AMD Radeon HD 7870 XT vs AMD Radeon RX 6500 XT

VS

AMD Radeon HD 7870 XT

AMD Radeon RX 6500 XT

We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 7870 XT and 4GB VRAM Radeon RX 6500 XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7870 XT 's Advantages

Larger VRAM bandwidth (192.0GB/s vs 143.9GB/s)

512 additional rendering cores

AMD Radeon RX 6500 XT 's Advantages

Released 9 years and 2 months late

Boost Clock has increased by 189% (2815MHz vs 975MHz)

More VRAM (4GB vs 2GB)

Lower TDP (107W vs 185W)

Score

Benchmark

FP32 (float)

Radeon HD 7870 XT

2.995 TFLOPS

Radeon RX 6500 XT +92%

5.765 TFLOPS

Radeon HD 7870 XT

VS

Radeon RX 6500 XT

Graphics Card

Nov 2012

Release Date

Jan 2022

Southern Islands

Generation

Navi II

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x4

Clock Speeds

925 MHz

Base Clock

2310 MHz

975 MHz

Boost Clock

2815 MHz

1500 MHz

Memory Clock

2248 MHz

Memory

2GB

Memory Size

4GB

GDDR5

Memory Type

GDDR6

256bit

Memory Bus

64bit

192.0GB/s

Bandwidth

143.9GB/s

Render Config

24

Compute Units

16

-

1536

Shading Units

1024

96

TMUs

64

32

ROPs

32

-

RT Cores

16

16 KB (per CU)

L1 Cache

128 KB per Array

512 KB

L2 Cache

1024 KB

-

L3 Cache

16 MB

Theoretical Performance

31.20 GPixel/s

Pixel Rate

90.08 GPixel/s

93.60 GTexel/s

Texture Rate

180.2 GTexel/s

-

FP16 (half)

11.53 TFLOPS

2.995 TFLOPS

FP32 (float)

5.765 TFLOPS

748.8 GFLOPS

FP64 (double)

360.3 GFLOPS

Board Design

185W

TDP

107W

450 W

Suggested PSU

300 W

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

Outputs

1x HDMI 2.1 1x DisplayPort 1.4a

2x 6-pin

Power Connectors

1x 6-pin

Graphics Processor

Tahiti

GPU Name

Navi 24

Tahiti LE (215-0821122)

GPU Variant

Navi 24 XT (215-135000006)

GCN 1.0

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

6 nm

4.313 billion

Transistors

5.4 billion

352 mm²

Die Size

107 mm²

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

6.6

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