AMD Radeon HD 7970 X2 vs NVIDIA GeForce GTS 450 OEM

VS

AMD Radeon HD 7970 X2

NVIDIA GeForce GTS 450 OEM

We compared two Desktop platform GPUs: 3GB VRAM Radeon HD 7970 X2 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 X2 's Advantages

Released 1 years and 11 months late

More VRAM (3GB vs 512GB)

Larger VRAM bandwidth (264.0GB/s vs 57.73GB/s)

1904 additional rendering cores

NVIDIA GeForce GTS 450 OEM 's Advantages

Lower TDP (106W vs 500W)

Score

Benchmark

FP32 (float)

Radeon HD 7970 X2 +740%

3.789 TFLOPS

GeForce GTS 450 OEM

0.451 TFLOPS

Radeon HD 7970 X2

VS

GeForce GTS 450 OEM

Graphics Card

Aug 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

-

1375 MHz

Memory Clock

902 MHz

Memory

3GB

Memory Size

512MB

GDDR5

Memory Type

GDDR5

384bit

Memory Bus

128bit

264.0GB/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

29.60 GPixel/s

Pixel Rate

4.698 GPixel/s

118.4 GTexel/s

Texture Rate

18.79 GTexel/s

-

3.789 TFLOPS

FP32 (float)

451.0 GFLOPS

947.2 GFLOPS

FP64 (double)

37.58 GFLOPS

Board Design

500W

TDP

106W

900 W

Suggested PSU

300 W

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

Outputs

1x DVI 1x DisplayPort 1x VGA

3x 8-pin

Power Connectors

1x 6-pin

Graphics Processor

New Zealand

GPU Name

GF106

-

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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