AMD Radeon R7 M340 vs ATI Mobility Radeon HD 4850

VS

AMD Radeon R7 M340

ATI Mobility Radeon HD 4850

We compared two Mobile platform GPUs: 1024MB VRAM Radeon R7 M340 and 1024MB VRAM Mobility Radeon HD 4850 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R7 M340 's Advantages

Released 6 years and 11 months late

Boost Clock715MHz

ATI Mobility Radeon HD 4850 's Advantages

Larger VRAM bandwidth (54.40GB/s vs 16.00GB/s)

416 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R7 M340

0.549 TFLOPS

Mobility Radeon HD 4850 +46%

0.804 TFLOPS

Radeon R7 M340

VS

Mobility Radeon HD 4850

Graphics Card

Dec 2015

Release Date

Jan 2009

Gem System

Generation

M9x

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 2.0 x16

Clock Speeds

620 MHz

Base Clock

-

715 MHz

Boost Clock

-

1000 MHz

Memory Clock

850 MHz

Memory

1024MB

Memory Size

1024MB

DDR3

Memory Type

GDDR3

64bit

Memory Bus

256bit

16.00GB/s

Bandwidth

54.40GB/s

Render Config

6

Compute Units

10

-

384

Shading Units

800

24

TMUs

40

8

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

256 KB

-

Theoretical Performance

5.720 GPixel/s

Pixel Rate

8.048 GPixel/s

17.16 GTexel/s

Texture Rate

20.12 GTexel/s

-

549.1 GFLOPS

FP32 (float)

804.8 GFLOPS

34.32 GFLOPS

FP64 (double)

161.0 GFLOPS

Board Design

Unknown

TDP

Unknown

-

Portable Device Dependent

Outputs

Portable Device Dependent

None

Power Connectors

-

Graphics Processor

Opal

GPU Name

M98

Opal PRO

GPU Variant

M98 L2 (216-0732019)

GCN 1.0

Architecture

TeraScale

TSMC

Foundry

TSMC

28 nm

Process Size

55 nm

0.95 billion

Transistors

0.956 billion

77 mm²

Die Size

256 mm²

Graphics Features

12 (11_1)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3

2.1 (1.2)

OpenCL

1.1

1.2.170

Vulkan

N/A

-

6.5 (5.1)

Shader Model

4.1

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