NVIDIA GeForce GTS 450 vs AMD Radeon HD 6790

VS

NVIDIA GeForce GTS 450

AMD Radeon HD 6790

We compared two Desktop platform GPUs: 1024MB VRAM GeForce GTS 450 and 1024MB VRAM Radeon HD 6790 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 150W)

AMD Radeon HD 6790 's Advantages

Released 7 months late

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

608 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GTS 450

0.601 TFLOPS

Radeon HD 6790 +123%

1.344 TFLOPS

GeForce GTS 450

VS

Radeon HD 6790

Graphics Card

Sep 2010

Release Date

Apr 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

1050 MHz

Memory

1024MB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

256bit

57.73GB/s

Bandwidth

134.4GB/s

Render Config

-

Compute Units

10

4

SM Count

-

192

Shading Units

800

32

TMUs

40

16

ROPs

16

-

64 KB (per SM)

L1 Cache

8 KB (per CU)

256 KB

L2 Cache

512 KB

-

Theoretical Performance

6.264 GPixel/s

Pixel Rate

13.44 GPixel/s

25.06 GTexel/s

Texture Rate

33.60 GTexel/s

-

601.3 GFLOPS

FP32 (float)

1344 GFLOPS

50.11 GFLOPS

FP64 (double)

-

Board Design

106W

TDP

150W

300 W

Suggested PSU

450 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 6-pin

Graphics Processor

GF106

GPU Name

Barts

GF106-250-KA-A1

GPU Variant

Barts LE (215-0798002)

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

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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