NVIDIA GeForce GTS 450 OEM vs ATI Radeon HD 4870 X2

VS

NVIDIA GeForce GTS 450 OEM

ATI Radeon HD 4870 X2

We compared two Desktop platform GPUs: 512MB VRAM GeForce GTS 450 OEM and 1024MB VRAM Radeon HD 4870 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

Released 2 years and 1 months late

Lower TDP (106W vs 286W)

ATI Radeon HD 4870 X2 's Advantages

More VRAM (1024GB vs 512GB)

Larger VRAM bandwidth (115.2GB/s vs 57.73GB/s)

656 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GTS 450 OEM

0.451 TFLOPS

Radeon HD 4870 X2 +166%

1.2 TFLOPS

GeForce GTS 450 OEM

VS

Radeon HD 4870 X2

Graphics Card

Sep 2010

Release Date

Aug 2008

GeForce 400

Generation

Radeon R700

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

902 MHz

Memory Clock

900 MHz

Memory

512MB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

256bit

57.73GB/s

Bandwidth

115.2GB/s

Render Config

-

Compute Units

10

3

SM Count

-

144

Shading Units

800

24

TMUs

40

16

ROPs

16

-

64 KB (per SM)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

256 KB

-

Theoretical Performance

4.698 GPixel/s

Pixel Rate

12.00 GPixel/s

18.79 GTexel/s

Texture Rate

30.00 GTexel/s

-

451.0 GFLOPS

FP32 (float)

1200 GFLOPS

37.58 GFLOPS

FP64 (double)

240.0 GFLOPS

Board Design

106W

TDP

286W

300 W

Suggested PSU

600 W

1x DVI 1x DisplayPort 1x VGA

Outputs

2x DVI 1x S-Video

1x 6-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

GF106

GPU Name

R700

-

GPU Variant

R700 XT (215-0669045)

Fermi

Architecture

TeraScale

TSMC

Foundry

TSMC

40 nm

Process Size

55 nm

1.17 billion

Transistors

0.956 billion

238 mm²

Die Size

256 mm²

Graphics Features

12 (11_0)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3

1.1

OpenCL

1.1

N/A

Vulkan

N/A

2.1

CUDA

-

5.1

Shader Model

4.1

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