AMD Radeon R7 240 OEM vs NVIDIA GeForce GT 820M

Table of Contents

Graphics Processor

GPU model Oland GF117
Architecture GCN 1.0 Fermi 2.0
Foundry TSMC TSMC
Manufacturing process 28 nm 28 nm
Number of transistors 950 million 585 million
Die size 77 mm² 116 mm²
GPU variant N15V-GM

Graphics Card

Release date Nov 1st, 2013
Generation Volcanic Islands
Production End-of-life
Interface PCIe 3.0 x8
Predecessor Sea Islands
Successor Pirate Islands

Clocks

Base clock 730 MHz
Boost clock 780 MHz
Memory clock 900 MHz 1800 Mbps effective 900 MHz 1800 Mbps effective
GPU clock 775 MHz
Shader clock 1550 MHz

Memory Configuration

Memory size 2 GB 1024 MB
Memory type DDR3 DDR3
Memory bus width 128 bit 64 bit
Bandwidth 28.80 GB/s 14.40 GB/s

Render Configuration

Shading units 320 96
TMUs 20 16
ROPs 8 8
Compute units 5
Cache L1 16 KB (per CU) 64 KB (per SM)
Cache L2 256 KB 128 KB
SM count 2

Performance

Pixel rate 6.240 GPixel/s 3.100 GPixel/s
Texture rate 15.60 GTexel/s 12.40 GTexel/s
FP32 (float) performance 499.2 GFLOPS 297.6 GFLOPS
FP64 (double) performance 31.20 GFLOPS (1:16) 24.80 GFLOPS (1:12)

Dimensions & Outputs

Slot width Single-slot
TDP 50 W 15 W
Suggested PSU 250 W
Outputs 1x DVI1x HDMI1x VGA No outputs
Power connectors None
Board number C552

API Support & Features

DirectX 12 (11_1) 12 (11_0)
OpenGL 4.6 4.6
OpenCL 1.2 1.1
Vulkan 1.2
Shader model 5.1 5.1
CUDA 2.1

Other Features

Mobile graphics

Release date Nov 27th, 2013
Generation GeForce 800M
Production End-of-life
Interface PCIe 2.0 x16
Predecessor GeForce 700M
Successor GeForce 900M

Compare

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