ATI Radeon HD 4870 X2 vs NVIDIA GeForce GTS 450 OEM

VS

ATI Radeon HD 4870 X2 NVIDIA GeForce GTS 450 OEM

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 4870 X2 and 512MB VRAM GeForce GTS 450 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

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

NVIDIA GeForce GTS 450 OEM 's Advantages

Released 2 years and 1 months late

Lower TDP (106W vs 286W)

Score

Benchmark

FP32 (float)

Radeon HD 4870 X2 +166%

1.2 TFLOPS

GeForce GTS 450 OEM

0.451 TFLOPS

Radeon HD 4870 X2

VS

GeForce GTS 450 OEM

Graphics Card

Aug 2008

Release Date

Sep 2010

Radeon R700

Generation

GeForce 400

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

900 MHz

Memory Clock

902 MHz

Memory

1024MB

Memory Size

512MB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

128bit

115.2GB/s

Bandwidth

57.73GB/s

Render Config

-

SM Count

3

10

Compute Units

-

800

Shading Units

144

40

TMUs

24

16

ROPs

16

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

64 KB (per SM)

256 KB

L2 Cache

256 KB

Theoretical Performance

12.00 GPixel/s

Pixel Rate

4.698 GPixel/s

30.00 GTexel/s

Texture Rate

18.79 GTexel/s

-

FP16 (half)

-

1200 GFLOPS

FP32 (float)

451.0 GFLOPS

240.0 GFLOPS

FP64 (double)

37.58 GFLOPS

Graphics Processor

R700

GPU Name

GF106

R700 XT (215-0669045)

GPU Variant

-

TeraScale

Architecture

Fermi

TSMC

Foundry

TSMC

55 nm

Process Size

40 nm

0.956 billion

Transistors

1.17 billion

256 mm²

Die Size

238 mm²

Board Design

286W

TDP

106W

600 W

Suggested PSU

300 W

2x DVI 1x S-Video

Outputs

1x DVI 1x DisplayPort 1x VGA

1x 6-pin + 1x 8-pin

Power Connectors

1x 6-pin

Graphics Features

10.1 (10_1)

DirectX

12 (11_0)

3.3

OpenGL

4.6

1.1

OpenCL

1.1

N/A

Vulkan

N/A

-

CUDA

2.1

4.1

Shader Model

5.1

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