AMD Radeon RX 7900 XT vs AMD Radeon R9 255 OEM

VS

AMD Radeon RX 7900 XT

AMD Radeon R9 255 OEM

We compared two Desktop platform GPUs: 20GB VRAM Radeon RX 7900 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 7900 XT 's Advantages

Released 8 years and 11 months late

Boost Clock has increased by 157% (2394MHz vs 930MHz)

More VRAM (20GB vs 2GB)

Larger VRAM bandwidth (800.0GB/s vs 73.60GB/s)

4864 additional rendering cores

AMD Radeon R9 255 OEM 's Advantages

Lower TDP (65W vs 300W)

Score

Benchmark

FP32 (float)

Radeon RX 7900 XT +5307%

51.48 TFLOPS

Radeon R9 255 OEM

0.952 TFLOPS

Radeon RX 7900 XT

VS

Radeon R9 255 OEM

Graphics Card

Nov 2022

Release Date

Dec 2013

Navi III

Generation

Volcanic Islands

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

1387 MHz

Base Clock

900 MHz

2394 MHz

Boost Clock

930 MHz

2500 MHz

Memory Clock

1150 MHz

Memory

20GB

Memory Size

2GB

GDDR6

Memory Type

GDDR5

320bit

Memory Bus

128bit

800.0GB/s

Bandwidth

73.60GB/s

Render Config

84

Compute Units

8

-

5376

Shading Units

512

336

TMUs

32

192

ROPs

16

-

84

RT Cores

-

256 KB per Array

L1 Cache

16 KB (per CU)

6 MB

L2 Cache

256 KB

80 MB

L3 Cache

-

Theoretical Performance

459.6 GPixel/s

Pixel Rate

14.88 GPixel/s

804.4 GTexel/s

Texture Rate

29.76 GTexel/s

103.0 TFLOPS

FP16 (half)

-

51.48 TFLOPS

FP32 (float)

952.3 GFLOPS

1.609 TFLOPS

FP64 (double)

59.52 GFLOPS

Board Design

300W

TDP

65W

700 W

Suggested PSU

250 W

1x HDMI 2.1a 2x DisplayPort 2.1 1x USB Type-C

Outputs

No outputs

2x 8-pin

Power Connectors

1x 6-pin

Graphics Processor

Navi 31

GPU Name

Cape Verde

Navi 31 XT (215-145000156)

GPU Variant

Cape Verde PRX

RDNA 3.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

5 nm

Process Size

28 nm

57.7 billion

Transistors

1.5 billion

529 mm²

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

-

6.7

Shader Model

5.1

Related GPU Comparisons

1

AMD Radeon RX 7900 XT vs NVIDIA GeForce GTX 490

2

AMD Radeon RX 7900 XT vs ATI Radeon X1650 AGP

3

AMD Radeon RX 7900 XT vs ATI Radeon HD 4890

4

AMD Radeon RX 7900 XT vs AMD Radeon HD 8950 OEM

5

AMD Radeon RX 7900 XT vs ATI Radeon HD 5830

6

AMD Radeon RX 7900 XT vs AMD Radeon RX 6600 LE

7

AMD Radeon RX 7900 XT vs Intel Arc A770

8

AMD Radeon RX 7900 XT vs AMD Radeon HD 8550 OEM

9

AMD Radeon RX 7900 XT vs AMD Radeon R5 330 OEM

10

AMD Radeon RX 7900 XT vs ATI Radeon HD 5850

Related News

1

The Commencement of ARM and Qualcomm Licensing Dispute Trial: Potential Major Impact on PC Market

2

NVIDIA Allegedly Equips RTX 5080 with 30Gbps Memory Speed, Other Models to Feature 28Gbps

3

Intel Reports High Return Rates for Devices Featuring Snapdragon X Series; Qualcomm Counters with 'Industry Standard' Claim

4

Intel Confirms Panther Lake Adopts 18A Process, ES0 Samples Already Sent to Customers

5

Complete Lineup of Core Ultra 200HX/H/U and Core 200H/U Revealed: 31 Models to Dazzle the Eyes

6

Amechi Unveils V1 Mini PC: Only 0.33L Volume with 150W Power Consumption

7

iPhone 17 Series Set for Major Design Overhaul: Camera Module Transformed into Sleek Strip

8

The Thinnest iPhone Ever! iPhone 17 Air Reportedly Enters Foxconn's NPI Stage

9

Apple Allegedly Cancels M4 Extreme, Originally Planned for Mac Pro with 64-Core CPU and 160-Core GPU

10

Cyberpunk 2077 Update 2.2: Intel Arrow Lake Gaming Performance Soars by 33%!