AMD Radeon HD 6390 vs NVIDIA GeForce GTX 260

VS

AMD Radeon HD 6390

NVIDIA GeForce GTX 260

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6390 and 896MB VRAM GeForce GTX 260 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6390 's Advantages

Released 3 years and 1 months late

More VRAM (1024GB vs 896GB)

128 additional rendering cores

Lower TDP (39W vs 182W)

NVIDIA GeForce GTX 260 's Advantages

Larger VRAM bandwidth (111.9GB/s vs 16.00GB/s)

Score

Benchmark

FP32 (float)

Radeon HD 6390

0.352 TFLOPS

GeForce GTX 260 +35%

0.477 TFLOPS

Radeon HD 6390

VS

GeForce GTX 260

Graphics Card

Jul 2011

Release Date

Jun 2008

Northern Islands

Generation

GeForce 200

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

500 MHz

Memory Clock

999 MHz

Memory

1024MB

Memory Size

896MB

DDR2

Memory Type

GDDR3

128bit

Memory Bus

448bit

16.00GB/s

Bandwidth

111.9GB/s

Render Config

4

Compute Units

-

SM Count

24

320

Shading Units

192

16

TMUs

64

8

ROPs

28

-

8 KB (per CU)

L1 Cache

-

256 KB

L2 Cache

224 KB

-

Theoretical Performance

4.400 GPixel/s

Pixel Rate

16.13 GPixel/s

8.800 GTexel/s

Texture Rate

36.86 GTexel/s

-

352.0 GFLOPS

FP32 (float)

476.9 GFLOPS

-

FP64 (double)

59.62 GFLOPS

Board Design

39W

TDP

182W

200 W

Suggested PSU

450 W

1x DVI 1x HDMI 1.3a 1x VGA

Outputs

2x DVI 1x S-Video

None

Power Connectors

2x 6-pin

Graphics Processor

Redwood

GPU Name

GT200

Redwood LE

GPU Variant

G200-100-A2

TeraScale 2

Architecture

Tesla 2.0

TSMC

Foundry

TSMC

40 nm

Process Size

65 nm

0.627 billion

Transistors

1.4 billion

104 mm²

Die Size

576 mm²

Graphics Features

11.2 (11_0)

DirectX

11.1 (10_0)

4.4

OpenGL

3.3

1.2

OpenCL

1.1

N/A

Vulkan

N/A

-

CUDA

1.3

5.0

Shader Model

4.0

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