AMD Radeon HD 6790 vs NVIDIA GeForce GTX 260 Rev. 2

VS

AMD Radeon HD 6790 NVIDIA GeForce GTX 260 Rev. 2

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6790 and 896MB VRAM GeForce GTX 260 Rev. 2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6790 's Advantages

Released 2 years and 9 months late

More VRAM (1024GB vs 896GB)

Larger VRAM bandwidth (134.4GB/s vs 111.9GB/s)

608 additional rendering cores

Lower TDP (150W vs 182W)

Score

Benchmark

FP32 (float)

Radeon HD 6790 +181%

1.344 TFLOPS

GeForce GTX 260 Rev. 2

0.477 TFLOPS

Radeon HD 6790

VS

GeForce GTX 260 Rev. 2

Graphics Card

Apr 2011

Release Date

Jul 2008

Northern Islands

Generation

GeForce 200

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

1050 MHz

Memory Clock

999 MHz

Memory

1024MB

Memory Size

896MB

GDDR5

Memory Type

GDDR3

256bit

Memory Bus

448bit

134.4GB/s

Bandwidth

111.9GB/s

Render Config

-

SM Count

24

10

Compute Units

-

800

Shading Units

192

40

TMUs

64

16

ROPs

28

-

Tensor Cores

-

RT Cores

-

8 KB (per CU)

L1 Cache

-

512 KB

L2 Cache

224 KB

Theoretical Performance

13.44 GPixel/s

Pixel Rate

16.13 GPixel/s

33.60 GTexel/s

Texture Rate

36.86 GTexel/s

-

FP16 (half)

-

1344 GFLOPS

FP32 (float)

476.9 GFLOPS

-

FP64 (double)

59.62 GFLOPS

Graphics Processor

Barts

GPU Name

GT200B

Barts LE (215-0798002)

GPU Variant

G200-103-B3

TeraScale 2

Architecture

Tesla 2.0

TSMC

Foundry

TSMC

40 nm

Process Size

55 nm

1.7 billion

Transistors

1.4 billion

255 mm²

Die Size

470 mm²

Board Design

150W

TDP

182W

450 W

Suggested PSU

450 W

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

Outputs

2x DVI 1x S-Video

2x 6-pin

Power Connectors

2x 6-pin

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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