NVIDIA GeForce GTX 745 OEM vs AMD Radeon HD 7950 Boost

VS

NVIDIA GeForce GTX 745 OEM

AMD Radeon HD 7950 Boost

We compared two Desktop platform GPUs: 4GB VRAM GeForce GTX 745 OEM and 3GB VRAM Radeon HD 7950 Boost to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 745 OEM 's Advantages

Released 1 years and 8 months late

More VRAM (4GB vs 3GB)

Lower TDP (55W vs 200W)

AMD Radeon HD 7950 Boost 's Advantages

Boost Clock925MHz

Larger VRAM bandwidth (240.0GB/s vs 28.80GB/s)

1408 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GTX 745 OEM

0.793 TFLOPS

Radeon HD 7950 Boost +318%

3.315 TFLOPS

GeForce GTX 745 OEM

VS

Radeon HD 7950 Boost

Graphics Card

Feb 2014

Release Date

Jun 2012

GeForce 700

Generation

Southern Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

850 MHz

-

Boost Clock

925 MHz

900 MHz

Memory Clock

1250 MHz

Memory

4GB

Memory Size

3GB

DDR3

Memory Type

GDDR5

128bit

Memory Bus

384bit

28.80GB/s

Bandwidth

240.0GB/s

Render Config

-

Compute Units

28

-

384

Shading Units

1792

24

TMUs

112

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

29.60 GPixel/s

24.79 GTexel/s

Texture Rate

103.6 GTexel/s

-

793.3 GFLOPS

FP32 (float)

3.315 TFLOPS

24.79 GFLOPS

FP64 (double)

828.8 GFLOPS

Board Design

55W

TDP

200W

250 W

Suggested PSU

550 W

1x DVI 1x HDMI 2.0 1x VGA

Outputs

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

None

Power Connectors

2x 6-pin

Graphics Processor

GM107

GPU Name

Tahiti

GM107-220-A2

GPU Variant

Tahiti PRO2 (215-0821282)

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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