AMD Radeon HD 7970 GHz Edition vs NVIDIA GeForce GTS 450 OEM

VS

AMD Radeon HD 7970 GHz Edition

NVIDIA GeForce GTS 450 OEM

We compared two Desktop platform GPUs: 3GB VRAM Radeon HD 7970 GHz Edition and 512MB VRAM GeForce GTS 450 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7970 GHz Edition 's Advantages

Released 1 years and 9 months late

Boost Clock1050MHz

More VRAM (3GB vs 512GB)

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

1904 additional rendering cores

NVIDIA GeForce GTS 450 OEM 's Advantages

Lower TDP (106W vs 300W)

Score

Benchmark

FP32 (float)

Radeon HD 7970 GHz Edition +853%

4.301 TFLOPS

GeForce GTS 450 OEM

0.451 TFLOPS

Radeon HD 7970 GHz Edition

VS

GeForce GTS 450 OEM

Graphics Card

Jun 2012

Release Date

Sep 2010

Southern Islands

Generation

GeForce 400

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

1000 MHz

Base Clock

-

1050 MHz

Boost Clock

-

1500 MHz

Memory Clock

902 MHz

Memory

3GB

Memory Size

512MB

GDDR5

Memory Type

GDDR5

384bit

Memory Bus

128bit

288.0GB/s

Bandwidth

57.73GB/s

Render Config

32

Compute Units

-

SM Count

3

2048

Shading Units

144

128

TMUs

24

32

ROPs

16

-

16 KB (per CU)

L1 Cache

64 KB (per SM)

768 KB

L2 Cache

256 KB

-

Theoretical Performance

33.60 GPixel/s

Pixel Rate

4.698 GPixel/s

134.4 GTexel/s

Texture Rate

18.79 GTexel/s

-

4.301 TFLOPS

FP32 (float)

451.0 GFLOPS

1075 GFLOPS

FP64 (double)

37.58 GFLOPS

Board Design

300W

TDP

106W

700 W

Suggested PSU

300 W

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

Outputs

1x DVI 1x DisplayPort 1x VGA

1x 6-pin + 1x 8-pin

Power Connectors

1x 6-pin

Graphics Processor

Tahiti

GPU Name

GF106

Tahiti XT2 (215-0821065)

GPU Variant

-

GCN 1.0

Architecture

Fermi

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

4.313 billion

Transistors

1.17 billion

352 mm²

Die Size

238 mm²

Graphics Features

12 (11_1)

DirectX

12 (11_0)

4.6

OpenGL

4.6

1.2

OpenCL

1.1

1.2

Vulkan

N/A

-

CUDA

2.1

5.1

Shader Model

5.1

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