VS

AMD Radeon RX 6800 XT

AMD Radeon HD 8470 OEM

We compared two Desktop platform GPUs: 16GB VRAM Radeon RX 6800 XT and 1024MB VRAM Radeon HD 8470 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6800 XT 's Advantages

Released 7 years and 9 months late

Boost Clock2250MHz

More VRAM (16GB vs 1024GB)

Larger VRAM bandwidth (512.0GB/s vs 25.60GB/s)

4448 additional rendering cores

AMD Radeon HD 8470 OEM 's Advantages

Lower TDP (35W vs 300W)

Score

Benchmark

FP32 (float)

Radeon RX 6800 XT +8262%

20.74 TFLOPS

Radeon HD 8470 OEM

0.248 TFLOPS

Radeon RX 6800 XT

VS

Radeon HD 8470 OEM

Graphics Card

Oct 2020

Release Date

Jan 2013

Navi II

Generation

Sea Islands

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

800 MHz

Memory

16GB

Memory Size

1024MB

GDDR6

Memory Type

GDDR5

256bit

Memory Bus

64bit

512.0GB/s

Bandwidth

25.60GB/s

Render Config

72

Compute Units

2

-

4608

Shading Units

160

288

TMUs

8

128

ROPs

4

-

72

RT Cores

-

128 KB per Array

L1 Cache

8 KB (per CU)

4 MB

L2 Cache

128 KB

128 MB

L3 Cache

-

Theoretical Performance

288.0 GPixel/s

Pixel Rate

3.100 GPixel/s

648.0 GTexel/s

Texture Rate

6.200 GTexel/s

41.47 TFLOPS

FP16 (half)

-

20.74 TFLOPS

FP32 (float)

248.0 GFLOPS

1296 GFLOPS

FP64 (double)

-

Board Design

300W

TDP

35W

700 W

Suggested PSU

200 W

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

Outputs

1x DVI 1x HDMI 1.3a

2x 8-pin

Power Connectors

None

Graphics Processor

Navi 21

GPU Name

Caicos

Navi 21 XT (215-121000177)

GPU Variant

Caicos XT (215-0804070)

RDNA 2.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

7 nm

Process Size

40 nm

26.8 billion

Transistors

0.37 billion

520 mm²

Die Size

67 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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