AMD Radeon R9 M290X vs NVIDIA GeForce GTX 680M

Table of Contents

Graphics Processor

GPU model Neptune GK104
GPU variant Neptune XT (216-0847000) N13E-GTX-A2
Architecture GCN 1.0 Kepler
Foundry TSMC TSMC
Manufacturing process 28 nm 28 nm
Number of transistors 2,800 million 3,540 million
Die size 212 mm² 294 mm²

Mobile graphics

Release date Jan 9th, 2014 Jun 4th, 2012
Generation Crystal System (R9 M200) GeForce 600M
Production End-of-life End-of-life
Interface PCIe 3.0 x16 MXM-B (3.0)
Predecessor Solar System GeForce 500M
Successor Mobility Radeon GeForce 700M
Reviews 1 in our database

Clocks

Base clock 850 MHz 719 MHz
Boost clock 900 MHz 758 MHz
Memory clock 1200 MHz 4.8 Gbps effective 900 MHz 3.6 Gbps effective

Memory Configuration

Memory size 4 GB 4 GB
Memory type GDDR5 GDDR5
Memory bus width 256 bit 256 bit
Bandwidth 153.6 GB/s 115.2 GB/s

Render Configuration

Shading units 1280 1344
TMUs 80 112
ROPs 32 32
Compute units 20
Cache L1 16 KB (per CU) 16 KB (per SMX)
Cache L2 512 KB 512 KB
SMX count 7

Performance

Pixel rate 28.80 GPixel/s 21.22 GPixel/s
Texture rate 72.00 GTexel/s 84.90 GTexel/s
FP32 (float) performance 2.304 TFLOPS 2.038 TFLOPS
FP64 (double) performance 144.0 GFLOPS (1:16) 84.90 GFLOPS (1:24)

Dimensions & Outputs

Slot width MXM Module MXM Module
TDP 100 W 100 W
Outputs No outputs No outputs
Power connectors None None
Board number C608 P2051B

API Support & Features

DirectX 12 (11_1) 12 (11_0)
OpenGL 4.6 4.6
OpenCL 1.2 3.0
Vulkan 1.2 1.1
Shader model 5.1 5.1
CUDA 3.0

Other Features

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