NVIDIA GeForce GTS 450 Rev. 2 vs AMD Radeon HD 7870 GHz Edition

VS

NVIDIA GeForce GTS 450 Rev. 2 AMD Radeon HD 7870 GHz Edition

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

Main Differences

NVIDIA GeForce GTS 450 Rev. 2 's Advantages

Lower TDP (106W vs 175W)

AMD Radeon HD 7870 GHz Edition 's Advantages

Released 1 years late

More VRAM (2GB vs 1GB)

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

1088 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GTS 450 Rev. 2

0.601 TFLOPS

Radeon HD 7870 GHz Edition +325%

2.56 TFLOPS

GeForce GTS 450 Rev. 2

VS

Radeon HD 7870 GHz Edition

Graphics Card

Mar 2011

Release Date

Mar 2012

GeForce 400

Generation

Southern Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

902 MHz

Memory Clock

1200 MHz

Memory

1024MB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

256bit

57.73GB/s

Bandwidth

153.6GB/s

Render Config

4

SM Count

-

Compute Units

20

192

Shading Units

1280

32

TMUs

80

16

ROPs

32

-

Tensor Cores

-

RT Cores

-

64 KB (per SM)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

512 KB

Theoretical Performance

6.264 GPixel/s

Pixel Rate

32.00 GPixel/s

25.06 GTexel/s

Texture Rate

80.00 GTexel/s

-

FP16 (half)

-

601.3 GFLOPS

FP32 (float)

2.560 TFLOPS

50.11 GFLOPS

FP64 (double)

160.0 GFLOPS

Graphics Processor

GF116

GPU Name

Pitcairn

GF116-200-KA-A1

GPU Variant

Pitcairn XT (215-0828047)

Fermi 2.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

1.17 billion

Transistors

2.8 billion

238 mm²

Die Size

212 mm²

Board Design

106W

TDP

175W

300 W

Suggested PSU

450 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

2x 6-pin

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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