GeForce GTS 450 vs Radeon HD 6990

VS

NVIDIA GeForce GTS 450

AMD Radeon HD 6990

We compared two Desktop platform GPUs: 1024MB VRAM GeForce GTS 450 and 2GB VRAM Radeon HD 6990 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 375W)

Radeon HD 6990 Advantages

Released 6 months late

More VRAM (2GB vs 1024GB)

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

1344 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GTS 450

601

Radeon HD 6990 +324%

2550

GeForce GTS 450

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

1024MB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

256bit

57.73GB/s

Bandwidth

160.0GB/s

Render Config

-

Compute Units

24

4

SM Count

-

192

Shading Units

1536

32

TMUs

96

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

26.56 GPixel/s

25.06 GTexel/s

Texture Rate

79.68 GTexel/s

601.3 GFLOPS

FP32 (float)

2.550 TFLOPS

50.11 GFLOPS

FP64 (double)

637.4 GFLOPS

Board Design

106W

TDP

375W

300 W

Suggested PSU

750 W

2x DVI
1x mini-HDMI 1.3a

Outputs

1x DVI
4x mini-DisplayPort 1.2

1x 6-pin

Power Connectors

2x 8-pin

Graphics Processor

GF106

GPU Name

Antilles

GF106-250-KA-A1

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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