AMD Radeon R9 255 OEM vs NVIDIA GeForce GTX 480 Core 512

VS

AMD Radeon R9 255 OEM

NVIDIA GeForce GTX 480 Core 512

We compared two Desktop platform GPUs: 2GB VRAM Radeon R9 255 OEM and 1536MB VRAM GeForce GTX 480 Core 512 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 255 OEM 's Advantages

Boost Clock930MHz

More VRAM (2GB vs 1536GB)

Lower TDP (65W vs 375W)

NVIDIA GeForce GTX 480 Core 512 's Advantages

Larger VRAM bandwidth (134.4GB/s vs 73.60GB/s)

Score

Benchmark

FP32 (float)

Radeon R9 255 OEM

0.952 TFLOPS

GeForce GTX 480 Core 512 +13%

1.078 TFLOPS

Radeon R9 255 OEM

VS

GeForce GTX 480 Core 512

Graphics Card

Dec 2013

Release Date

Unknown

Volcanic Islands

Generation

GeForce 400

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

900 MHz

Base Clock

-

930 MHz

Boost Clock

-

1150 MHz

Memory Clock

700 MHz

Memory

2GB

Memory Size

1536MB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

384bit

73.60GB/s

Bandwidth

134.4GB/s

Render Config

8

Compute Units

-

SM Count

16

512

Shading Units

512

32

TMUs

64

16

ROPs

48

-

16 KB (per CU)

L1 Cache

64 KB (per SM)

256 KB

L2 Cache

768 KB

-

Theoretical Performance

14.88 GPixel/s

Pixel Rate

16.86 GPixel/s

29.76 GTexel/s

Texture Rate

33.73 GTexel/s

-

952.3 GFLOPS

FP32 (float)

1078 GFLOPS

59.52 GFLOPS

FP64 (double)

-

Board Design

65W

TDP

375W

250 W

Suggested PSU

750 W

No outputs

Outputs

2x DVI 1x mini-HDMI 1.3a

1x 6-pin

Power Connectors

2x 8-pin

Graphics Processor

Cape Verde

GPU Name

GF100

Cape Verde PRX

GPU Variant

GF100-ES-DT1-A2

GCN 1.0

Architecture

Fermi

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

1.5 billion

Transistors

3.1 billion

123 mm²

Die Size

529 mm²

Graphics Features

12 (11_1)

DirectX

12 (11_0)

4.6

OpenGL

4.6

1.2

OpenCL

1.1

1.2

Vulkan

N/A

-

CUDA

2.0

5.1

Shader Model

5.1

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