NVIDIA GeForce GTS 450 vs AMD Radeon HD 7970 GHz Edition

VS

NVIDIA GeForce GTS 450

AMD Radeon HD 7970 GHz Edition

We compared two Desktop platform GPUs: 1024MB VRAM GeForce GTS 450 and 3GB VRAM Radeon HD 7970 GHz Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTS 450 's Advantages

Lower TDP (106W vs 300W)

AMD Radeon HD 7970 GHz Edition 's Advantages

Released 1 years and 9 months late

Boost Clock1050MHz

More VRAM (3GB vs 1024GB)

Larger VRAM bandwidth (288.0GB/s vs 57.73GB/s)

1856 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GTS 450

0.601 TFLOPS

Radeon HD 7970 GHz Edition +615%

4.301 TFLOPS

GeForce GTS 450

VS

Radeon HD 7970 GHz Edition

Graphics Card

Sep 2010

Release Date

Jun 2012

GeForce 400

Generation

Southern Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

1000 MHz

-

Boost Clock

1050 MHz

902 MHz

Memory Clock

1500 MHz

Memory

1024MB

Memory Size

3GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

384bit

57.73GB/s

Bandwidth

288.0GB/s

Render Config

-

Compute Units

32

4

SM Count

-

192

Shading Units

2048

32

TMUs

128

16

ROPs

32

-

64 KB (per SM)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

768 KB

-

Theoretical Performance

6.264 GPixel/s

Pixel Rate

33.60 GPixel/s

25.06 GTexel/s

Texture Rate

134.4 GTexel/s

-

601.3 GFLOPS

FP32 (float)

4.301 TFLOPS

50.11 GFLOPS

FP64 (double)

1075 GFLOPS

Board Design

106W

TDP

300W

300 W

Suggested PSU

700 W

2x DVI 1x mini-HDMI 1.3a

Outputs

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

1x 6-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

GF106

GPU Name

Tahiti

GF106-250-KA-A1

GPU Variant

Tahiti XT2 (215-0821065)

Fermi

Architecture

GCN 1.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

1.17 billion

Transistors

4.313 billion

238 mm²

Die Size

352 mm²

Graphics Features

12 (11_0)

DirectX

12 (11_1)

4.6

OpenGL

4.6

1.1

OpenCL

1.2

N/A

Vulkan

1.2

2.1

CUDA

-

5.1

Shader Model

5.1

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