AMD Radeon HD 6790 vs NVIDIA GeForce GTS 450 Rev. 3

VS

AMD Radeon HD 6790 NVIDIA GeForce GTS 450 Rev. 3

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6790 and 1024MB VRAM GeForce GTS 450 Rev. 3 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6790 's Advantages

Larger VRAM bandwidth (134.4GB/s vs 22.40GB/s)

656 additional rendering cores

NVIDIA GeForce GTS 450 Rev. 3 's Advantages

Released 1 years and 3 months late

Lower TDP (106W vs 150W)

Score

Benchmark

FP32 (float)

Radeon HD 6790 +198%

1.344 TFLOPS

GeForce GTS 450 Rev. 3

0.451 TFLOPS

Radeon HD 6790

VS

GeForce GTS 450 Rev. 3

Graphics Card

Apr 2011

Release Date

Jul 2012

Northern Islands

Generation

GeForce 400

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

1050 MHz

Memory Clock

700 MHz

Memory

1024MB

Memory Size

1024MB

GDDR5

Memory Type

DDR3

256bit

Memory Bus

128bit

134.4GB/s

Bandwidth

22.40GB/s

Render Config

-

SM Count

3

10

Compute Units

-

800

Shading Units

144

40

TMUs

24

16

ROPs

16

-

Tensor Cores

-

RT Cores

-

8 KB (per CU)

L1 Cache

64 KB (per SM)

512 KB

L2 Cache

256 KB

Theoretical Performance

13.44 GPixel/s

Pixel Rate

4.698 GPixel/s

33.60 GTexel/s

Texture Rate

18.79 GTexel/s

-

FP16 (half)

-

1344 GFLOPS

FP32 (float)

451.0 GFLOPS

-

FP64 (double)

37.58 GFLOPS

Graphics Processor

Barts

GPU Name

GF116

Barts LE (215-0798002)

GPU Variant

GF116-200-KA-A1

TeraScale 2

Architecture

Fermi 2.0

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

1.7 billion

Transistors

1.17 billion

255 mm²

Die Size

238 mm²

Board Design

150W

TDP

106W

450 W

Suggested PSU

300 W

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

Outputs

2x DVI 1x mini-HDMI 1.3a

2x 6-pin

Power Connectors

-

Graphics Features

11.2 (11_0)

DirectX

12 (11_0)

4.4

OpenGL

4.6

1.2

OpenCL

1.1

N/A

Vulkan

N/A

-

CUDA

2.1

5.0

Shader Model

5.1

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