AMD Radeon HD 7870 GHz Edition vs NVIDIA GeForce GTS 450

VS

AMD Radeon HD 7870 GHz Edition

NVIDIA GeForce GTS 450

We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 7870 GHz Edition and 1024MB VRAM GeForce GTS 450 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7870 GHz Edition 's Advantages

Released 1 years and 6 months late

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (153.6GB/s vs 57.73GB/s)

1088 additional rendering cores

NVIDIA GeForce GTS 450 's Advantages

Lower TDP (106W vs 175W)

Score

Benchmark

FP32 (float)

Radeon HD 7870 GHz Edition +325%

2.56 TFLOPS

GeForce GTS 450

0.601 TFLOPS

Radeon HD 7870 GHz Edition

VS

GeForce GTS 450

Graphics Card

Mar 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

-

1200 MHz

Memory Clock

902 MHz

Memory

2GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

128bit

153.6GB/s

Bandwidth

57.73GB/s

Render Config

20

Compute Units

-

SM Count

4

1280

Shading Units

192

80

TMUs

32

ROPs

16

-

16 KB (per CU)

L1 Cache

64 KB (per SM)

512 KB

L2 Cache

256 KB

-

Theoretical Performance

32.00 GPixel/s

Pixel Rate

6.264 GPixel/s

80.00 GTexel/s

Texture Rate

25.06 GTexel/s

-

2.560 TFLOPS

FP32 (float)

601.3 GFLOPS

160.0 GFLOPS

FP64 (double)

50.11 GFLOPS

Board Design

175W

TDP

106W

450 W

Suggested PSU

300 W

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

Outputs

2x DVI 1x mini-HDMI 1.3a

2x 6-pin

Power Connectors

1x 6-pin

Graphics Processor

Pitcairn

GPU Name

GF106

Pitcairn XT (215-0828047)

GPU Variant

GF106-250-KA-A1

GCN 1.0

Architecture

Fermi

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

2.8 billion

Transistors

1.17 billion

212 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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