ATI Radeon HD 4890 vs NVIDIA GeForce GTX 950 Low Power

VS

ATI Radeon HD 4890

NVIDIA GeForce GTX 950 Low Power

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 4890 and 2GB VRAM GeForce GTX 950 Low Power to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 4890 's Advantages

Larger VRAM bandwidth (124.8GB/s vs 105.8GB/s)

32 additional rendering cores

NVIDIA GeForce GTX 950 Low Power 's Advantages

Released 6 years and 11 months late

Boost Clock1190MHz

More VRAM (2GB vs 1024GB)

Lower TDP (75W vs 190W)

Score

Benchmark

FP32 (float)

Radeon HD 4890

1.36 TFLOPS

GeForce GTX 950 Low Power +34%

1.828 TFLOPS

Radeon HD 4890

VS

GeForce GTX 950 Low Power

Graphics Card

Apr 2009

Release Date

Mar 2016

Radeon R700

Generation

GeForce 900

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

1026 MHz

-

Boost Clock

1190 MHz

975 MHz

Memory Clock

1653 MHz

Memory

1024MB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

128bit

124.8GB/s

Bandwidth

105.8GB/s

Render Config

10

Compute Units

-

800

Shading Units

768

40

TMUs

48

16

ROPs

32

-

16 KB (per CU)

L1 Cache

48 KB (per SMM)

256 KB

L2 Cache

1024 KB

-

Theoretical Performance

13.60 GPixel/s

Pixel Rate

38.08 GPixel/s

34.00 GTexel/s

Texture Rate

57.12 GTexel/s

-

1360 GFLOPS

FP32 (float)

1.828 TFLOPS

272.0 GFLOPS

FP64 (double)

57.12 GFLOPS

Board Design

190W

TDP

75W

450 W

Suggested PSU

250 W

2x DVI 1x S-Video

Outputs

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

2x 6-pin

Power Connectors

None

Graphics Processor

RV790

GPU Name

GM206

RV790 XT (215-0758016)

GPU Variant

GM206-251-A1

TeraScale

Architecture

Maxwell 2.0

TSMC

Foundry

TSMC

55 nm

Process Size

28 nm

0.959 billion

Transistors

2.94 billion

282 mm²

Die Size

228 mm²

Graphics Features

10.1 (10_1)

DirectX

12 (12_1)

3.3

OpenGL

4.6

1.1

OpenCL

3.0

N/A

Vulkan

1.3

-

CUDA

5.2

4.1

Shader Model

6.4

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