AMD Radeon R9 255 OEM vs NVIDIA GeForce GTX 470

VS

AMD Radeon R9 255 OEM

NVIDIA GeForce GTX 470

We compared two Desktop platform GPUs: 2GB VRAM Radeon R9 255 OEM and 1280MB VRAM GeForce GTX 470 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 255 OEM 's Advantages

Released 3 years and 9 months late

Boost Clock930MHz

More VRAM (2GB vs 1280GB)

64 additional rendering cores

Lower TDP (65W vs 215W)

NVIDIA GeForce GTX 470 's Advantages

Larger VRAM bandwidth (133.9GB/s vs 73.60GB/s)

Score

Benchmark

FP32 (float)

Radeon R9 255 OEM

0.952 TFLOPS

GeForce GTX 470 +14%

1.089 TFLOPS

Radeon R9 255 OEM

VS

GeForce GTX 470

Graphics Card

Dec 2013

Release Date

Mar 2010

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

837 MHz

Memory

2GB

Memory Size

1280MB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

320bit

73.60GB/s

Bandwidth

133.9GB/s

Render Config

8

Compute Units

-

SM Count

14

512

Shading Units

448

32

TMUs

56

16

ROPs

40

-

16 KB (per CU)

L1 Cache

64 KB (per SM)

256 KB

L2 Cache

640 KB

-

Theoretical Performance

14.88 GPixel/s

Pixel Rate

17.02 GPixel/s

29.76 GTexel/s

Texture Rate

34.05 GTexel/s

-

952.3 GFLOPS

FP32 (float)

1089 GFLOPS

59.52 GFLOPS

FP64 (double)

136.1 GFLOPS

Board Design

65W

TDP

215W

250 W

Suggested PSU

550 W

No outputs

Outputs

2x DVI 1x mini-HDMI 1.3a

1x 6-pin

Power Connectors

2x 6-pin

Graphics Processor

Cape Verde

GPU Name

GF100

Cape Verde PRX

GPU Variant

GF100-275-A3

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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