NVIDIA GeForce GT 640 OEM Rebrand vs ATI Radeon HD 4570 Rebrand

VS

NVIDIA GeForce GT 640 OEM Rebrand

ATI Radeon HD 4570 Rebrand

We compared two Desktop platform GPUs: 1536MB VRAM GeForce GT 640 OEM Rebrand 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 GT 640 OEM Rebrand 's Advantages

Released 2 years and 5 months late

More VRAM (1536GB vs 1024GB)

Larger VRAM bandwidth (38.40GB/s vs 12.67GB/s)

24 additional rendering cores

ATI Radeon HD 4570 Rebrand 's Advantages

Lower TDP (65W vs 75W)

Score

Benchmark

FP32 (float)

GeForce GT 640 OEM Rebrand +117%

0.415 TFLOPS

Radeon HD 4570 Rebrand

0.191 TFLOPS

GeForce GT 640 OEM Rebrand

VS

Radeon HD 4570 Rebrand

Graphics Card

Apr 2012

Release Date

Nov 2009

GeForce 600

Generation

Radeon R700

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

800 MHz

Memory Clock

396 MHz

Memory

1536MB

Memory Size

1024MB

DDR3

Memory Type

DDR2

192bit

Memory Bus

128bit

38.40GB/s

Bandwidth

12.67GB/s

Render Config

-

Compute Units

3

SM Count

-

144

Shading Units

120

24

TMUs

8

24

ROPs

4

-

64 KB (per SM)

L1 Cache

-

384 KB

L2 Cache

128 KB

-

Theoretical Performance

4.320 GPixel/s

Pixel Rate

3.184 GPixel/s

17.28 GTexel/s

Texture Rate

6.368 GTexel/s

-

414.7 GFLOPS

FP32 (float)

191.0 GFLOPS

34.56 GFLOPS

FP64 (double)

-

Board Design

75W

TDP

65W

250 W

Suggested PSU

250 W

2x DVI 1x mini-HDMI 1.3a

Outputs

2x DVI 1x S-Video

None

Power Connectors

-

Graphics Processor

GF116

GPU Name

RV635

GF116-150-A1

GPU Variant

RV635 PRO (215-0682008)

Fermi 2.0

Architecture

TeraScale

TSMC

Foundry

TSMC

40 nm

Process Size

55 nm

1.17 billion

Transistors

0.378 billion

238 mm²

Die Size

135 mm²

Graphics Features

12 (11_0)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3

1.1

OpenCL

N/A

Vulkan

N/A

2.1

CUDA

-

5.1

Shader Model

4.1

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