NVIDIA GeForce RTX 5080 vs AMD Radeon R9 255 OEM

VS

NVIDIA GeForce RTX 5080

AMD Radeon R9 255 OEM

We compared two Desktop platform GPUs: 16GB VRAM GeForce RTX 5080 and 2GB VRAM Radeon R9 255 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 5080 's Advantages

Released 11 years and 1 months late

Boost Clock has increased by 171% (2520MHz vs 930MHz)

More VRAM (16GB vs 2GB)

Larger VRAM bandwidth (973.8GB/s vs 73.60GB/s)

10240 additional rendering cores

AMD Radeon R9 255 OEM 's Advantages

Lower TDP (65W vs 350W)

Score

Benchmark

FP32 (float)

GeForce RTX 5080 +5592%

54.19 TFLOPS

Radeon R9 255 OEM

0.952 TFLOPS

GeForce RTX 5080

VS

Radeon R9 255 OEM

Graphics Card

Jan 2025

Release Date

Dec 2013

GeForce 50

Generation

Volcanic Islands

Desktop

Type

Desktop

PCIe 5.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

2235 MHz

Base Clock

900 MHz

2520 MHz

Boost Clock

930 MHz

2400 MHz

Memory Clock

1150 MHz

Memory

16GB

Memory Size

2GB

GDDR7

Memory Type

GDDR5

256bit

Memory Bus

128bit

973.8GB/s

Bandwidth

73.60GB/s

Render Config

-

Compute Units

8

84

SM Count

-

10752

Shading Units

512

336

TMUs

32

128

ROPs

16

336

Tensor Cores

-

84

RT Cores

-

128 KB (per SM)

L1 Cache

16 KB (per CU)

64 MB

L2 Cache

256 KB

-

Theoretical Performance

322.6 GPixel/s

Pixel Rate

14.88 GPixel/s

846.7 GTexel/s

Texture Rate

29.76 GTexel/s

54.19 TFLOPS

FP16 (half)

-

54.19 TFLOPS

FP32 (float)

952.3 GFLOPS

846.7 GFLOPS

FP64 (double)

59.52 GFLOPS

Board Design

350W

TDP

65W

750 W

Suggested PSU

250 W

1x HDMI 2.1 3x DisplayPort 2.1a

Outputs

No outputs

1x 16-pin

Power Connectors

1x 6-pin

Graphics Processor

GB203

GPU Name

Cape Verde

GB203-400-A1

GPU Variant

Cape Verde PRX

Blackwell 2.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

0

Process Size

28 nm

Unknown

Transistors

1.5 billion

377 mm²

Die Size

123 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 (11_1)

4.6

OpenGL

4.6

3.0

OpenCL

1.2

1.3

Vulkan

1.2

10.1

CUDA

-

6.8

Shader Model

5.1

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