AMD Radeon RX 9070 XT vs AMD Radeon R9 255 OEM

VS

AMD Radeon RX 9070 XT

AMD Radeon R9 255 OEM

We compared two Desktop platform GPUs: 16GB VRAM Radeon RX 9070 XT 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 9070 XT 's Advantages

Boost Clock has increased by 190% (2700MHz vs 930MHz)

More VRAM (16GB vs 2GB)

Larger VRAM bandwidth (624.1GB/s vs 73.60GB/s)

3584 additional rendering cores

AMD Radeon R9 255 OEM 's Advantages

Lower TDP (65W vs 260W)

Score

Benchmark

FP32 (float)

Radeon RX 9070 XT +2223%

22.12 TFLOPS

Radeon R9 255 OEM

0.952 TFLOPS

Radeon RX 9070 XT

VS

Radeon R9 255 OEM

Graphics Card

Unknown

Release Date

Dec 2013

Navi IV(RX 9000)

Generation

Volcanic Islands

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

2210 MHz

Base Clock

900 MHz

2700 MHz

Boost Clock

930 MHz

2438 MHz

Memory Clock

1150 MHz

Memory

16GB

Memory Size

2GB

GDDR6

Memory Type

GDDR5

256bit

Memory Bus

128bit

624.1GB/s

Bandwidth

73.60GB/s

Render Config

64

Compute Units

8

-

4096

Shading Units

512

256

TMUs

32

96

ROPs

16

-

64

RT Cores

-

128 KB per Array

L1 Cache

16 KB (per CU)

4 MB

L2 Cache

256 KB

64 MB

L3 Cache

-

Theoretical Performance

259.2 GPixel/s

Pixel Rate

14.88 GPixel/s

691.2 GTexel/s

Texture Rate

29.76 GTexel/s

44.24 TFLOPS

FP16 (half)

-

22.12 TFLOPS

FP32 (float)

952.3 GFLOPS

691.2 GFLOPS

FP64 (double)

59.52 GFLOPS

Board Design

260W

TDP

65W

600 W

Suggested PSU

250 W

1x HDMI 2.1a3x DisplayPort 2.1

Outputs

No outputs

2x 8-pin

Power Connectors

1x 6-pin

Graphics Processor

Navi 48

GPU Name

Cape Verde

Navi 48 XT

GPU Variant

Cape Verde PRX

RDNA 4.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

4 nm

Process Size

28 nm

Unknown

Transistors

1.5 billion

Unknown

Die Size

123 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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