AMD Radeon RX 9070 XT vs AMD Radeon HD 6870

VS

AMD Radeon RX 9070 XT

AMD Radeon HD 6870

We compared two Desktop platform GPUs: 16GB VRAM Radeon RX 9070 XT and 1024MB VRAM Radeon HD 6870 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 9070 XT 's Advantages

Boost Clock2700MHz

More VRAM (16GB vs 1024GB)

Larger VRAM bandwidth (624.1GB/s vs 134.4GB/s)

2976 additional rendering cores

AMD Radeon HD 6870 's Advantages

Lower TDP (151W vs 260W)

Score

Benchmark

FP32 (float)

Radeon RX 9070 XT +997%

22.12 TFLOPS

Radeon HD 6870

2.016 TFLOPS

Radeon RX 9070 XT

VS

Radeon HD 6870

Graphics Card

Unknown

Release Date

Oct 2010

Navi IV(RX 9000)

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

2210 MHz

Base Clock

-

2700 MHz

Boost Clock

-

2438 MHz

Memory Clock

1050 MHz

Memory

16GB

Memory Size

1024MB

GDDR6

Memory Type

GDDR5

256bit

Memory Bus

256bit

624.1GB/s

Bandwidth

134.4GB/s

Render Config

64

Compute Units

14

-

4096

Shading Units

1120

256

TMUs

56

96

ROPs

32

-

64

RT Cores

-

128 KB per Array

L1 Cache

8 KB (per CU)

4 MB

L2 Cache

512 KB

64 MB

L3 Cache

-

Theoretical Performance

259.2 GPixel/s

Pixel Rate

28.80 GPixel/s

691.2 GTexel/s

Texture Rate

50.40 GTexel/s

44.24 TFLOPS

FP16 (half)

-

22.12 TFLOPS

FP32 (float)

2.016 TFLOPS

691.2 GFLOPS

FP64 (double)

-

Board Design

260W

TDP

151W

600 W

Suggested PSU

450 W

1x HDMI 2.1a3x DisplayPort 2.1

Outputs

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

2x 8-pin

Power Connectors

2x 6-pin

Graphics Processor

Navi 48

GPU Name

Barts

Navi 48 XT

GPU Variant

Barts XT (215-0798000)

RDNA 4.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

4 nm

Process Size

40 nm

Unknown

Transistors

1.7 billion

Unknown

Die Size

255 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

2.2

OpenCL

1.2

1.3

Vulkan

N/A

-

6.8

Shader Model

5.0

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