NVIDIA GeForce GTS 450 vs AMD Radeon HD 7970 X2

VS

NVIDIA GeForce GTS 450

AMD Radeon HD 7970 X2

We compared two Desktop platform GPUs: 1024MB VRAM GeForce GTS 450 and 3GB VRAM Radeon HD 7970 X2 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 500W)

AMD Radeon HD 7970 X2 's Advantages

Released 1 years and 11 months late

More VRAM (3GB vs 1024GB)

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

1856 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GTS 450

0.601 TFLOPS

Radeon HD 7970 X2 +530%

3.789 TFLOPS

GeForce GTS 450

VS

Radeon HD 7970 X2

Graphics Card

Sep 2010

Release Date

Aug 2012

GeForce 400

Generation

Southern Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

902 MHz

Memory Clock

1375 MHz

Memory

1024MB

Memory Size

3GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

384bit

57.73GB/s

Bandwidth

264.0GB/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

29.60 GPixel/s

25.06 GTexel/s

Texture Rate

118.4 GTexel/s

-

601.3 GFLOPS

FP32 (float)

3.789 TFLOPS

50.11 GFLOPS

FP64 (double)

947.2 GFLOPS

Board Design

106W

TDP

500W

300 W

Suggested PSU

900 W

2x DVI 1x mini-HDMI 1.3a

Outputs

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

1x 6-pin

Power Connectors

3x 8-pin

Graphics Processor

GF106

GPU Name

New Zealand

GF106-250-KA-A1

GPU Variant

-

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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