NVIDIA GeForce GTS 450 vs AMD Radeon HD 6850 X2

VS

NVIDIA GeForce GTS 450 AMD Radeon HD 6850 X2

We compared two Desktop platform GPUs: 1024MB VRAM GeForce GTS 450 and 2GB VRAM Radeon HD 6850 X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTS 450 's Advantages

Lower TDP (106W vs 254W)

AMD Radeon HD 6850 X2 's Advantages

Released 1 years late

More VRAM (2GB vs 1GB)

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

768 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GTS 450

0.601 TFLOPS

Radeon HD 6850 X2 +155%

1.536 TFLOPS

GeForce GTS 450

VS

Radeon HD 6850 X2

Graphics Card

Sep 2010

Release Date

Sep 2011

GeForce 400

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

902 MHz

Memory Clock

1050 MHz

Memory

1024MB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

256bit

57.73GB/s

Bandwidth

134.4GB/s

Render Config

4

SM Count

-

Compute Units

12

192

Shading Units

960

32

TMUs

48

16

ROPs

32

-

Tensor Cores

-

RT Cores

-

64 KB (per SM)

L1 Cache

8 KB (per CU)

256 KB

L2 Cache

512 KB

Theoretical Performance

6.264 GPixel/s

Pixel Rate

25.60 GPixel/s

25.06 GTexel/s

Texture Rate

38.40 GTexel/s

-

FP16 (half)

-

601.3 GFLOPS

FP32 (float)

1.536 TFLOPS

50.11 GFLOPS

FP64 (double)

-

Graphics Processor

GF106

GPU Name

Barts

GF106-250-KA-A1

GPU Variant

Barts PRO (215-0798006)

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

Board Design

106W

TDP

254W

300 W

Suggested PSU

600 W

2x DVI 1x mini-HDMI 1.3a

Outputs

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

1x 6-pin

Power Connectors

2x 8-pin

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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