AMD Radeon HD 6850 X2 vs NVIDIA GeForce GTX 690

VS

AMD Radeon HD 6850 X2

NVIDIA GeForce GTX 690

We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 6850 X2 and 2GB VRAM GeForce GTX 690 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6850 X2 's Advantages

Lower TDP (254W vs 300W)

NVIDIA GeForce GTX 690 's Advantages

Released 8 months late

Boost Clock1019MHz

Larger VRAM bandwidth (192.3GB/s vs 134.4GB/s)

576 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6850 X2

1.536 TFLOPS

GeForce GTX 690 +103%

3.13 TFLOPS

Radeon HD 6850 X2

VS

GeForce GTX 690

Graphics Card

Sep 2011

Release Date

May 2012

Northern Islands

Generation

GeForce 600

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

915 MHz

-

Boost Clock

1019 MHz

1050 MHz

Memory Clock

1502 MHz

Memory

2GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

256bit

134.4GB/s

Bandwidth

192.3GB/s

Render Config

12

Compute Units

-

960

Shading Units

1536

48

TMUs

128

32

ROPs

32

-

8 KB (per CU)

L1 Cache

16 KB (per SMX)

512 KB

L2 Cache

512 KB

-

Theoretical Performance

25.60 GPixel/s

Pixel Rate

32.61 GPixel/s

38.40 GTexel/s

Texture Rate

130.4 GTexel/s

-

1.536 TFLOPS

FP32 (float)

3.130 TFLOPS

-

FP64 (double)

130.4 GFLOPS

Board Design

254W

TDP

300W

600 W

Suggested PSU

700 W

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

Outputs

3x DVI 1x mini-DisplayPort 1.2

2x 8-pin

Power Connectors

2x 8-pin

Graphics Processor

Barts

GPU Name

GK104

Barts PRO (215-0798006)

GPU Variant

GK104-355-A2

TeraScale 2

Architecture

Kepler

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

1.7 billion

Transistors

3.54 billion

255 mm²

Die Size

294 mm²

Graphics Features

11.2 (11_0)

DirectX

12 (11_0)

4.4

OpenGL

4.6

1.2

OpenCL

3.0

N/A

Vulkan

1.1

-

CUDA

3.0

5.0

Shader Model

5.1

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