AMD Radeon HD 7870 XT vs NVIDIA GeForce GTX 950 OEM

VS

AMD Radeon HD 7870 XT

NVIDIA GeForce GTX 950 OEM

We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 7870 XT and 4GB VRAM GeForce GTX 950 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7870 XT 's Advantages

Larger VRAM bandwidth (192.0GB/s vs 80.19GB/s)

512 additional rendering cores

NVIDIA GeForce GTX 950 OEM 's Advantages

Released 3 years and 2 months late

Boost Clock has increased by 23% (1203MHz vs 975MHz)

More VRAM (4GB vs 2GB)

Score

Benchmark

FP32 (float)

Radeon HD 7870 XT +21%

2.995 TFLOPS

GeForce GTX 950 OEM

2.464 TFLOPS

Radeon HD 7870 XT

VS

GeForce GTX 950 OEM

Graphics Card

Nov 2012

Release Date

Jan 2016

Southern Islands

Generation

GeForce 900

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

925 MHz

Base Clock

937 MHz

975 MHz

Boost Clock

1203 MHz

1500 MHz

Memory Clock

1253 MHz

Memory

2GB

Memory Size

4GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

128bit

192.0GB/s

Bandwidth

80.19GB/s

Render Config

24

Compute Units

-

1536

Shading Units

1024

96

TMUs

64

32

ROPs

32

-

16 KB (per CU)

L1 Cache

48 KB (per SMM)

512 KB

L2 Cache

1024 KB

-

Theoretical Performance

31.20 GPixel/s

Pixel Rate

38.50 GPixel/s

93.60 GTexel/s

Texture Rate

76.99 GTexel/s

-

2.995 TFLOPS

FP32 (float)

2.464 TFLOPS

748.8 GFLOPS

FP64 (double)

76.99 GFLOPS

Board Design

185W

TDP

Unknown

450 W

Suggested PSU

200 W

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

Outputs

No outputs

2x 6-pin

Power Connectors

None

Graphics Processor

Tahiti

GPU Name

GM206S

Tahiti LE (215-0821122)

GPU Variant

950 OEM

GCN 1.0

Architecture

Maxwell 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

4.313 billion

Transistors

2.94 billion

352 mm²

Die Size

228 mm²

Graphics Features

12 (11_1)

DirectX

12 (12_1)

4.6

OpenGL

4.6

1.2

OpenCL

3.0

1.2

Vulkan

1.3

-

CUDA

5.2

5.1

Shader Model

6.7

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