NVIDIA GeForce GTX 950 vs ATI Radeon HD 2900 XT

VS

NVIDIA GeForce GTX 950

ATI Radeon HD 2900 XT

We compared two Desktop platform GPUs: 2GB VRAM GeForce GTX 950 and 512MB VRAM Radeon HD 2900 XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce GTX 950 's Advantages

Released 8 years and 3 months late

Boost Clock1188MHz

More VRAM (2GB vs 512GB)

448 additional rendering cores

Lower TDP (90W vs 215W)

ATI Radeon HD 2900 XT 's Advantages

Larger VRAM bandwidth (106.0GB/s vs 105.8GB/s)

Score

Benchmark

FP32 (float)

GeForce GTX 950 +283%

1.825 TFLOPS

Radeon HD 2900 XT

0.476 TFLOPS

GeForce GTX 950

VS

Radeon HD 2900 XT

Graphics Card

Aug 2015

Release Date

May 2007

GeForce 900

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 1.0 x16

Clock Speeds

1024 MHz

Base Clock

-

1188 MHz

Boost Clock

-

1653 MHz

Memory Clock

828 MHz

Memory

2GB

Memory Size

512MB

GDDR5

Memory Type

GDDR3

128bit

Memory Bus

512bit

105.8GB/s

Bandwidth

106.0GB/s

Render Config

-

Compute Units

4

-

768

Shading Units

320

48

TMUs

16

32

ROPs

16

-

48 KB (per SMM)

L1 Cache

-

1024 KB

L2 Cache

256 KB

-

Theoretical Performance

38.02 GPixel/s

Pixel Rate

11.89 GPixel/s

57.02 GTexel/s

Texture Rate

11.89 GTexel/s

-

1.825 TFLOPS

FP32 (float)

475.5 GFLOPS

57.02 GFLOPS

FP64 (double)

-

Board Design

90W

TDP

215W

250 W

Suggested PSU

550 W

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

Outputs

2x DVI 1x S-Video

1x 6-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

GM206

GPU Name

R600

GM206-250-A1

GPU Variant

R600 XT (215RGMDKA13FG)

Maxwell 2.0

Architecture

TeraScale

TSMC

Foundry

TSMC

28 nm

Process Size

80 nm

2.94 billion

Transistors

0.72 billion

228 mm²

Die Size

420 mm²

Graphics Features

12 (12_1)

DirectX

10.0 (10_0)

4.6

OpenGL

3.3 (full) 4.0 (partial)

3.0

OpenCL

N/A

1.3

Vulkan

N/A

5.2

CUDA

-

6.4

Shader Model

4.0

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