AMD Radeon HD 6850 X2 vs NVIDIA TITAN X Pascal

VS

AMD Radeon HD 6850 X2

NVIDIA TITAN X Pascal

We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 6850 X2 and 12GB VRAM TITAN X Pascal to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA TITAN X Pascal 's Advantages

Released 4 years and 11 months late

Boost Clock1531MHz

More VRAM (12GB vs 2GB)

Larger VRAM bandwidth (480.4GB/s vs 134.4GB/s)

2624 additional rendering cores

Lower TDP (250W vs 254W)

Score

Benchmark

FP32 (float)

Radeon HD 6850 X2

1.536 TFLOPS

TITAN X Pascal +614%

10.97 TFLOPS

Radeon HD 6850 X2

VS

TITAN X Pascal

Graphics Card

Sep 2011

Release Date

Aug 2016

Northern Islands

Generation

GeForce 10

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

1417 MHz

-

Boost Clock

1531 MHz

1050 MHz

Memory Clock

1251 MHz

Memory

2GB

Memory Size

12GB

GDDR5

Memory Type

GDDR5X

256bit

Memory Bus

384bit

134.4GB/s

Bandwidth

480.4GB/s

Render Config

12

Compute Units

-

SM Count

28

960

Shading Units

3584

48

TMUs

224

32

ROPs

96

-

8 KB (per CU)

L1 Cache

48 KB (per SM)

512 KB

L2 Cache

3 MB

-

Theoretical Performance

25.60 GPixel/s

Pixel Rate

147.0 GPixel/s

38.40 GTexel/s

Texture Rate

342.9 GTexel/s

-

FP16 (half)

171.5 GFLOPS

1.536 TFLOPS

FP32 (float)

10.97 TFLOPS

-

FP64 (double)

342.9 GFLOPS

Board Design

254W

TDP

250W

600 W

Suggested PSU

600 W

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

Outputs

1x DVI 1x HDMI 2.0 3x DisplayPort 1.4a

2x 8-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

Barts

GPU Name

GP102

Barts PRO (215-0798006)

GPU Variant

GP102-400-A1

TeraScale 2

Architecture

Pascal

TSMC

Foundry

TSMC

40 nm

Process Size

16 nm

1.7 billion

Transistors

11.8 billion

255 mm²

Die Size

471 mm²

Graphics Features

11.2 (11_0)

DirectX

12 (12_1)

4.4

OpenGL

4.6

1.2

OpenCL

3.0

N/A

Vulkan

1.3

-

CUDA

6.1

5.0

Shader Model

6.4

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