AMD Radeon RX 6300 vs AMD Radeon R9 255 OEM

VS

AMD Radeon RX 6300 AMD Radeon R9 255 OEM

We compared two Desktop platform GPUs: 2GB VRAM Radeon RX 6300 and 2GB VRAM Radeon R9 255 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 6300 's Advantages

Boost Clock has increased by 119% (2040MHz vs 930MHz)

256 additional rendering cores

Lower TDP (32W vs 65W)

AMD Radeon R9 255 OEM 's Advantages

Larger VRAM bandwidth (73.60GB/s vs 64.00GB/s)

Score

Benchmark

FP32 (float)

Radeon RX 6300 +229%

3.133 TFLOPS

Radeon R9 255 OEM

0.952 TFLOPS

Radeon RX 6300

VS

Radeon R9 255 OEM

Graphics Card

Unknown

Release Date

Dec 2013

Navi II

Generation

Volcanic Islands

Desktop

Type

Desktop

PCIe 4.0 x4

Bus Interface

PCIe 3.0 x16

Clock Speeds

1000 MHz

Base Clock

900 MHz

2040 MHz

Boost Clock

930 MHz

2000 MHz

Memory Clock

1150 MHz

Memory

2GB

Memory Size

2GB

GDDR6

Memory Type

GDDR5

32bit

Memory Bus

128bit

64.00GB/s

Bandwidth

73.60GB/s

Render Config

-

SM Count

-

12

Compute Units

8

768

Shading Units

512

48

TMUs

32

ROPs

16

-

Tensor Cores

-

12

RT Cores

-

128 KB per Array

L1 Cache

16 KB (per CU)

1024 KB

L2 Cache

256 KB

Theoretical Performance

65.28 GPixel/s

Pixel Rate

14.88 GPixel/s

97.92 GTexel/s

Texture Rate

29.76 GTexel/s

6.267 TFLOPS

FP16 (half)

-

3.133 TFLOPS

FP32 (float)

952.3 GFLOPS

195.8 GFLOPS

FP64 (double)

59.52 GFLOPS

Graphics Processor

Navi 24

GPU Name

Cape Verde

Navi 24 XL

GPU Variant

Cape Verde PRX

RDNA 2.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

6 nm

Process Size

28 nm

5.4 billion

Transistors

1.5 billion

107 mm²

Die Size

123 mm²

Board Design

32W

TDP

65W

200 W

Suggested PSU

250 W

2x HDMI 2.1

Outputs

No outputs

None

Power Connectors

1x 6-pin

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

-

CUDA

-

6.7

Shader Model

5.1

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