NVIDIA GeForce GTX 680 vs ATI Radeon HD 3850 X2

VS

NVIDIA GeForce GTX 680

ATI Radeon HD 3850 X2

We compared two Desktop platform GPUs: 2GB VRAM GeForce GTX 680 and 512MB VRAM Radeon HD 3850 X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 680 's Advantages

Released 3 years and 11 months late

Boost Clock1058MHz

More VRAM (2GB vs 512GB)

Larger VRAM bandwidth (192.3GB/s vs 52.99GB/s)

1216 additional rendering cores

ATI Radeon HD 3850 X2 's Advantages

Lower TDP (140W vs 195W)

Score

Benchmark

FP32 (float)

GeForce GTX 680 +659%

3.25 TFLOPS

Radeon HD 3850 X2

0.428 TFLOPS

GeForce GTX 680

VS

Radeon HD 3850 X2

Graphics Card

Mar 2012

Release Date

Apr 2008

GeForce 600

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

1006 MHz

Base Clock

-

1058 MHz

Boost Clock

-

1502 MHz

Memory Clock

828 MHz

Memory

2GB

Memory Size

512MB

GDDR5

Memory Type

GDDR3

256bit

Memory Bus

256bit

192.3GB/s

Bandwidth

52.99GB/s

Render Config

-

Compute Units

4

-

1536

Shading Units

320

128

TMUs

16

32

ROPs

16

-

16 KB (per SMX)

L1 Cache

-

512 KB

L2 Cache

256 KB

-

Theoretical Performance

33.86 GPixel/s

Pixel Rate

10.70 GPixel/s

135.4 GTexel/s

Texture Rate

10.70 GTexel/s

-

3.250 TFLOPS

FP32 (float)

428.2 GFLOPS

135.4 GFLOPS

FP64 (double)

85.63 GFLOPS

Board Design

195W

TDP

140W

450 W

Suggested PSU

300 W

2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2

Outputs

2x DVI 1x S-Video

2x 6-pin

Power Connectors

-

Graphics Processor

GK104

GPU Name

RV670

GK104-400-A2

GPU Variant

RV670 PRO (215-0708003)

Kepler

Architecture

TeraScale

TSMC

Foundry

TSMC

28 nm

Process Size

55 nm

3.54 billion

Transistors

0.666 billion

294 mm²

Die Size

192 mm²

Graphics Features

12 (11_0)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3 (full) 4.0 (partial)

3.0

OpenCL

N/A

1.1

Vulkan

N/A

3.0

CUDA

-

5.1

Shader Model

4.1

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