NVIDIA GeForce GTX 555 OEM vs ATI Radeon HD 4850 X2

VS

NVIDIA GeForce GTX 555 OEM

ATI Radeon HD 4850 X2

We compared two Desktop platform GPUs: 1024MB VRAM GeForce GTX 555 OEM and 512MB VRAM Radeon HD 4850 X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 555 OEM 's Advantages

Released 2 years and 6 months late

More VRAM (1024GB vs 512GB)

Larger VRAM bandwidth (91.87GB/s vs 63.68GB/s)

Lower TDP (150W vs 250W)

ATI Radeon HD 4850 X2 's Advantages

512 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GTX 555 OEM

0.848 TFLOPS

Radeon HD 4850 X2 +17%

1 TFLOPS

GeForce GTX 555 OEM

VS

Radeon HD 4850 X2

Graphics Card

May 2011

Release Date

Nov 2008

GeForce 500

Generation

Radeon R700

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

957 MHz

Memory Clock

995 MHz

Memory

1024MB

Memory Size

512MB

GDDR5

Memory Type

GDDR3

192bit

Memory Bus

256bit

91.87GB/s

Bandwidth

63.68GB/s

Render Config

-

Compute Units

10

6

SM Count

-

288

Shading Units

800

48

TMUs

40

24

ROPs

16

-

64 KB (per SM)

L1 Cache

16 KB (per CU)

384 KB

L2 Cache

256 KB

-

Theoretical Performance

8.832 GPixel/s

Pixel Rate

10.00 GPixel/s

35.33 GTexel/s

Texture Rate

25.00 GTexel/s

-

847.9 GFLOPS

FP32 (float)

1000 GFLOPS

70.66 GFLOPS

FP64 (double)

200.0 GFLOPS

Board Design

150W

TDP

250W

450 W

Suggested PSU

600 W

2x DVI 1x mini-HDMI 1.3a

Outputs

4x DVI 1x S-Video

2x 6-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

GF114

GPU Name

R700

GF114-200-KB-A1

GPU Variant

R700 PRO (215-0669065)

Fermi 2.0

Architecture

TeraScale

TSMC

Foundry

TSMC

40 nm

Process Size

55 nm

1.95 billion

Transistors

0.956 billion

332 mm²

Die Size

256 mm²

Graphics Features

12 (11_0)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3

1.1

OpenCL

1.1

N/A

Vulkan

N/A

2.1

CUDA

-

5.1

Shader Model

4.1

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