AMD Radeon R9 M275 vs AMD Radeon HD 8870M

VS

We compared two Mobile platform GPUs: 2GB VRAM Radeon R9 M275 and 2GB VRAM Radeon HD 8870M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 M275 's Advantages

Released 9 months late

Boost Clock has increased by 19% (925MHz vs 775MHz)

AMD Radeon HD 8870M 's Advantages

Larger VRAM bandwidth (72.00GB/s vs 64.00GB/s)

Score

Benchmark

FP32 (float)

Radeon R9 M275 +19%

1.184 TFLOPS

Radeon HD 8870M

0.992 TFLOPS

Radeon R9 M275

VS

Radeon HD 8870M

Graphics Card

Jan 2014

Release Date

Apr 2013

Gem System

Generation

Solar System

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

900 MHz

Base Clock

725 MHz

925 MHz

Boost Clock

775 MHz

1000 MHz

Memory Clock

1125 MHz

Memory

2GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

128bit

64.00GB/s

Bandwidth

72.00GB/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

12.40 GPixel/s

37.00 GTexel/s

Texture Rate

31.00 GTexel/s

-

FP16 (half)

-

1184 GFLOPS

FP32 (float)

992.0 GFLOPS

74.00 GFLOPS

FP64 (double)

62.00 GFLOPS

Graphics Processor

Venus

GPU Name

Venus

Venus XTX (216-0846033)

GPU Variant

Venus XT (216-0846000)

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

Unknown

-

Suggested PSU

-

Portable Device Dependent

Outputs

Portable Device Dependent

-

Power Connectors

-

Graphics Features

12 (11_1)

DirectX

12 (11_1)

4.6

OpenGL

4.6

2.1 (1.2)

OpenCL

2.1 (1.2)

1.2.170

Vulkan

1.2.170

-

CUDA

-

6.5 (5.1)

Shader Model

6.5 (5.1)

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