NVIDIA GeForce GTX 745 OEM vs AMD Radeon R9 280X2

VS

NVIDIA GeForce GTX 745 OEM

AMD Radeon R9 280X2

We compared two Desktop platform GPUs: 4GB VRAM GeForce GTX 745 OEM and 3GB VRAM Radeon R9 280X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 745 OEM 's Advantages

More VRAM (4GB vs 3GB)

Lower TDP (55W vs 375W)

AMD Radeon R9 280X2 's Advantages

Boost Clock1000MHz

Larger VRAM bandwidth (288.0GB/s vs 28.80GB/s)

1664 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GTX 745 OEM

0.793 TFLOPS

Radeon R9 280X2 +416%

4.096 TFLOPS

GeForce GTX 745 OEM

VS

Radeon R9 280X2

Graphics Card

Feb 2014

Release Date

Unknown

GeForce 700

Generation

Volcanic Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

950 MHz

-

Boost Clock

1000 MHz

900 MHz

Memory Clock

1500 MHz

Memory

4GB

Memory Size

3GB

DDR3

Memory Type

GDDR5

128bit

Memory Bus

384bit

28.80GB/s

Bandwidth

288.0GB/s

Render Config

-

Compute Units

32

-

384

Shading Units

2048

24

TMUs

128

16

ROPs

32

-

64 KB (per SMM)

L1 Cache

16 KB (per CU)

2 MB

L2 Cache

768 KB

-

Theoretical Performance

16.53 GPixel/s

Pixel Rate

32.00 GPixel/s

24.79 GTexel/s

Texture Rate

128.0 GTexel/s

-

793.3 GFLOPS

FP32 (float)

4.096 TFLOPS

24.79 GFLOPS

FP64 (double)

1024 GFLOPS

Board Design

55W

TDP

375W

250 W

Suggested PSU

750 W

1x DVI 1x HDMI 2.0 1x VGA

Outputs

6x mini-DisplayPort 1.2

None

Power Connectors

3x 8-pin

Graphics Processor

GM107

GPU Name

Tahiti

GM107-220-A2

GPU Variant

Tahiti XTL (215-0821065)

Maxwell

Architecture

GCN 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

1.87 billion

Transistors

4.313 billion

148 mm²

Die Size

352 mm²

Graphics Features

12 (11_0)

DirectX

12 (11_1)

4.6

OpenGL

4.6

3.0

OpenCL

1.2

1.3

Vulkan

1.2

5.0

CUDA

-

5.1

Shader Model

5.1

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