ATI Radeon HD 3450 X2 vs NVIDIA GeForce GT 740

VS

ATI Radeon HD 3450 X2 NVIDIA GeForce GT 740

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 3450 X2 and 1024MB VRAM GeForce GT 740 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 3450 X2 's Advantages

Lower TDP (50W vs 64W)

NVIDIA GeForce GT 740 's Advantages

Released 6 years and 5 months late

More VRAM (1024GB vs 512GB)

Larger VRAM bandwidth (80.19GB/s vs 8.000GB/s)

344 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 3450 X2

0.048 TFLOPS

GeForce GT 740 +1489%

0.763 TFLOPS

Radeon HD 3450 X2

VS

GeForce GT 740

Graphics Card

Dec 2007

Release Date

May 2014

Radeon R600

Generation

GeForce 700

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

500 MHz

Memory Clock

1253 MHz

Memory

512MB

Memory Size

1024MB

DDR2

Memory Type

GDDR5

64bit

Memory Bus

128bit

8.000GB/s

Bandwidth

80.19GB/s

Render Config

-

SM Count

-

2

Compute Units

-

40

Shading Units

384

4

TMUs

32

4

ROPs

16

-

Tensor Cores

-

RT Cores

-

L1 Cache

16 KB (per SMX)

64 KB

L2 Cache

256 KB

Theoretical Performance

2.400 GPixel/s

Pixel Rate

7.944 GPixel/s

2.400 GTexel/s

Texture Rate

31.78 GTexel/s

-

FP16 (half)

-

48.00 GFLOPS

FP32 (float)

762.6 GFLOPS

-

FP64 (double)

31.78 GFLOPS

Graphics Processor

RV620

GPU Name

GK107

RV620 LE

GPU Variant

GK107-425-A2

TeraScale

Architecture

Kepler

TSMC

Foundry

TSMC

55 nm

Process Size

28 nm

0.181 billion

Transistors

1.27 billion

67 mm²

Die Size

118 mm²

Board Design

50W

TDP

64W

250 W

Suggested PSU

250 W

2x DMS-59

Outputs

2x DVI 1x mini-HDMI 1.4a

None

Power Connectors

1x 6-pin

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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