AMD Radeon RX 5700 XT vs AMD Radeon HD 7870 XT

VS

AMD Radeon RX 5700 XT

AMD Radeon HD 7870 XT

We compared two Desktop platform GPUs: 8GB VRAM Radeon RX 5700 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 5700 XT 's Advantages

Released 6 years and 8 months late

Boost Clock has increased by 95% (1905MHz vs 975MHz)

More VRAM (8GB vs 2GB)

Larger VRAM bandwidth (448.0GB/s vs 192.0GB/s)

1024 additional rendering cores

AMD Radeon HD 7870 XT 's Advantages

Lower TDP (185W vs 225W)

Score

Benchmark

FP32 (float)

Radeon RX 5700 XT +225%

9.754 TFLOPS

Radeon HD 7870 XT

2.995 TFLOPS

Radeon RX 5700 XT

VS

Radeon HD 7870 XT

Graphics Card

Jul 2019

Release Date

Nov 2012

Navi

Generation

Southern Islands

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

1605 MHz

Base Clock

925 MHz

1905 MHz

Boost Clock

975 MHz

1750 MHz

Memory Clock

1500 MHz

Memory

8GB

Memory Size

2GB

GDDR6

Memory Type

GDDR5

256bit

Memory Bus

256bit

448.0GB/s

Bandwidth

192.0GB/s

Render Config

40

Compute Units

24

-

2560

Shading Units

1536

160

TMUs

96

64

ROPs

32

-

L1 Cache

16 KB (per CU)

4 MB

L2 Cache

512 KB

-

Theoretical Performance

121.9 GPixel/s

Pixel Rate

31.20 GPixel/s

304.8 GTexel/s

Texture Rate

93.60 GTexel/s

19.51 TFLOPS

FP16 (half)

-

9.754 TFLOPS

FP32 (float)

2.995 TFLOPS

609.6 GFLOPS

FP64 (double)

748.8 GFLOPS

Board Design

225W

TDP

185W

550 W

Suggested PSU

450 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

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

1x 6-pin + 1x 8-pin

Power Connectors

2x 6-pin

Graphics Processor

Navi 10

GPU Name

Tahiti

Navi 10 XT (215-0917210)

GPU Variant

Tahiti LE (215-0821122)

RDNA 1.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

7 nm

Process Size

28 nm

10.3 billion

Transistors

4.313 billion

251 mm²

Die Size

352 mm²

Graphics Features

12 (12_1)

DirectX

12 (11_1)

4.6

OpenGL

4.6

2.1

OpenCL

1.2

1.3

Vulkan

1.2

-

6.5

Shader Model

5.1

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