AMD Radeon R7 M340 vs AMD Radeon HD 8670M

VS

We compared two Mobile platform GPUs: 1024MB VRAM Radeon R7 M340 and 1024MB VRAM Radeon HD 8670M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R7 M340 's Advantages

Released 2 years and 9 months late

Larger VRAM bandwidth (16.00GB/s vs 14.40GB/s)

64 additional rendering cores

AMD Radeon HD 8670M 's Advantages

Boost Clock has increased by 36% (975MHz vs 715MHz)

Score

Benchmark

FP32 (float)

Radeon R7 M340

0.549 TFLOPS

Radeon HD 8670M +13%

0.624 TFLOPS

Radeon R7 M340

VS

Radeon HD 8670M

Graphics Card

Dec 2015

Release Date

Mar 2013

Gem System

Generation

Solar System

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 3.0 x8

Clock Speeds

620 MHz

Base Clock

925 MHz

715 MHz

Boost Clock

975 MHz

1000 MHz

Memory Clock

900 MHz

Memory

1024MB

Memory Size

1024MB

DDR3

Memory Type

DDR3

64bit

Memory Bus

64bit

16.00GB/s

Bandwidth

14.40GB/s

Render Config

-

SM Count

-

6

Compute Units

5

384

Shading Units

320

24

TMUs

20

8

ROPs

8

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

128 KB

Theoretical Performance

5.720 GPixel/s

Pixel Rate

7.800 GPixel/s

17.16 GTexel/s

Texture Rate

19.50 GTexel/s

-

FP16 (half)

-

549.1 GFLOPS

FP32 (float)

624.0 GFLOPS

34.32 GFLOPS

FP64 (double)

39.00 GFLOPS

Graphics Processor

Opal

GPU Name

Sun

Opal PRO

GPU Variant

Sun S3 XT (216-0841009)

GCN 1.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

0.95 billion

Transistors

0.69 billion

77 mm²

Die Size

56 mm²

Board Design

Unknown

TDP

Unknown

-

Suggested PSU

-

Portable Device Dependent

Outputs

Portable Device Dependent

None

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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