NVIDIA GeForce GTS 450 OEM vs AMD Radeon HD 7870 XT

VS

NVIDIA GeForce GTS 450 OEM

AMD Radeon HD 7870 XT

We compared two Desktop platform GPUs: 512MB VRAM GeForce GTS 450 OEM and 2GB VRAM Radeon HD 7870 XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTS 450 OEM 's Advantages

Lower TDP (106W vs 185W)

AMD Radeon HD 7870 XT 's Advantages

Released 2 years and 2 months late

Boost Clock975MHz

More VRAM (2GB vs 512GB)

Larger VRAM bandwidth (192.0GB/s vs 57.73GB/s)

1392 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GTS 450 OEM

0.451 TFLOPS

Radeon HD 7870 XT +564%

2.995 TFLOPS

GeForce GTS 450 OEM

VS

Radeon HD 7870 XT

Graphics Card

Sep 2010

Release Date

Nov 2012

GeForce 400

Generation

Southern Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

925 MHz

-

Boost Clock

975 MHz

902 MHz

Memory Clock

1500 MHz

Memory

512MB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

256bit

57.73GB/s

Bandwidth

192.0GB/s

Render Config

-

Compute Units

24

3

SM Count

-

144

Shading Units

1536

24

TMUs

96

16

ROPs

32

-

64 KB (per SM)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

512 KB

-

Theoretical Performance

4.698 GPixel/s

Pixel Rate

31.20 GPixel/s

18.79 GTexel/s

Texture Rate

93.60 GTexel/s

-

451.0 GFLOPS

FP32 (float)

2.995 TFLOPS

37.58 GFLOPS

FP64 (double)

748.8 GFLOPS

Board Design

106W

TDP

185W

300 W

Suggested PSU

450 W

1x DVI 1x DisplayPort 1x VGA

Outputs

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

1x 6-pin

Power Connectors

2x 6-pin

Graphics Processor

GF106

GPU Name

Tahiti

-

GPU Variant

Tahiti LE (215-0821122)

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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