AMD Radeon R9 285X vs NVIDIA GeForce GTX 745 OEM

VS

AMD Radeon R9 285X NVIDIA GeForce GTX 745 OEM

We compared two Desktop platform GPUs: 3GB VRAM Radeon R9 285X and 4GB VRAM GeForce GTX 745 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 285X 's Advantages

Larger VRAM bandwidth (264.0GB/s vs 28.80GB/s)

1664 additional rendering cores

NVIDIA GeForce GTX 745 OEM 's Advantages

More VRAM (4GB vs 3GB)

Lower TDP (55W vs 200W)

Score

Benchmark

FP32 (float)

Radeon R9 285X +417%

4.104 TFLOPS

GeForce GTX 745 OEM

0.793 TFLOPS

Radeon R9 285X

VS

GeForce GTX 745 OEM

Graphics Card

Unknown

Release Date

Feb 2014

Volcanic Islands

Generation

GeForce 700

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

1375 MHz

Memory Clock

900 MHz

Memory

3GB

Memory Size

4GB

GDDR5

Memory Type

DDR3

384bit

Memory Bus

128bit

264.0GB/s

Bandwidth

28.80GB/s

Render Config

-

SM Count

-

32

Compute Units

-

2048

Shading Units

384

128

TMUs

24

32

ROPs

16

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

64 KB (per SMM)

768 KB

L2 Cache

2 MB

Theoretical Performance

32.06 GPixel/s

Pixel Rate

16.53 GPixel/s

128.3 GTexel/s

Texture Rate

24.79 GTexel/s

-

FP16 (half)

-

4.104 TFLOPS

FP32 (float)

793.3 GFLOPS

-

FP64 (double)

24.79 GFLOPS

Graphics Processor

Tonga

GPU Name

GM107

Tonga XT (215-0851313)

GPU Variant

GM107-220-A2

GCN 3.0

Architecture

Maxwell

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

5 billion

Transistors

1.87 billion

366 mm²

Die Size

148 mm²

Board Design

200W

TDP

55W

550 W

Suggested PSU

250 W

2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2

Outputs

1x DVI 1x HDMI 2.0 1x VGA

1x 6-pin + 1x 8-pin

Power Connectors

None

Graphics Features

12 (12_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

2.0

OpenCL

3.0

1.2

Vulkan

1.3

-

CUDA

5.0

6.3

Shader Model

5.1

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