AMD Radeon HD 8870 OEM vs AMD Radeon RX 9070 XT

VS

AMD Radeon HD 8870 OEM

AMD Radeon RX 9070 XT

We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 8870 OEM and 16GB VRAM Radeon RX 9070 XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 8870 OEM 's Advantages

Lower TDP (175W vs 220W)

AMD Radeon RX 9070 XT 's Advantages

Boost Clock2430MHz

More VRAM (16GB vs 2GB)

Larger VRAM bandwidth (624.1GB/s vs 153.6GB/s)

2816 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 8870 OEM

2.56 TFLOPS

Radeon RX 9070 XT +677%

19.91 TFLOPS

Radeon HD 8870 OEM

VS

Radeon RX 9070 XT

Graphics Card

Jan 2013

Release Date

Unknown

Sea Islands

Generation

Navi IV(RX 9000)

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

1295 MHz

-

Boost Clock

2430 MHz

1200 MHz

Memory Clock

2438 MHz

Memory

2GB

Memory Size

16GB

GDDR5

Memory Type

GDDR6

256bit

Memory Bus

256bit

153.6GB/s

Bandwidth

624.1GB/s

Render Config

20

Compute Units

64

-

1280

Shading Units

4096

80

TMUs

256

32

ROPs

96

-

RT Cores

64

16 KB (per CU)

L1 Cache

128 KB per Array

512 KB

L2 Cache

4 MB

-

L3 Cache

64 MB

Theoretical Performance

32.00 GPixel/s

Pixel Rate

233.3 GPixel/s

80.00 GTexel/s

Texture Rate

622.1 GTexel/s

-

FP16 (half)

39.81 TFLOPS

2.560 TFLOPS

FP32 (float)

19.91 TFLOPS

160.0 GFLOPS

FP64 (double)

622.1 GFLOPS

Board Design

175W

TDP

220W

450 W

Suggested PSU

550 W

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

Outputs

1x HDMI 2.1a3x DisplayPort 2.1

2x 6-pin

Power Connectors

2x 8-pin

Graphics Processor

Pitcairn

GPU Name

Navi 48

Pitcairn XT (215-0828047)

GPU Variant

Navi 48 XT

GCN 1.0

Architecture

RDNA 4.0

TSMC

Foundry

TSMC

28 nm

Process Size

4 nm

2.8 billion

Transistors

Unknown

212 mm²

Die Size

Unknown

Graphics Features

12 (11_1)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

1.2

OpenCL

2.2

1.2

Vulkan

1.3

-

5.1

Shader Model

6.8

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