ATI Radeon HD 3870 X2 vs NVIDIA NVS 1000

VS

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 3870 X2 and 2GB VRAM NVS 1000 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 3870 X2 's Advantages

Larger VRAM bandwidth (57.66GB/s vs 28.51GB/s)

128 additional rendering cores

NVIDIA NVS 1000 's Advantages

Lower TDP (35W vs 165W)

Score

Benchmark

FP32 (float)

Radeon HD 3870 X2 +72%

0.528 TFLOPS

NVS 1000

0.306 TFLOPS

Radeon HD 3870 X2

VS

NVS 1000

Graphics Card

Jan 2008

Release Date

Unknown

Radeon R600

Generation

NVS

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

901 MHz

Memory Clock

891 MHz

Memory

512MB

Memory Size

2GB

GDDR3

Memory Type

DDR3

256bit

Memory Bus

128bit

57.66GB/s

Bandwidth

28.51GB/s

Render Config

-

SM Count

-

4

Compute Units

-

320

Shading Units

192

16

TMUs

16

ROPs

16

-

Tensor Cores

-

RT Cores

-

L1 Cache

16 KB (per SMX)

256 KB

L2 Cache

256 KB

Theoretical Performance

13.20 GPixel/s

Pixel Rate

3.188 GPixel/s

13.20 GTexel/s

Texture Rate

12.75 GTexel/s

-

FP16 (half)

-

528.0 GFLOPS

FP32 (float)

306.0 GFLOPS

105.6 GFLOPS

FP64 (double)

12.75 GFLOPS

Graphics Processor

R680

GPU Name

GK107

R680 XT (215-0708017)

GPU Variant

-

TeraScale

Architecture

Kepler

TSMC

Foundry

TSMC

55 nm

Process Size

28 nm

0.666 billion

Transistors

1.27 billion

192 mm²

Die Size

118 mm²

Board Design

165W

TDP

35W

450 W

Suggested PSU

200 W

2x DVI 1x S-Video

Outputs

4x mini-DisplayPort 1.2

1x 6-pin + 1x 8-pin

Power Connectors

-

Graphics Features

10.1 (10_1)

DirectX

12 (11_0)

3.3 (full) 4.0 (partial)

OpenGL

4.6

N/A

OpenCL

3.0

N/A

Vulkan

1.1

-

CUDA

3.0

4.1

Shader Model

5.1

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