NVIDIA GeForce GTS 450 OEM vs AMD Radeon HD 6870 X2

VS

NVIDIA GeForce GTS 450 OEM

AMD Radeon HD 6870 X2

We compared two Desktop platform GPUs: 512MB VRAM GeForce GTS 450 OEM and 1024MB VRAM Radeon HD 6870 X2 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 300W)

AMD Radeon HD 6870 X2 's Advantages

Released 10 months late

More VRAM (1024GB vs 512GB)

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

976 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GTS 450 OEM

0.451 TFLOPS

Radeon HD 6870 X2 +347%

2.016 TFLOPS

GeForce GTS 450 OEM

VS

Radeon HD 6870 X2

Graphics Card

Sep 2010

Release Date

Jul 2011

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

512MB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

256bit

57.73GB/s

Bandwidth

134.4GB/s

Render Config

-

Compute Units

14

3

SM Count

-

144

Shading Units

1120

24

TMUs

56

16

ROPs

32

-

64 KB (per SM)

L1 Cache

8 KB (per CU)

256 KB

L2 Cache

512 KB

-

Theoretical Performance

4.698 GPixel/s

Pixel Rate

28.80 GPixel/s

18.79 GTexel/s

Texture Rate

50.40 GTexel/s

-

451.0 GFLOPS

FP32 (float)

2.016 TFLOPS

37.58 GFLOPS

FP64 (double)

-

Board Design

106W

TDP

300W

300 W

Suggested PSU

700 W

1x DVI 1x DisplayPort 1x VGA

Outputs

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

1x 6-pin

Power Connectors

-

Graphics Processor

GF106

GPU Name

Barts

-

GPU Variant

Barts XT (215-0798000)

Fermi

Architecture

TeraScale 2

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

1.17 billion

Transistors

1.7 billion

238 mm²

Die Size

255 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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