NVIDIA GeForce GTX 470 X2 vs NVIDIA GeForce GTX 645 OEM

VS

NVIDIA GeForce GTX 470 X2

NVIDIA GeForce GTX 645 OEM

We compared two Desktop platform GPUs: 1024MB VRAM GeForce GTX 470 X2 and 1024MB VRAM GeForce GTX 645 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 470 X2 's Advantages

Larger VRAM bandwidth (107.1GB/s vs 64.00GB/s)

NVIDIA GeForce GTX 645 OEM 's Advantages

224 additional rendering cores

Lower TDP (65W vs 215W)

Score

Benchmark

FP32 (float)

GeForce GTX 470 X2

0.855 TFLOPS

GeForce GTX 645 OEM +10%

0.949 TFLOPS

GeForce GTX 470 X2

VS

GeForce GTX 645 OEM

Graphics Card

Unknown

Release Date

Apr 2013

GeForce 400

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

837 MHz

Memory Clock

1000 MHz

Memory

1024MB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

128bit

107.1GB/s

Bandwidth

64.00GB/s

Render Config

-

11

SM Count

-

352

Shading Units

576

44

TMUs

48

32

ROPs

16

-

64 KB (per SM)

L1 Cache

16 KB (per SMX)

512 KB

L2 Cache

256 KB

-

Theoretical Performance

13.38 GPixel/s

Pixel Rate

9.888 GPixel/s

26.75 GTexel/s

Texture Rate

39.55 GTexel/s

-

855.4 GFLOPS

FP32 (float)

949.2 GFLOPS

-

FP64 (double)

39.55 GFLOPS

Board Design

215W

TDP

65W

550 W

Suggested PSU

250 W

3x DVI

Outputs

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

2x 8-pin

Power Connectors

None

Graphics Processor

GF100

GPU Name

GK106

GF100-030-A3

GPU Variant

GK106-200-A1

Fermi

Architecture

Kepler

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

3.1 billion

Transistors

2.54 billion

529 mm²

Die Size

221 mm²

Graphics Features

12 (11_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

1.1

OpenCL

3.0

N/A

Vulkan

1.1

2.0

CUDA

3.0

5.1

Shader Model

5.1

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