NVIDIA GeForce GTX 645 OEM vs NVIDIA GeForce GTX 285

VS

NVIDIA GeForce GTX 645 OEM

NVIDIA GeForce GTX 285

We compared two Desktop platform GPUs: 1024MB VRAM GeForce GTX 645 OEM and 1024MB VRAM GeForce GTX 285 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 4 years and 4 months late

336 additional rendering cores

Lower TDP (65W vs 204W)

NVIDIA GeForce GTX 285 's Advantages

Larger VRAM bandwidth (159.0GB/s vs 64.00GB/s)

Score

Benchmark

FP32 (float)

GeForce GTX 645 OEM +34%

0.949 TFLOPS

GeForce GTX 285

0.708 TFLOPS

GeForce GTX 645 OEM

VS

GeForce GTX 285

Graphics Card

Apr 2013

Release Date

Dec 2008

GeForce 600

Generation

GeForce 200

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1000 MHz

Memory Clock

1242 MHz

Memory

1024MB

Memory Size

1024MB

GDDR5

Memory Type

GDDR3

128bit

Memory Bus

512bit

64.00GB/s

Bandwidth

159.0GB/s

Render Config

-

SM Count

30

576

Shading Units

240

48

TMUs

80

16

ROPs

32

-

16 KB (per SMX)

L1 Cache

-

256 KB

L2 Cache

256 KB

-

Theoretical Performance

9.888 GPixel/s

Pixel Rate

20.74 GPixel/s

39.55 GTexel/s

Texture Rate

51.84 GTexel/s

-

949.2 GFLOPS

FP32 (float)

708.5 GFLOPS

39.55 GFLOPS

FP64 (double)

88.56 GFLOPS

Board Design

65W

TDP

204W

250 W

Suggested PSU

550 W

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

Outputs

2x DVI 1x S-Video

None

Power Connectors

2x 6-pin

Graphics Processor

GK106

GPU Name

GT200B

GK106-200-A1

GPU Variant

G200-350-B3

Kepler

Architecture

Tesla 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

55 nm

2.54 billion

Transistors

1.4 billion

221 mm²

Die Size

470 mm²

Graphics Features

12 (11_0)

DirectX

11.1 (10_0)

4.6

OpenGL

3.3

3.0

OpenCL

1.1

Vulkan

N/A

3.0

CUDA

1.3

5.1

Shader Model

4.0

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