ATI Radeon HD 3470 vs NVIDIA GeForce GTX 645 OEM

VS

ATI Radeon HD 3470 NVIDIA GeForce GTX 645 OEM

We compared two Desktop platform GPUs: 256MB VRAM Radeon HD 3470 and 1024MB VRAM GeForce GTX 645 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 3470 's Advantages

Lower TDP (30W vs 65W)

NVIDIA GeForce GTX 645 OEM 's Advantages

Released 5 years and 3 months late

More VRAM (1024GB vs 256GB)

Larger VRAM bandwidth (64.00GB/s vs 15.20GB/s)

536 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 3470

0.064 TFLOPS

GeForce GTX 645 OEM +1382%

0.949 TFLOPS

Radeon HD 3470

VS

GeForce GTX 645 OEM

Graphics Card

Jan 2008

Release Date

Apr 2013

Radeon R600

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

950 MHz

Memory Clock

1000 MHz

Memory

256MB

Memory Size

1024MB

GDDR3

Memory Type

GDDR5

64bit

Memory Bus

128bit

15.20GB/s

Bandwidth

64.00GB/s

Render Config

-

SM Count

-

2

Compute Units

-

40

Shading Units

576

4

TMUs

48

4

ROPs

16

-

Tensor Cores

-

RT Cores

-

L1 Cache

16 KB (per SMX)

64 KB

L2 Cache

256 KB

Theoretical Performance

3.200 GPixel/s

Pixel Rate

9.888 GPixel/s

3.200 GTexel/s

Texture Rate

39.55 GTexel/s

-

FP16 (half)

-

64.00 GFLOPS

FP32 (float)

949.2 GFLOPS

-

FP64 (double)

39.55 GFLOPS

Graphics Processor

RV620

GPU Name

GK106

RV620 PRO (215-0670006)

GPU Variant

GK106-200-A1

TeraScale

Architecture

Kepler

TSMC

Foundry

TSMC

55 nm

Process Size

28 nm

0.181 billion

Transistors

2.54 billion

67 mm²

Die Size

221 mm²

Board Design

30W

TDP

65W

200 W

Suggested PSU

250 W

1x DVI 1x VGA 1x S-Video

Outputs

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

None

Power Connectors

None

Graphics Features

10.1 (10_1)

DirectX

12 (11_0)

3.3

OpenGL

4.6

N/A

OpenCL

3.0

N/A

Vulkan

1.1

-

CUDA

3.0

4.1

Shader Model

5.1

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