AMD Radeon R9 M275 vs AMD Radeon HD 7870M

VS

We compared two Mobile platform GPUs: 2GB VRAM Radeon R9 M275 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 R9 M275 's Advantages

Released 1 years and 9 months late

Boost Clock925MHz

Score

Benchmark

FP32 (float)

Radeon R9 M275 +15%

1.184 TFLOPS

Radeon HD 7870M

1.024 TFLOPS

Radeon R9 M275

VS

Radeon HD 7870M

Graphics Card

Jan 2014

Release Date

Apr 2012

Gem System

Generation

London

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

900 MHz

Base Clock

-

925 MHz

Boost Clock

-

1000 MHz

Memory Clock

1000 MHz

Memory

2GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

128bit

64.00GB/s

Bandwidth

64.00GB/s

Render Config

-

SM Count

-

10

Compute Units

10

640

Shading Units

640

40

TMUs

40

16

ROPs

16

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

256 KB

Theoretical Performance

14.80 GPixel/s

Pixel Rate

12.80 GPixel/s

37.00 GTexel/s

Texture Rate

32.00 GTexel/s

-

FP16 (half)

-

1184 GFLOPS

FP32 (float)

1024 GFLOPS

74.00 GFLOPS

FP64 (double)

64.00 GFLOPS

Graphics Processor

Venus

GPU Name

Heathrow

Venus XTX (216-0846033)

GPU Variant

Heathrow XT (216-0835033)

GCN 1.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

1.5 billion

Transistors

1.5 billion

123 mm²

Die Size

123 mm²

Board Design

Unknown

TDP

45W

-

Suggested PSU

-

Portable Device Dependent

Outputs

No outputs

-

Power Connectors

-

Graphics Features

12 (11_1)

DirectX

12 (11_1)

4.6

OpenGL

4.6

2.1 (1.2)

OpenCL

1.2

1.2.170

Vulkan

1.2

-

CUDA

-

6.5 (5.1)

Shader Model

5.1

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