ATI Radeon HD 4870 X2 vs NVIDIA GeForce GTX 950 OEM

VS

ATI Radeon HD 4870 X2

NVIDIA GeForce GTX 950 OEM

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 4870 X2 and 4GB VRAM GeForce GTX 950 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 4870 X2 's Advantages

Larger VRAM bandwidth (115.2GB/s vs 80.19GB/s)

NVIDIA GeForce GTX 950 OEM 's Advantages

Released 7 years and 5 months late

Boost Clock1203MHz

More VRAM (4GB vs 1024GB)

224 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 4870 X2

1.2 TFLOPS

GeForce GTX 950 OEM +105%

2.464 TFLOPS

Radeon HD 4870 X2

VS

GeForce GTX 950 OEM

Graphics Card

Aug 2008

Release Date

Jan 2016

Radeon R700

Generation

GeForce 900

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

937 MHz

-

Boost Clock

1203 MHz

900 MHz

Memory Clock

1253 MHz

Memory

1024MB

Memory Size

4GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

128bit

115.2GB/s

Bandwidth

80.19GB/s

Render Config

10

Compute Units

-

800

Shading Units

1024

40

TMUs

64

16

ROPs

32

-

16 KB (per CU)

L1 Cache

48 KB (per SMM)

256 KB

L2 Cache

1024 KB

-

Theoretical Performance

12.00 GPixel/s

Pixel Rate

38.50 GPixel/s

30.00 GTexel/s

Texture Rate

76.99 GTexel/s

-

1200 GFLOPS

FP32 (float)

2.464 TFLOPS

240.0 GFLOPS

FP64 (double)

76.99 GFLOPS

Board Design

286W

TDP

Unknown

600 W

Suggested PSU

200 W

2x DVI 1x S-Video

Outputs

No outputs

1x 6-pin + 1x 8-pin

Power Connectors

None

Graphics Processor

R700

GPU Name

GM206S

R700 XT (215-0669045)

GPU Variant

950 OEM

TeraScale

Architecture

Maxwell 2.0

TSMC

Foundry

TSMC

55 nm

Process Size

28 nm

0.956 billion

Transistors

2.94 billion

256 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

6.7

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