AMD Radeon HD 8950M vs AMD Radeon HD 7870M

VS

AMD Radeon HD 8950M

AMD Radeon HD 7870M

We compared two Mobile platform GPUs: 2GB VRAM Radeon HD 8950M and 2GB VRAM Radeon HD 7870M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 8950M 's Advantages

Released 1 years and 1 months late

Larger VRAM bandwidth (88.00GB/s vs 64.00GB/s)

128 additional rendering cores

AMD Radeon HD 7870M 's Advantages

Lower TDP (45W vs 100W)

Score

Benchmark

FP32 (float)

Radeon HD 8950M +61%

1.651 TFLOPS

Radeon HD 7870M

1.024 TFLOPS

Radeon HD 8950M

VS

Radeon HD 7870M

Graphics Card

May 2013

Release Date

Apr 2012

Solar System

Generation

London

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

1375 MHz

Memory Clock

1000 MHz

Memory

2GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

128bit

88.00GB/s

Bandwidth

64.00GB/s

Render Config

12

Compute Units

10

-

768

Shading Units

640

48

TMUs

40

16

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

256 KB

-

Theoretical Performance

17.20 GPixel/s

Pixel Rate

12.80 GPixel/s

51.60 GTexel/s

Texture Rate

32.00 GTexel/s

-

1.651 TFLOPS

FP32 (float)

1024 GFLOPS

103.2 GFLOPS

FP64 (double)

64.00 GFLOPS

Board Design

100W

TDP

45W

-

No outputs

Outputs

No outputs

-

Graphics Processor

Saturn

GPU Name

Heathrow

Saturn XT

GPU Variant

Heathrow XT (216-0835033)

GCN 2.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

2.08 billion

Transistors

1.5 billion

160 mm²

Die Size

123 mm²

Graphics Features

12 (12_0)

DirectX

12 (11_1)

4.6

OpenGL

4.6

2.0

OpenCL

1.2

Vulkan

1.2

-

6.3

Shader Model

5.1

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