AMD Radeon RX 9070 XT vs AMD Radeon HD 7870 XT

VS

AMD Radeon RX 9070 XT

AMD Radeon HD 7870 XT

We compared two Desktop platform GPUs: 16GB VRAM Radeon RX 9070 XT and 2GB VRAM Radeon HD 7870 XT 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 Clock has increased by 177% (2700MHz vs 975MHz)

More VRAM (16GB vs 2GB)

Larger VRAM bandwidth (624.1GB/s vs 192.0GB/s)

2560 additional rendering cores

AMD Radeon HD 7870 XT 's Advantages

Lower TDP (185W vs 260W)

Score

Benchmark

FP32 (float)

Radeon RX 9070 XT +638%

22.12 TFLOPS

Radeon HD 7870 XT

2.995 TFLOPS

Radeon RX 9070 XT

VS

Radeon HD 7870 XT

Graphics Card

Unknown

Release Date

Nov 2012

Navi IV(RX 9000)

Generation

Southern Islands

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

2210 MHz

Base Clock

925 MHz

2700 MHz

Boost Clock

975 MHz

2438 MHz

Memory Clock

1500 MHz

Memory

16GB

Memory Size

2GB

GDDR6

Memory Type

GDDR5

256bit

Memory Bus

256bit

624.1GB/s

Bandwidth

192.0GB/s

Render Config

64

Compute Units

24

-

4096

Shading Units

1536

256

TMUs

96

ROPs

32

-

64

RT Cores

-

128 KB per Array

L1 Cache

16 KB (per CU)

4 MB

L2 Cache

512 KB

64 MB

L3 Cache

-

Theoretical Performance

259.2 GPixel/s

Pixel Rate

31.20 GPixel/s

691.2 GTexel/s

Texture Rate

93.60 GTexel/s

44.24 TFLOPS

FP16 (half)

-

22.12 TFLOPS

FP32 (float)

2.995 TFLOPS

691.2 GFLOPS

FP64 (double)

748.8 GFLOPS

Board Design

260W

TDP

185W

600 W

Suggested PSU

450 W

1x HDMI 2.1a3x DisplayPort 2.1

Outputs

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

2x 8-pin

Power Connectors

2x 6-pin

Graphics Processor

Navi 48

GPU Name

Tahiti

Navi 48 XT

GPU Variant

Tahiti LE (215-0821122)

RDNA 4.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

4 nm

Process Size

28 nm

Unknown

Transistors

4.313 billion

Unknown

Die Size

352 mm²

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

-

6.8

Shader Model

5.1

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