NVIDIA GeForce GTX 950 vs AMD Radeon HD 6490

VS

NVIDIA GeForce GTX 950

AMD Radeon HD 6490

We compared two Desktop platform GPUs: 2GB VRAM GeForce GTX 950 and 1024MB VRAM Radeon HD 6490 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 1 months late

Boost Clock1188MHz

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (105.8GB/s vs 16.00GB/s)

448 additional rendering cores

AMD Radeon HD 6490 's Advantages

Lower TDP (39W vs 90W)

Score

Benchmark

FP32 (float)

GeForce GTX 950 +418%

1.825 TFLOPS

Radeon HD 6490

0.352 TFLOPS

GeForce GTX 950

VS

Radeon HD 6490

Graphics Card

Aug 2015

Release Date

Jul 2011

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

500 MHz

Memory

2GB

Memory Size

1024MB

GDDR5

Memory Type

DDR2

128bit

Memory Bus

128bit

105.8GB/s

Bandwidth

16.00GB/s

Render Config

-

Compute Units

4

-

768

Shading Units

320

48

TMUs

16

32

ROPs

8

-

48 KB (per SMM)

L1 Cache

8 KB (per CU)

1024 KB

L2 Cache

256 KB

-

Theoretical Performance

38.02 GPixel/s

Pixel Rate

4.400 GPixel/s

57.02 GTexel/s

Texture Rate

8.800 GTexel/s

-

1.825 TFLOPS

FP32 (float)

352.0 GFLOPS

57.02 GFLOPS

FP64 (double)

-

Board Design

90W

TDP

39W

250 W

Suggested PSU

200 W

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

Outputs

1x DVI 1x HDMI 1.3a 1x VGA

1x 6-pin

Power Connectors

None

Graphics Processor

GM206

GPU Name

Redwood

GM206-250-A1

GPU Variant

Redwood LE

Maxwell 2.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

2.94 billion

Transistors

0.627 billion

228 mm²

Die Size

104 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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