NVIDIA GeForce GTX 950 Low Power vs AMD Radeon HD 6990

VS

NVIDIA GeForce GTX 950 Low Power

AMD Radeon HD 6990

We compared two Desktop platform GPUs: 2GB VRAM GeForce GTX 950 Low Power and 2GB VRAM Radeon HD 6990 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 950 Low Power 's Advantages

Released 5 years late

Boost Clock1190MHz

Lower TDP (75W vs 375W)

AMD Radeon HD 6990 's Advantages

Larger VRAM bandwidth (160.0GB/s vs 105.8GB/s)

768 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GTX 950 Low Power

1.828 TFLOPS

Radeon HD 6990 +39%

2.55 TFLOPS

GeForce GTX 950 Low Power

VS

Radeon HD 6990

Graphics Card

Mar 2016

Release Date

Mar 2011

GeForce 900

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

1026 MHz

Base Clock

-

1190 MHz

Boost Clock

-

1653 MHz

Memory Clock

1250 MHz

Memory

2GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

256bit

105.8GB/s

Bandwidth

160.0GB/s

Render Config

-

Compute Units

24

-

768

Shading Units

1536

48

TMUs

96

32

ROPs

32

-

48 KB (per SMM)

L1 Cache

8 KB (per CU)

1024 KB

L2 Cache

512 KB

-

Theoretical Performance

38.08 GPixel/s

Pixel Rate

26.56 GPixel/s

57.12 GTexel/s

Texture Rate

79.68 GTexel/s

-

1.828 TFLOPS

FP32 (float)

2.550 TFLOPS

57.12 GFLOPS

FP64 (double)

637.4 GFLOPS

Board Design

75W

TDP

375W

250 W

Suggested PSU

750 W

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

Outputs

1x DVI 4x mini-DisplayPort 1.2

None

Power Connectors

2x 8-pin

Graphics Processor

GM206

GPU Name

Antilles

GM206-251-A1

GPU Variant

Antilles XT (215-0807027)

Maxwell 2.0

Architecture

TeraScale 3

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

2.94 billion

Transistors

2.64 billion

228 mm²

Die Size

389 mm²

Graphics Features

12 (12_1)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

3.0

OpenCL

1.2

1.3

Vulkan

N/A

5.2

CUDA

-

6.4

Shader Model

5.0

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