AMD Radeon HD 6390 vs NVIDIA GeForce GTS 450

VS

AMD Radeon HD 6390

NVIDIA GeForce GTS 450

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6390 and 1024MB VRAM GeForce GTS 450 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6390 's Advantages

Released 10 months late

128 additional rendering cores

Lower TDP (39W vs 106W)

NVIDIA GeForce GTS 450 's Advantages

Larger VRAM bandwidth (57.73GB/s vs 16.00GB/s)

Score

Benchmark

FP32 (float)

Radeon HD 6390

0.352 TFLOPS

GeForce GTS 450 +70%

0.601 TFLOPS

Radeon HD 6390

VS

GeForce GTS 450

Graphics Card

Jul 2011

Release Date

Sep 2010

Northern Islands

Generation

GeForce 400

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

500 MHz

Memory Clock

902 MHz

Memory

1024MB

Memory Size

1024MB

DDR2

Memory Type

GDDR5

128bit

Memory Bus

128bit

16.00GB/s

Bandwidth

57.73GB/s

Render Config

4

Compute Units

-

SM Count

4

320

Shading Units

192

16

TMUs

32

8

ROPs

16

-

8 KB (per CU)

L1 Cache

64 KB (per SM)

256 KB

L2 Cache

256 KB

-

Theoretical Performance

4.400 GPixel/s

Pixel Rate

6.264 GPixel/s

8.800 GTexel/s

Texture Rate

25.06 GTexel/s

-

352.0 GFLOPS

FP32 (float)

601.3 GFLOPS

-

FP64 (double)

50.11 GFLOPS

Board Design

39W

TDP

106W

200 W

Suggested PSU

300 W

1x DVI 1x HDMI 1.3a 1x VGA

Outputs

2x DVI 1x mini-HDMI 1.3a

None

Power Connectors

1x 6-pin

Graphics Processor

Redwood

GPU Name

GF106

Redwood LE

GPU Variant

GF106-250-KA-A1

TeraScale 2

Architecture

Fermi

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

0.627 billion

Transistors

1.17 billion

104 mm²

Die Size

238 mm²

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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