AMD Radeon RX 6500 XT vs AMD Radeon HD 8870 OEM

VS

AMD Radeon RX 6500 XT AMD Radeon HD 8870 OEM

We compared two Desktop platform GPUs: 4GB VRAM Radeon RX 6500 XT and 2GB VRAM Radeon HD 8870 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6500 XT 's Advantages

Released 9 years late

Boost Clock2815MHz

More VRAM (4GB vs 2GB)

Lower TDP (107W vs 175W)

AMD Radeon HD 8870 OEM 's Advantages

Larger VRAM bandwidth (153.6GB/s vs 143.9GB/s)

256 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon RX 6500 XT +125%

5.765 TFLOPS

Radeon HD 8870 OEM

2.56 TFLOPS

Radeon RX 6500 XT

VS

Radeon HD 8870 OEM

Graphics Card

Jan 2022

Release Date

Jan 2013

Navi II

Generation

Sea Islands

Desktop

Type

Desktop

PCIe 4.0 x4

Bus Interface

PCIe 3.0 x16

Clock Speeds

2310 MHz

Base Clock

-

2815 MHz

Boost Clock

-

2248 MHz

Memory Clock

1200 MHz

Memory

4GB

Memory Size

2GB

GDDR6

Memory Type

GDDR5

64bit

Memory Bus

256bit

143.9GB/s

Bandwidth

153.6GB/s

Render Config

-

SM Count

-

16

Compute Units

20

1024

Shading Units

1280

64

TMUs

80

32

ROPs

32

-

Tensor Cores

-

16

RT Cores

-

128 KB per Array

L1 Cache

16 KB (per CU)

1024 KB

L2 Cache

512 KB

Theoretical Performance

90.08 GPixel/s

Pixel Rate

32.00 GPixel/s

180.2 GTexel/s

Texture Rate

80.00 GTexel/s

11.53 TFLOPS

FP16 (half)

-

5.765 TFLOPS

FP32 (float)

2.560 TFLOPS

360.3 GFLOPS

FP64 (double)

160.0 GFLOPS

Graphics Processor

Navi 24

GPU Name

Pitcairn

Navi 24 XT (215-135000006)

GPU Variant

Pitcairn XT (215-0828047)

RDNA 2.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

6 nm

Process Size

28 nm

5.4 billion

Transistors

2.8 billion

107 mm²

Die Size

212 mm²

Board Design

107W

TDP

175W

300 W

Suggested PSU

450 W

1x HDMI 2.1 1x DisplayPort 1.4a

Outputs

1x DVI 1x HDMI 1.4a 2x mini-DisplayPort 1.2

1x 6-pin

Power Connectors

2x 6-pin

Graphics Features

12 Ultimate (12_2)

DirectX

12 (11_1)

4.6

OpenGL

4.6

2.2

OpenCL

1.2

1.3

Vulkan

1.2

-

CUDA

-

6.6

Shader Model

5.1

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