AMD Radeon R7 M340 vs AMD Radeon HD 6970M

VS

AMD Radeon R7 M340

AMD Radeon HD 6970M

We compared two Mobile platform GPUs: 1024MB VRAM Radeon R7 M340 and 1024MB VRAM Radeon HD 6970M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R7 M340 's Advantages

Released 4 years and 11 months late

Boost Clock715MHz

AMD Radeon HD 6970M 's Advantages

Larger VRAM bandwidth (115.2GB/s vs 16.00GB/s)

576 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R7 M340

0.549 TFLOPS

Radeon HD 6970M +137%

1.306 TFLOPS

Radeon R7 M340

VS

Radeon HD 6970M

Graphics Card

Dec 2015

Release Date

Jan 2011

Gem System

Generation

Vancouver

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

MXM-B (3.0)

Clock Speeds

620 MHz

Base Clock

-

715 MHz

Boost Clock

-

1000 MHz

Memory Clock

900 MHz

Memory

1024MB

Memory Size

1024MB

DDR3

Memory Type

GDDR5

64bit

Memory Bus

256bit

16.00GB/s

Bandwidth

115.2GB/s

Render Config

6

Compute Units

12

-

384

Shading Units

960

24

TMUs

48

8

ROPs

32

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

256 KB

L2 Cache

512 KB

-

Theoretical Performance

5.720 GPixel/s

Pixel Rate

21.76 GPixel/s

17.16 GTexel/s

Texture Rate

32.64 GTexel/s

-

549.1 GFLOPS

FP32 (float)

1306 GFLOPS

34.32 GFLOPS

FP64 (double)

-

Board Design

Unknown

TDP

75W

-

Portable Device Dependent

Outputs

No outputs

None

Power Connectors

None

Graphics Processor

Opal

GPU Name

Blackcomb

Opal PRO

GPU Variant

Blackcomb XT (216-0811000)

GCN 1.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

0.95 billion

Transistors

1.7 billion

77 mm²

Die Size

212 mm²

Graphics Features

12 (11_1)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

2.1 (1.2)

OpenCL

1.2

1.2.170

Vulkan

N/A

-

6.5 (5.1)

Shader Model

5.0

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