NVIDIA GeForce GTS 450 OEM vs AMD Radeon HD 6990

VS

NVIDIA GeForce GTS 450 OEM

AMD Radeon HD 6990

We compared two Desktop platform GPUs: 512MB VRAM GeForce GTS 450 OEM and 2GB VRAM Radeon HD 6990 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 375W)

AMD Radeon HD 6990 's Advantages

Released 6 months late

More VRAM (2GB vs 512GB)

Larger VRAM bandwidth (160.0GB/s vs 57.73GB/s)

1392 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GTS 450 OEM

0.451 TFLOPS

Radeon HD 6990 +465%

2.55 TFLOPS

GeForce GTS 450 OEM

VS

Radeon HD 6990

Graphics Card

Sep 2010

Release Date

Mar 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

1250 MHz

Memory

512MB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

256bit

57.73GB/s

Bandwidth

160.0GB/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

8 KB (per CU)

256 KB

L2 Cache

512 KB

-

Theoretical Performance

4.698 GPixel/s

Pixel Rate

26.56 GPixel/s

18.79 GTexel/s

Texture Rate

79.68 GTexel/s

-

451.0 GFLOPS

FP32 (float)

2.550 TFLOPS

37.58 GFLOPS

FP64 (double)

637.4 GFLOPS

Board Design

106W

TDP

375W

300 W

Suggested PSU

750 W

1x DVI 1x DisplayPort 1x VGA

Outputs

1x DVI 4x mini-DisplayPort 1.2

1x 6-pin

Power Connectors

2x 8-pin

Graphics Processor

GF106

GPU Name

Antilles

-

GPU Variant

Antilles XT (215-0807027)

Fermi

Architecture

TeraScale 3

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

1.17 billion

Transistors

2.64 billion

238 mm²

Die Size

389 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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