AMD Radeon HD 6870 1600SP Edition vs AMD Radeon RX 6300

VS

AMD Radeon HD 6870 1600SP Edition

AMD Radeon RX 6300

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6870 1600SP Edition and 2GB VRAM Radeon RX 6300 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6870 1600SP Edition 's Advantages

Larger VRAM bandwidth (134.4GB/s vs 64.00GB/s)

832 additional rendering cores

AMD Radeon RX 6300 's Advantages

Boost Clock2040MHz

More VRAM (2GB vs 1024GB)

Lower TDP (32W vs 175W)

Score

Benchmark

FP32 (float)

Radeon HD 6870 1600SP Edition

2.72 TFLOPS

Radeon RX 6300 +15%

3.133 TFLOPS

Radeon HD 6870 1600SP Edition

VS

Radeon RX 6300

Graphics Card

Jan 2013

Release Date

Unknown

Northern Islands

Generation

Navi II

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 4.0 x4

Clock Speeds

-

Base Clock

1000 MHz

-

Boost Clock

2040 MHz

1050 MHz

Memory Clock

2000 MHz

Memory

1024MB

Memory Size

2GB

GDDR5

Memory Type

GDDR6

256bit

Memory Bus

32bit

134.4GB/s

Bandwidth

64.00GB/s

Render Config

20

Compute Units

12

-

1600

Shading Units

768

80

TMUs

48

32

ROPs

32

-

RT Cores

12

8 KB (per CU)

L1 Cache

128 KB per Array

512 KB

L2 Cache

1024 KB

-

L3 Cache

8 MB

Theoretical Performance

27.20 GPixel/s

Pixel Rate

65.28 GPixel/s

68.00 GTexel/s

Texture Rate

97.92 GTexel/s

-

FP16 (half)

6.267 TFLOPS

2.720 TFLOPS

FP32 (float)

3.133 TFLOPS

544.0 GFLOPS

FP64 (double)

195.8 GFLOPS

Board Design

175W

TDP

32W

450 W

Suggested PSU

200 W

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

Outputs

2x HDMI 2.1

2x 6-pin

Power Connectors

None

Graphics Processor

Cypress

GPU Name

Navi 24

Cypress XT (215-0735033)

GPU Variant

Navi 24 XL

TeraScale 2

Architecture

RDNA 2.0

TSMC

Foundry

TSMC

40 nm

Process Size

6 nm

2.154 billion

Transistors

5.4 billion

334 mm²

Die Size

107 mm²

Graphics Features

11.2 (11_0)

DirectX

12 Ultimate (12_2)

4.4

OpenGL

4.6

1.2

OpenCL

2.2

N/A

Vulkan

1.3

-

5.0

Shader Model

6.7

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