NVIDIA GeForce 505 OEM vs ATI Radeon HD 4855

VS

NVIDIA GeForce 505 OEM

ATI Radeon HD 4855

We compared two Desktop platform GPUs: 512MB VRAM GeForce 505 OEM and 512MB VRAM Radeon HD 4855 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce 505 OEM 's Advantages

Released 3 years late

Lower TDP (25W vs 110W)

ATI Radeon HD 4855 's Advantages

Larger VRAM bandwidth (115.2GB/s vs 9.600GB/s)

624 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce 505 OEM

0.045 TFLOPS

Radeon HD 4855 +1535%

0.736 TFLOPS

GeForce 505 OEM

VS

Radeon HD 4855

Graphics Card

Jan 2013

Release Date

Jan 2010

GeForce 500

Generation

Radeon R700

Desktop

Type

Desktop

PCIe 1.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

600 MHz

Memory Clock

900 MHz

Memory

512MB

Memory Size

512MB

DDR3

Memory Type

GDDR5

64bit

Memory Bus

256bit

9.600GB/s

Bandwidth

115.2GB/s

Render Config

-

Compute Units

8

2

SM Count

-

16

Shading Units

640

8

TMUs

32

4

ROPs

16

-

L1 Cache

16 KB (per CU)

32 KB

L2 Cache

256 KB

-

Theoretical Performance

2.356 GPixel/s

Pixel Rate

9.200 GPixel/s

4.712 GTexel/s

Texture Rate

18.40 GTexel/s

-

44.86 GFLOPS

FP32 (float)

736.0 GFLOPS

-

FP64 (double)

147.2 GFLOPS

Board Design

25W

TDP

110W

200 W

Suggested PSU

300 W

1x DVI 1x HDMI 1x VGA

Outputs

1x DVI 1x HDMI 1.3a 1x VGA

None

Power Connectors

1x 6-pin

Graphics Processor

GT218

GPU Name

RV770

GT218-300-B1

GPU Variant

RV770 PRO (215-0669065)

Tesla 2.0

Architecture

TeraScale

TSMC

Foundry

TSMC

40 nm

Process Size

55 nm

0.26 billion

Transistors

0.956 billion

57 mm²

Die Size

256 mm²

Graphics Features

11.1 (10_1)

DirectX

10.1 (10_1)

3.3

OpenGL

3.3

1.1

OpenCL

1.1

N/A

Vulkan

N/A

1.2

CUDA

-

4.1

Shader Model

4.1

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