AMD Radeon RX 5700 XT vs AMD Radeon R9 255 OEM

VS

AMD Radeon RX 5700 XT

AMD Radeon R9 255 OEM

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

Released 5 years and 7 months late

Boost Clock has increased by 105% (1905MHz vs 930MHz)

More VRAM (8GB vs 2GB)

Larger VRAM bandwidth (448.0GB/s vs 73.60GB/s)

2048 additional rendering cores

AMD Radeon R9 255 OEM 's Advantages

Lower TDP (65W vs 225W)

Score

Benchmark

FP32 (float)

Radeon RX 5700 XT +924%

9.754 TFLOPS

Radeon R9 255 OEM

0.952 TFLOPS

Radeon RX 5700 XT

VS

Radeon R9 255 OEM

Graphics Card

Jul 2019

Release Date

Dec 2013

Navi

Generation

Volcanic Islands

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

1605 MHz

Base Clock

900 MHz

1905 MHz

Boost Clock

930 MHz

1750 MHz

Memory Clock

1150 MHz

Memory

8GB

Memory Size

2GB

GDDR6

Memory Type

GDDR5

256bit

Memory Bus

128bit

448.0GB/s

Bandwidth

73.60GB/s

Render Config

40

Compute Units

8

-

2560

Shading Units

512

160

TMUs

32

64

ROPs

16

-

L1 Cache

16 KB (per CU)

4 MB

L2 Cache

256 KB

-

Theoretical Performance

121.9 GPixel/s

Pixel Rate

14.88 GPixel/s

304.8 GTexel/s

Texture Rate

29.76 GTexel/s

19.51 TFLOPS

FP16 (half)

-

9.754 TFLOPS

FP32 (float)

952.3 GFLOPS

609.6 GFLOPS

FP64 (double)

59.52 GFLOPS

Board Design

225W

TDP

65W

550 W

Suggested PSU

250 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

No outputs

1x 6-pin + 1x 8-pin

Power Connectors

1x 6-pin

Graphics Processor

Navi 10

GPU Name

Cape Verde

Navi 10 XT (215-0917210)

GPU Variant

Cape Verde PRX

RDNA 1.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

7 nm

Process Size

28 nm

10.3 billion

Transistors

1.5 billion

251 mm²

Die Size

123 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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