NVIDIA GeForce GTX 650 Ti OEM vs ATI Radeon HD 4855

VS

NVIDIA GeForce GTX 650 Ti OEM

ATI Radeon HD 4855

We compared two Desktop platform GPUs: 2GB VRAM GeForce GTX 650 Ti 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 GTX 650 Ti OEM 's Advantages

Released 3 years and 2 months late

More VRAM (2GB vs 512GB)

128 additional rendering cores

ATI Radeon HD 4855 's Advantages

Larger VRAM bandwidth (115.2GB/s vs 86.40GB/s)

Score

Benchmark

FP32 (float)

GeForce GTX 650 Ti OEM +93%

1.425 TFLOPS

Radeon HD 4855

0.736 TFLOPS

GeForce GTX 650 Ti OEM

VS

Radeon HD 4855

Graphics Card

Mar 2013

Release Date

Jan 2010

GeForce 600

Generation

Radeon R700

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1350 MHz

Memory Clock

900 MHz

Memory

2GB

Memory Size

512MB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

256bit

86.40GB/s

Bandwidth

115.2GB/s

Render Config

-

Compute Units

8

-

768

Shading Units

640

64

TMUs

32

16

ROPs

16

-

16 KB (per SMX)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

256 KB

-

Theoretical Performance

14.85 GPixel/s

Pixel Rate

9.200 GPixel/s

59.39 GTexel/s

Texture Rate

18.40 GTexel/s

-

1425 GFLOPS

FP32 (float)

736.0 GFLOPS

59.39 GFLOPS

FP64 (double)

147.2 GFLOPS

Board Design

110W

TDP

110W

300 W

Suggested PSU

300 W

2x DVI 1x mini-HDMI 1.4a

Outputs

1x DVI 1x HDMI 1.3a 1x VGA

1x 6-pin

Power Connectors

1x 6-pin

Graphics Processor

GK106

GPU Name

RV770

-

GPU Variant

RV770 PRO (215-0669065)

Kepler

Architecture

TeraScale

TSMC

Foundry

TSMC

28 nm

Process Size

55 nm

2.54 billion

Transistors

0.956 billion

221 mm²

Die Size

256 mm²

Graphics Features

12 (11_0)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3

3.0

OpenCL

1.1

Vulkan

N/A

3.0

CUDA

-

5.1

Shader Model

4.1

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