AMD · Radeon

AMD Radeon R7 M340

The AMD Radeon R7 M340 is a graphics card. It has 384 shading units, 4 GB of DDR3 memory on a 128-bit bus and a boost clock of 1.02 GHz. It scores 644 in the PassMark G3D benchmark. It supports DirectX 12 and OpenGL 4.4.

6/10 key specs recorded · 25 facts

Depth: 22 recorded fields, 2 features, 5 PassMark workloads

Specification data last verified July 27, 2026 against PassMark Videocard Benchmark and AMD.com Specifications. Coverage: 6 of 10 tracked specifications recorded.

PassMark Videocard Benchmark AMD.com Specifications PassMark Videocard Benchmark

Shading units

384cores

6 compute units

Memory

4 GB

DDR3 · 128-bit

Boost clock

1.02 GHz

Board power

n/a

Performance

The AMD Radeon R7 M340 scores 644 in the PassMark G3D benchmark, higher than 43.6% of the 2,658 GPUs benchmarked (PassMark rank #1,698), measured across 450 submitted results. Its PassMark G2D score is 150.

PassMark G3D Mark

644

Rank #1,698
Faster than 43.6% of 2,658 GPUs
450 samples

0relative to the fastest GPU on record (41,928)

PassMark workload tests

DirectX 9 9 fps

reference: fastest recorded 526 fps · faster than 17% of 1,675 GPUs

DirectX 10 2 fps

reference: fastest recorded 231 fps · faster than 11.9% of 1,602 GPUs

DirectX 11 5 fps

reference: fastest recorded 362 fps · faster than 12.8% of 1,430 GPUs

DirectX 12 6 fps

reference: fastest recorded 213 fps · faster than 18.8% of 1,274 GPUs

GPU Compute 410 ops/s

reference: fastest recorded 26,591 ops/s · faster than 21.6% of 1,447 GPUs

Averages of PassMark PerformanceTest submissions; frames/sec are PassMark test-scene rates, not game FPS. Tests PassMark does not report for this card are omitted. PassMark listing

In the PassMark workload tests the AMD Radeon R7 M340 averages DirectX 9 9 fps, DirectX 10 2 fps, DirectX 11 5 fps, DirectX 12 6 fps and GPU Compute 410 ops/s, across 450 submitted results. Frames per second are PassMark test-scene rates, not game frame rates.

Theoretical throughput

FP32 (single precision) 0.784 TFLOPS calculatedcalculated from shaders x boost clock (MHz) x 2 / 1e6 = 384 x 1021 x 2 / 1e6

FP32 (single precision) (0.784 TFLOPS) is calculated by Feex from stored specifications, not stated by AMD.

As stated by PassMark

Category Mobile

First benchmarked 2016-04-21

Samples 450

PassMark listing (collected 2026-10-01)

Shader configuration

Shading units 384

Compute units 6

Streaming multiprocessors Not recorded

Execution units Not recorded

Texture units (TMUs) Not recorded

Render output units (ROPs) Not recorded

Ray tracing cores Not recorded

Tensor / AI cores Not recorded

XMX engines Not recorded

Infinity cache Not recorded

The AMD Radeon R7 M340 has 384 shading units and 6 compute units.

The AMD Radeon R7 M340 does not use XMX engines; those are specific to Intel Arc graphics. Feex has no recorded ray tracing core count for the AMD Radeon R7 M340.

Clock speeds

Base clock Not recorded

Boost clock 1.02 GHz

Game clock Not recorded

Memory clock Not recorded

Effective memory clock Not recorded

The AMD Radeon R7 M340 boosts to 1.02 GHz.

Memory

Size 4 GB

Type DDR3

Bus width 128-bit

Bandwidth Not recorded

The AMD Radeon R7 M340 is equipped with 4 GB of DDR3 memory and uses a 128-bit memory bus.

Market

Launched Not recorded

Launch price Not recorded

Status Not recorded

Form factor Not recorded

Segment Desktop

Series Radeon

Benchmarks

PassMark G3D 644

PassMark G2D 150

Rank #1,698

Samples 450

Graphics and compute APIs

The AMD Radeon R7 M340 supports DirectX 12 and OpenGL 4.4.

DirectX 12

OpenGL 4.4

CUDA is an NVIDIA technology and does not apply to the AMD Radeon R7 M340. Feex has no recorded Vulkan version for the AMD Radeon R7 M340. Feex has no recorded OpenCL version for the AMD Radeon R7 M340.

Features

The AMD Radeon R7 M340 has 2 supported features recorded outside the media engine. A feature that no source mentions is shown as not listed, never as unsupported.

Platform

Supported: Radeon Dual Graphics

Support for pairing an AMD APU's integrated graphics with a compatible Radeon GPU.
Supported: Switchable graphics

Support for switching between integrated and dedicated graphics to balance power use and performance.

Not listed (2)

No source Feex holds states whether the AMD Radeon R7 M340 supports Resizable BAR and AMD SmartShift. That is silence, not a statement that they are unsupported.

The AMD Radeon R7 M340 supports Radeon Dual Graphics and Switchable graphics under Platform.

Naming and aliases

The AMD Radeon R7 M340 is also known by other names: PassMark also lists it as AMD Radeon (TM) R7 M340 and AMD Radeon (TM) R7 M340 (Engineering Sample - WDDM v2.0).

Other names (PassMark) AMD Radeon (TM) R7 M340; AMD Radeon (TM) R7 M340 (Engineering Sample - WDDM v2.0)

Frequently asked questions

How much VRAM does the AMD Radeon R7 M340 have?

The AMD Radeon R7 M340 has 4 GB of DDR3 memory on a 128-bit bus.

How fast is the AMD Radeon R7 M340?

The AMD Radeon R7 M340 scores 644 in the PassMark G3D benchmark, higher than 43.6% of the 2,658 GPUs benchmarked. Its PassMark rank is #1,698. In the PassMark DirectX 12 test it averages 6 fps.