GeForce GTS 450 vs Radeon HD 6870 1600SP Edition

VS

NVIDIA GeForce GTS 450

AMD Radeon HD 6870 1600SP Edition

We compared two Desktop platform GPUs: 1024MB VRAM GeForce GTS 450 and 1024MB VRAM Radeon HD 6870 1600SP Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

GeForce GTS 450 Advantages

Lower TDP (106W vs 175W)

Radeon HD 6870 1600SP Edition Advantages

Released 2 years and 4 months late

Larger VRAM bandwidth (134.4GB/s vs 57.73GB/s)

1408 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GTS 450

601

Radeon HD 6870 1600SP Edition +352%

2720

GeForce GTS 450

VS

Radeon HD 6870 1600SP Edition

Graphics Card

Sep 2010

Release Date

Jan 2013

GeForce 400

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

902 MHz

Memory Clock

1050 MHz

Memory

1024MB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

256bit

57.73GB/s

Bandwidth

134.4GB/s

Render Config

-

Compute Units

20

4

SM Count

-

192

Shading Units

1600

32

TMUs

80

16

ROPs

32

64 KB (per SM)

L1 Cache

8 KB (per CU)

256 KB

L2 Cache

512 KB

Theoretical Performance

6.264 GPixel/s

Pixel Rate

27.20 GPixel/s

25.06 GTexel/s

Texture Rate

68.00 GTexel/s

601.3 GFLOPS

FP32 (float)

2.720 TFLOPS

50.11 GFLOPS

FP64 (double)

544.0 GFLOPS

Board Design

106W

TDP

175W

300 W

Suggested PSU

450 W

2x DVI
1x mini-HDMI 1.3a

Outputs

2x DVI
1x HDMI 1.3a
2x mini-DisplayPort 1.1

1x 6-pin

Power Connectors

2x 6-pin

Graphics Processor

GF106

GPU Name

Cypress

GF106-250-KA-A1

GPU Variant

Cypress XT

(215-0735033)

Fermi

Architecture

TeraScale 2

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

1.17 billion

Transistors

2.154 billion

238 mm²

Die Size

334 mm²

Graphics Features

12 (11_0)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

1.1

OpenCL

1.2

N/A

Vulkan

N/A

2.1

CUDA

-

5.1

Shader Model

5.0

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