NVIDIA GeForce GTX 645 OEM vs ATI Radeon HD 4570 Rebrand

VS

NVIDIA GeForce GTX 645 OEM

ATI Radeon HD 4570 Rebrand

We compared two Desktop platform GPUs: 1024MB VRAM GeForce GTX 645 OEM and 1024MB VRAM Radeon HD 4570 Rebrand to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 645 OEM 's Advantages

Released 3 years and 5 months late

Larger VRAM bandwidth (64.00GB/s vs 12.67GB/s)

456 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GTX 645 OEM +396%

0.949 TFLOPS

Radeon HD 4570 Rebrand

0.191 TFLOPS

GeForce GTX 645 OEM

VS

Radeon HD 4570 Rebrand

Graphics Card

Apr 2013

Release Date

Nov 2009

GeForce 600

Generation

Radeon R700

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1000 MHz

Memory Clock

396 MHz

Memory

1024MB

Memory Size

1024MB

GDDR5

Memory Type

DDR2

128bit

Memory Bus

128bit

64.00GB/s

Bandwidth

12.67GB/s

Render Config

-

Compute Units

3

-

576

Shading Units

120

48

TMUs

8

16

ROPs

4

-

16 KB (per SMX)

L1 Cache

-

256 KB

L2 Cache

128 KB

-

Theoretical Performance

9.888 GPixel/s

Pixel Rate

3.184 GPixel/s

39.55 GTexel/s

Texture Rate

6.368 GTexel/s

-

949.2 GFLOPS

FP32 (float)

191.0 GFLOPS

39.55 GFLOPS

FP64 (double)

-

Board Design

65W

TDP

65W

250 W

Suggested PSU

250 W

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

Outputs

2x DVI 1x S-Video

None

Power Connectors

-

Graphics Processor

GK106

GPU Name

RV635

GK106-200-A1

GPU Variant

RV635 PRO (215-0682008)

Kepler

Architecture

TeraScale

TSMC

Foundry

TSMC

28 nm

Process Size

55 nm

2.54 billion

Transistors

0.378 billion

221 mm²

Die Size

135 mm²

Graphics Features

12 (11_0)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3

3.0

OpenCL

N/A

1.1

Vulkan

N/A

3.0

CUDA

-

5.1

Shader Model

4.1

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