NVIDIA GeForce GTX 645 OEM vs ATI Radeon X1600 XT Dual

VS

NVIDIA GeForce GTX 645 OEM

ATI Radeon X1600 XT Dual

We compared two Desktop platform GPUs: 1024MB VRAM GeForce GTX 645 OEM and 256MB VRAM Radeon X1600 XT Dual to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 645 OEM 's Advantages

More VRAM (1024GB vs 256GB)

Larger VRAM bandwidth (64.00GB/s vs 22.08GB/s)

576 additional rendering cores

Score

GeForce GTX 645 OEM

VS

Radeon X1600 XT Dual

Graphics Card

Apr 2013

Release Date

Unknown

GeForce 600

Generation

Radeon R500 PCIe

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 1.0 x16

Clock Speeds

-

1000 MHz

Memory Clock

690 MHz

Memory

1024MB

Memory Size

256MB

GDDR5

Memory Type

GDDR3

128bit

Memory Bus

128bit

64.00GB/s

Bandwidth

22.08GB/s

Render Config

-

576

Shading Units

-

48

TMUs

4

16

ROPs

4

-

16 KB (per SMX)

L1 Cache

-

256 KB

L2 Cache

-

Theoretical Performance

9.888 GPixel/s

Pixel Rate

2.360 GPixel/s

39.55 GTexel/s

Texture Rate

2.360 GTexel/s

-

949.2 GFLOPS

FP32 (float)

-

39.55 GFLOPS

FP64 (double)

-

Board Design

65W

TDP

Unknown

250 W

Suggested PSU

200 W

1x DVI 1x HDMI 1.4a 1x DisplayPort 1.2

Outputs

2x DVI

None

Power Connectors

1x Molex

Graphics Processor

GK106

GPU Name

RV530

GK106-200-A1

GPU Variant

-

Kepler

Architecture

Ultra-Threaded SE

TSMC

Foundry

TSMC

28 nm

Process Size

90 nm

2.54 billion

Transistors

0.157 billion

221 mm²

Die Size

150 mm²

Graphics Features

12 (11_0)

DirectX

9.0c (9_3)

4.6

OpenGL

2.1

3.0

OpenCL

N/A

1.1

Vulkan

N/A

3.0

CUDA

-

5.1

Shader Model

3.0

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