NVIDIA GeForce GTX 950 vs AMD Radeon HD 6950

VS

NVIDIA GeForce GTX 950

AMD Radeon HD 6950

We compared two Desktop platform GPUs: 2GB VRAM GeForce GTX 950 and 2GB VRAM Radeon HD 6950 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 950 's Advantages

Released 4 years and 8 months late

Boost Clock1188MHz

Lower TDP (90W vs 200W)

AMD Radeon HD 6950 's Advantages

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

640 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce GTX 950

1.825 TFLOPS

Radeon HD 6950 +23%

2.253 TFLOPS

GeForce GTX 950

VS

Radeon HD 6950

Graphics Card

Aug 2015

Release Date

Dec 2010

GeForce 900

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

1024 MHz

Base Clock

-

1188 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

22

-

768

Shading Units

1408

48

TMUs

88

32

ROPs

32

-

48 KB (per SMM)

L1 Cache

8 KB (per CU)

1024 KB

L2 Cache

512 KB

-

Theoretical Performance

38.02 GPixel/s

Pixel Rate

25.60 GPixel/s

57.02 GTexel/s

Texture Rate

70.40 GTexel/s

-

1.825 TFLOPS

FP32 (float)

2.253 TFLOPS

57.02 GFLOPS

FP64 (double)

563.2 GFLOPS

Board Design

90W

TDP

200W

250 W

Suggested PSU

550 W

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

Outputs

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

1x 6-pin

Power Connectors

2x 6-pin

Graphics Processor

GM206

GPU Name

Cayman

GM206-250-A1

GPU Variant

Cayman PRO (215-0807019)

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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