NVIDIA NVS 1000 vs AMD Radeon HD 7870 XT

VS

NVIDIA NVS 1000

AMD Radeon HD 7870 XT

We compared two Desktop platform GPUs: 2GB VRAM NVS 1000 and 2GB VRAM Radeon HD 7870 XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA NVS 1000 's Advantages

Lower TDP (35W vs 185W)

AMD Radeon HD 7870 XT 's Advantages

Boost Clock975MHz

Larger VRAM bandwidth (192.0GB/s vs 28.51GB/s)

1344 additional rendering cores

Score

Benchmark

FP32 (float)

NVS 1000

0.306 TFLOPS

Radeon HD 7870 XT +878%

2.995 TFLOPS

NVS 1000

VS

Radeon HD 7870 XT

Graphics Card

Unknown

Release Date

Nov 2012

NVS

Generation

Southern Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

925 MHz

-

Boost Clock

975 MHz

891 MHz

Memory Clock

1500 MHz

Memory

2GB

Memory Size

2GB

DDR3

Memory Type

GDDR5

128bit

Memory Bus

256bit

28.51GB/s

Bandwidth

192.0GB/s

Render Config

-

Compute Units

24

-

192

Shading Units

1536

16

TMUs

96

16

ROPs

32

-

16 KB (per SMX)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

512 KB

-

Theoretical Performance

3.188 GPixel/s

Pixel Rate

31.20 GPixel/s

12.75 GTexel/s

Texture Rate

93.60 GTexel/s

-

306.0 GFLOPS

FP32 (float)

2.995 TFLOPS

12.75 GFLOPS

FP64 (double)

748.8 GFLOPS

Board Design

35W

TDP

185W

200 W

Suggested PSU

450 W

4x mini-DisplayPort 1.2

Outputs

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

-

Power Connectors

2x 6-pin

Graphics Processor

GK107

GPU Name

Tahiti

-

GPU Variant

Tahiti LE (215-0821122)

Kepler

Architecture

GCN 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

1.27 billion

Transistors

4.313 billion

118 mm²

Die Size

352 mm²

Graphics Features

12 (11_0)

DirectX

12 (11_1)

4.6

OpenGL

4.6

3.0

OpenCL

1.2

1.1

Vulkan

1.2

3.0

CUDA

-

5.1

Shader Model

5.1

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