AMD Radeon R7 350 640SP vs AMD Radeon R9 M385X

Table of Contents

Graphics Processor

GPU model Cape Verde Strato
GPU variant Cape Verde XT Strato XT
Architecture GCN 1.0 GCN 2.0
Foundry TSMC TSMC
Manufacturing process 28 nm 28 nm
Number of transistors 1,500 million 2,080 million
Die size 123 mm² 160 mm²

Graphics Card

Release date Jan 7th, 2019
Generation Pirate Islands
Predecessor Volcanic Islands
Successor Arctic Islands
Production End-of-life
Interface PCIe 3.0 x16

Clocks

GPU clock 925 MHz
Memory clock 1125 MHz 4.5 Gbps effective 1200 MHz 4.8 Gbps effective
Base clock 1000 MHz
Boost clock 1100 MHz

Memory Configuration

Memory size 2 GB 4 GB
Memory type GDDR5 GDDR5
Memory bus width 128 bit 128 bit
Bandwidth 72.00 GB/s 76.80 GB/s

Render Configuration

Shading units 640 896
TMUs 40 56
ROPs 16 16
Compute units 10 14
Cache L1 16 KB (per CU) 16 KB (per CU)
Cache L2 256 KB 256 KB

Performance

Pixel rate 14.80 GPixel/s 17.60 GPixel/s
Texture rate 37.00 GTexel/s 61.60 GTexel/s
FP32 (float) performance 1,184 GFLOPS 1.971 TFLOPS
FP64 (double) performance 74.00 GFLOPS (1:16) 123.2 GFLOPS (1:16)

Dimensions & Outputs

Slot width Single-slot
Length 168 mm 6.6 inches
TDP 55 W unknown
Suggested PSU 250 W
Outputs 1x DVI1x HDMI1x DisplayPort No outputs
Power connectors None

API Support & Features

DirectX 12 (11_1) 12 (12_0)
OpenGL 4.6 4.6
OpenCL 1.2 2.0
Vulkan 1.2 1.2
Shader model 5.1 6.3

Other Features

Mobile graphics

Release date May 5th, 2015
Generation Crystal System (R9 M300)
Production End-of-life
Interface PCIe 3.0 x16
Predecessor Solar System
Successor Mobility Radeon

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